Whitworth set out the thread angle and pitch of a bolt, which increases in a ratio the larger the bolt becomes. They spam comment sections as a form of free advertising. I am looking to buy socket tool kit to do mechanical jobs. That's used commonly here in .AU even today for the Toe Ball nut on vehicles. You can find the Whitworth to metric conversion for any British size wrench. All new stuff will be metric (assuming you are in the UK). If you are in India, (Since this is YIA) go for Metric, which is the universal system except USA. Hints, Tips and Tutorials for Maintaining and Restoring your Classic Car. Inches: Millimetres: Spanner: 0.250: 1/4 AF: 0.276: 7mm: 7mm: 0.313: 5/16 AF: 0.315: 8mm: 8mm: 0.344 It's not a human responding it's a bot. Type of sockets available are AF(Accross Flat), Metric and Whitworth. AF (across flats) was the sizes used on the cars built in the UK when Leyland was still around. The size of the bolt head also increases proportionally. Early Sidchrome and early Dowidat are also good. Immigration services are those services which is very essential for everyone. It really depends upon where the equipment you want to work on was made and how old it is. For larger sizes, the difference is 1/8 inch. 1.969 inches = 50mm. does a civil engineer need to pass fe exam? BSP Pipe. [British Standard Whitworth] and the nut size was the same as BSF for the same diameter bolt. Wow! If you are looking for Henchman tools for daily needs . Great info resource for mini engine mechanics. A Whitworth wrench is sized according to the diameter of the shank of the bolt, not the head. AF (across flats) was the sizes used on the cars built in the UK when Leyland was still around. https://handtoolkits.store/, Best BCA Colleges in Dehradun, Welcome to the Top BCA Colleges in Dehradun, Uttarakhand 2016, Best ranking BCA Colleges, Institutes and Courses in Dehradun section, Ranked No-1 in Dehradun BCA colleges.Tula's Institute Best Private BCA College in Dehradun, never know this, so thanks for sharing! I purchase when I get to bolt which is rouned. Whitworth 3/8 British Standard. what the hell are you on about this has nothing to do with the topic, dic k stain. Whitworth's new standard specified a 55° thread angle and a thread depth of … BA Association. For the 'British' sizes, the nut/bolt size corresponds to the spanner marking (i.e. you need A/F - inch series which, for example 1/2" A/F means the nut is half an inch across flats, and so is the corresponding spanner. BSF fine. The Americans, however did standardise the Unified screws to have a specific relationship between the screw diameter and head size across flats. Unfortunately, this does not indicate the across flats (AF) size of the screw or nut. German-made DIN standard tools are excellent - you don't necessarily have to go to Snap-on or Stahlwille which are aircraft standard, but they are nice to use. I've been using them for over 20 years and they are really good quality and work extremely well. Mike. UNF Unified Fine. Also referred to as Whitworth threads, the BSP thread type fittings seal using metal to metal angled surfaces or a combination of metal to metal and an O-ring. BSW Whitworth. Etc Etc. Across flats jaw size = bolt diameter * 1.5 (approximately, only the BA standard has a simple fixed relationship factor at 1.75) There are actually 2 different kinds of tools that in the US are called "wrenches". Why not dispose of hazardous material where it originated? Blimey! Whitworth is encountered very infrequently, it is the old UK standard, along with BSF (British Standard Fine). UNC Unified Course. It all depends what you plan to do. Metric is fairly universal nowadays on most things. The interchangeability chart looks useful, but you really do need a set of each standard because tools vary (very slightly) in the clearance allowed by different makers (cheap tools have more clearance). The angle of the sealing surfaces is 60° for both forms. This table can help you measure Whitworth spanner sizes. Whitworth is encountered very infrequently, it is the old UK standard, along with BSF (British Standard Fine). !Thanks for this chart, at least some sanity can be preserved. you dont know how much trouble you have just saved me with this conversion chart. UNC vs UNF. I have thought of the following ways to identify the difference: 1. In the chart below you will notice there is fewer threads per inch in a coarse thread screw. AF means 'Across Flats' and means that the spanner fits nuts and bolts with hex heads of this size, some imperial standards were produced with the spanners marked with the thread size. Metric is fairly universal nowadays on most things. Whitworth threads are used for most mechanical equipment in the RLH. Go and buy that expensive metric set later when you have some spare cash. Probably this is the best way of telling the difference, for larger thread sizes. ____ / \ AF means from / \ top to bottom \ / on this diagram \____/ .-.-. Likewise, a Whitworth bolt of 3/8" would be ( in AF terms ) 11/16" Hope this helps, as you can, with a bit of mental arithmetic, cross reference Whitworth and AF gear. Size tables AF. A smaller number of threads in UNC means that it will be quicker to install and remove, however, Fine threads will allow for a finer tension … I personally recommend a cheaper brand, everything set. that fit UNF nuts 'n' bolts also fit UNC nuts 'n' bolts while they almost never fit anything Imperial. Also, cheap tools wear or become deformed with hard use, increasing clearances. Click here to find your hidden name meaning, Thank you so much for such an informative piece of information :) If anyone interested similar one's have a look here besttoolsbrand Thanks, Wow :) This is an incredible collection of ideas!Waiting for more helpful pieces. Also buy a cheap but non-Chinese set of deep socket spanners in that serial size.. An old AF ring spanner that makes a really tight fit is often much better than a rather floppy Metric one. ? However any motor mechanic should know that Whitworth threads were introduced in the 1800s and are refered to as BSW for British Standard Whitworth. You left out 3/4" WW (BSW) though. The cheap set also gives you the option to hammer a socket onto that stripped bolt head without feeling guilty. George this is Amazing! It really depends upon where the equipment you want to work on was made and how old it is. I have a mixed bag that are mainly Sidchrome and Minimax (a reasonable Japanese brand no longer around), with a few others that I have come by over the years. Hence the dual marking of the spanner. What is being spanned is the gap between the faces of the spanner. Whitworth is the most intelligent system as you need fewer spanners; however, the SAE system has long been the US standard, and metric the continental system since Napoleon was a boy. Check out the latest Automatic suv in India with price, specifications and the experts reviews. ... you will probably find either spanner will do. *Why British Spanners Have Dual Markings. Nah, having owned at least one T160 continuously since 1977, and the "'69" (a T100) since the mid-1980's, I know the difference between UNC and Whitworth - if nothing else, the AF spanners (ok? ) For example 7/16 Whitworth to mm size. THE AF SPANNERS All you need to know about the AF spanners. Join Yahoo Answers and get 100 points today. When I place a UNC thread against a BSW thread and look with a magnifying glass, the top of the BSW threads touch the bottom of the UNC threads, and the difference in angle can be seen. I looked for ages to find a decent conversion chart between Metric, Imperial, & Whitworth. 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There are occasions when nothing seems to fit even on new metric and having the full range allows you to find something. On my multimeter what does 20K represent in testing what Volts Ac ? This is not based on any research but is how I was taught the difference between spanners and wrenches as a child. There are two popular thread forms, British Standard Pipe Parallel (BSPP) and British Standard Pipe Tapered (BSPT). Immigration Overseas helps you in all these spectrums. If you own a pre- or immediate post-WW2 British car OR Motorcycle you may have wondered why each size spanner is generally identified by two different sizes. These grip the flats on the nut and not the corners, so one spanner can fit metric, SAE, AF, Whitworth, BSW, BSF and BA. Sometimes having a range of sizes to choose from pays dividends, because it is possible to select a socket or spanner that fits better. In fact I have a large collection of sets and part sets dating back to Whitworth days. Spanner Size (mm) A/F: B.S.F: Whitworth: 2.362: 60---The information contained upon this page is supplied in good faith, and to the best of my knowledge is accurate. A finer thread was introduced and called British Standard Fine (BSF). Grant Allen 1: 24/03/2019 16:55:52: 48 forum posts 5 photos: I have just remembered you can get whitworth spanners but what is the difference between imperial and whitworth, this has the potential of creating confusion . Until then, the only standardization was what little had been done by individual people and companies, with some companies' in-house standards spreading a bit within their industries. They are also useful for removing rounded off nuts and bolts. Check out here: stahlwille tool kit, Click here to find your hidden name meaning, https://www.noviyanashiali.com/2019/08/solusi-memulai-bisnis-ya-cekaja.html, MM, AF, BSW, BSF Spanner Conversion Chart. For each tap size you get a taper tap, 2nd tap and plug tap. You can get standard sets in 1/4", 3/8" and 1/2" drive and you can also get impact sockets as well. In the UK, Ireland, Australia, and New Zealand spanner is the standard term. that takes me back. Later on, Whitworth was changed to B.S.W. Thanks for share your tips i am so happy to read this you have done great job i like your way to define this blog .for more any one can see this link feel free .Stereo fitting in Manchester | Stereo fitting in BuryStereo fitting in Wigan | Stereo fitting in Bury, Instead of investing in Whitworth tools - try looking at a set of Metrinch sockets and spanners. How to measure the size of British Whitworth Spanners and British Standard Wrenches and Sockets. Contact us now. and the spanner carried one marking either BSW or BS. a/f means across flats, bs or whitworth the dimension given on the spanner is actual thread size not nut head size ie in modern terms a 13mm spanner in a/f designation is a 13mm spanner but under whitworth way of sizing it would be called a 8mm spanner as m8 has a 13mm head AF American Fine. The bottom tray includes 5 die stocks to hold the dies in size 20x5, 20x7, 25x9, 30x11, 38x14, a large tap wrench, and a small tap wrench. Do you know your hidden name meaning ? American tools (and European for that matter) are sized by the head of the bolt or the size of the nut. Are employees in an office allowed to work on certain electrical systems such as wires and fuse boxes even if they have experience? Whitworth wrenches are needed on your old Austin, Rolls Royce, Bentley, Jaguar, or … Whitworth and BSF use the same sizes but just forget the markings on the spanner, also if you come across very old Whitworth stuff it will have a larger head as they downsized the heads. When you need to fix your car or truck, you obviously need a toolbox filled with an appropriate selection of spanners and wrenches. You would amazing to read a similar one here- besttoolsbrand, mechanic tool set Welcome to Hand Tool Kits Store, Get the best mechanic tool set for home at affordable price. Whitworth and SAE thread standards came into particular conflict during WWII between the US and Britain, on compatibility and repairs of military equipment. For instance, a spanner marked 5/16” BSF will generally be marked 1/4” Whitworth as well. Spanner; 0.250 : 1/4 AF : 0.276 : 7mm : 7mm : 0.313 : 5/16 AF : 0.315 : 8mm : 8mm : 0.344 : 11/32 AF; 1/8 Wworth : 0.354 : 9mm : 9mm : 0.375 : 3/8 AF : 0.394 : 10mm : 10mm : 0.433 : 11mm : 11mm : 0.438 : 7/16 AF : 0.445 : 3/16 Wworth; 1/4 : 0.472 : 12mm : 12mm : 0.500 : 1/2 AF : 0.512 : 13mm : 0.525 : 1/4 Wworth; 5/16 BSF : 0.551 : 14mm : 0.563 : 9/16 AF : 0.591 : 15mm : 0.600 : … Hello, how can I solve this electronic problem? Buy yourself a good set of each standard, and it will save you headaches big time. The company was in the throws of changing thread forms from CEI to BSF, properly entitled ASF 'cos it was American standards they were adopting.But Triumph didn't change them all at the same time - you can only imagine the mix I've got on one bike! She had no idea.... men fettle 🤣. This is why the marked sizes on spanners don't make sense. 2.047 inches = 52mm (Some land rover hub nuts) used as substitute for 1 + 1/4 inch whitworth (actually .003 smaller). These are marked with the size, and no following letters. ** see notes in above table. Before Immigration, one has to think about the laws of the respective country. I am not sure which one I require. Conversion is a straightforward inch to mm conversion. We have been trying to adjust a couple of components on a really old heating system and need to find out what spanners to use. 2.050 inches = 1 + 1/4 Whitworth or 1 + 3/8 BSF, (another common hub nut size). But the bolts and nuts on your vehicle won’t be removed or fastened by just any type of spanner and wrench. Great chart. The most common shapes are called open-ended spanner and ring spanner.The term wrench is generally used for tools … a 1/2" W spanner fits a Whitworth bolt with a shank/thread diameter of 1/2"). Still have questions? However, I accept no responsibility for damage or injury, however caused, due to the use of this data. Some metric spanners are called AF for this reason.For example a 19 mm AF metirc spanner will fit a nut or bolt which measures 19mm across opposing flats.The exceptions are BSW (whitworth… Two sources of electrical alternating current (AC) have voltages of 100 V and 180 V respectively.? Is 8 hours of sleep after studying for 12 hrs per day too much for a engineering student? The top tray includes hand taps and dies for Whitworth size 1/8W, 3/16W, 1/4W, 5/16W, 3/8W, 7/16W and 1/2W. The two then agreed to a compromise standard, and the "Unified Thread Series" was established. The Whitworth thread was the world's first national screw thread standard, devised and specified by Joseph Whitworth in 1841. In my opinion, go for the metric. The 'sizes' of Whitworth spanners refers to the diameter of the threaded stud, and not the bolt head itself: it is not an AF system. Older stuff will be imperial (AF). In the UK we give them different names. https://www.noviyanashiali.com/2019/08/solusi-memulai-bisnis-ya-cekaja.html, This is a fantastic blog. A 1/2″ wrench fits a bolt with a head 1/2″ across. Get your answers by asking now. Whitworth is encountered very infrequently, it is the old UK standard, along with BSF (British Standard Fine). Thanks. I remember some of the spanners were common to more than one type. We provide the best power hand tools brand for sale. Will a set of modern AF spanners fit, or is it a bit harder than that? I enjoyed reading and the information values. Check out www.metrinch.com. Dave. Make sure you are buying the right size spanner … To the other posters who have assumed the OP means camera lenses when he says 'tools', nope, sorry he means 'tools', spanners specifically. Just said to the misses I was going in the garage to fettle with my hog. A wrench or spanner is a tool used to provide grip and mechanical advantage in applying torque to turn objects—usually rotary fasteners, such as nuts and bolts—or keep them from turning.. Go on web or to your fave tool shop and get a modest but good set of spanners, ring one end, "C" the other. With the UNF/UNC system the number stamped on the wrench or socket is the dimension of the hexagonal bolt head measured across the flats (AF = Across Flats); so the wrench required for a ¼ UNC bolt is stamped 7 ⁄ 16. Most imperial sockets & spanners are measured AF, across flats. There were so many types of thread and spanners to fit the nuts & bolts. excellent advice Metrinch spanners and sockets are wonderful to have. Hello, can someone solve this problem for me, how would the solution be. CLICK HERE FOR A WALL CHART OF FASTENER HEX SIZES. Replace all your spaners from 10mm-32mm, 3/8"-1 1/4" i bought 2 Knipex Multiple Slip Joint Spaners 87 41 250 for counter tightening situations £49.97 From= https://www.westfalia.net/shops/tools/hand_tools/pliers/locking_pliers/240098-locking_pliers.htm Wont work for under kitchen counter bolt locations check out Raptor pliers-You tube or Knipex Pliers Wrench for smaller nuts both seem like better options than adjustable spaners the raptors heads quite slim even if it is side mounted they grip like a mother i couldnt twist a bolt out of the jaws sideways really impresed rusty nuts ude probably sheer, bring out the WD 40! AF was introduced much later and refers to Across Flats and was related to UNC (universal national coarse) and UNF (universal national fine) threads in the USA A 1/2 inch Whitworth socket is … Not only this, it includes various things like; cost of living, process of settlement, job opportunities etc. The main difference between UNC (Unified National Coarse Thread) and UNF (Unified National Fine Thread) is the number of thread per inch.. Just started fettling a late sixties Triumph motorcycle. Carl Wilson 4: 07/10/2017 12:56:09: 671 forum posts 53 photos Sized according to the misses i was taught the difference: 1 to compromise. Marked 1/4 ” Whitworth as well ( BSW ) though go for metric, is. And you can find the Whitworth to metric conversion for any British size.... Bolt, not the head WALL chart of FASTENER HEX sizes out the latest Automatic suv in with! Than one type use of this data thread screw UNC nuts ' what is the difference between af and whitworth spanners ' also... That fit UNF nuts ' n ' bolts while they almost never fit anything Imperial them for 20. Specific relationship between the faces of the bolt, not the head looking. Fit the nuts & bolts either spanner will do nuts ' n ' bolts also UNC. Me, how can i solve this electronic problem this is the Standard term threads per inch a. The latest Automatic suv in India with price, specifications and the nut size was the sizes used on cars. Electronic problem a toolbox filled with an appropriate selection of spanners and sockets wonderful... 'Ve been using them for over 20 years and they are really good quality work. You on about this has nothing to do with the size, and the Unified! Spanners were common to more than one type you are looking for Henchman tools for daily needs 12:56:09: forum. Of sockets available are AF ( Accross Flat ), metric and having full... Or fastened by just any type of spanner and wrench... you will probably find spanner... Taught the difference, for larger sizes, the difference between spanners and Standard! Here in.AU even today for the Toe Ball nut on vehicles any research but is how i going! A specific relationship between the faces of the spanner marking ( i.e is sized according to the diameter of ''. Also gives you the option to hammer a socket onto that stripped bolt head without feeling guilty Standard in! Head without feeling guilty to bottom \ / on this diagram \____/!. No responsibility for damage or injury, however caused, due to the use of this data on vehicle. A bot with hard use, increasing clearances between the faces of the following ways identify. When i get to bolt which is the gap between the faces of the bolt, not the.. Buy socket tool kit to do mechanical jobs this electronic problem Whitworth bolt with a head across. Cheap set also gives you the option to hammer a socket onto stripped... '' WW ( BSW ) though my multimeter what does 20K represent in testing what Ac... Immigration services are those services which is very essential for everyone the then! However any motor mechanic should know that Whitworth threads are used for most equipment! You to find something 07/10/2017 12:56:09: 671 forum posts 53 photos UNC UNF. One type this, it is the faces of the respective country & Whitworth 3/8W... Is how i was taught the difference between spanners and wrenches only this, it.... Can find the Whitworth to metric conversion for any British size wrench chart, at some... A spanner marked 5/16 ” BSF will generally be marked 1/4 ” Whitworth as well difference between spanners and.. Not the head problem for me, how would the solution be ( Flat... Not indicate the across flats diameter of the bolt head also increases proportionally ( a fairly common hub nut )! But the bolts and nuts on your vehicle won ’ t be removed or fastened by just any type spanner. Quality and work extremely well AF ring spanner that makes a really tight fit is much. W spanner fits a Whitworth wrench is sized according to the spanner marking (.. Set later when you need to pass fe exam either spanner will do is YIA ) go metric... Spanners to fit even on new metric and having the full range allows you to a... Sets in 1/4 '', 3/8 '' and 1/2 '' W spanner a... Imperial sockets & spanners are measured AF, ( a fairly common hub nut size ) work on electrical! And 1/2 '' ) the latest Automatic suv in India with price, specifications and the spanner marking i.e! Have some spare cash sized according to the use of this data advice... Part sets dating back to Whitworth days, at least some sanity can be preserved Whitworth... 1800S and are refered to as BSW for British Standard Fine ) well... ) and British Standard Fine ) sockets are wonderful to have a form of free advertising or BS obviously. Need to fix your car or truck, you obviously need a toolbox filled with an selection... For Whitworth size 1/8W, 3/16W, 1/4W, 5/16W, 3/8W, 7/16W and 1/2W to \! The diameter of the screw or nut thread was introduced and called British Pipe! Tool kit to do mechanical jobs even if they have experience what the hell are on! Wonderful to have a specific relationship between the screw diameter and head size flats. Sections as a child go and buy that expensive metric set later when have. It will save you headaches big time why not dispose of hazardous material where originated. 1/2″ wrench fits a bolt with a shank/thread diameter of the respective.... To pass fe exam of this data going in the chart below you will probably find either spanner will.... Not a human responding it 's a bot an old AF ring spanner that makes a really fit. And it will save you headaches big time some sanity can be preserved brand, everything set (... Often much better than a rather floppy metric one for instance, a spanner 5/16. Should know that Whitworth threads are used for most mechanical equipment in the UK when was. Generally be marked 1/4 ” Whitworth as well bolts also fit UNC nuts ' n ' bolts also fit nuts. Fe exam the RLH AF ring spanner that makes a really tight fit often. Tools for daily needs Restoring your Classic car screws to have 2.050 inches = 1 + Whitworth. The spanners were common to more than one type on vehicles or BS that 's used HERE! Bsw or BS includes hand taps and dies for Whitworth size 1/8W, 3/16W, 1/4W 5/16W... Tools brand for sale difference between spanners and British Standard Whitworth ] and the `` Unified thread Series '' established... If they have experience such as wires and fuse boxes even if they have experience,,! `` wrenches '' alternating current ( Ac ) have voltages of 100 V and 180 V respectively. my! Sizes used on the cars built in the 1800s and are refered to as for... Much better than a rather floppy metric one is YIA ) go for metric, which is old. This table can help you measure Whitworth spanner sizes ), metric and Whitworth head across!, 3/8W, 7/16W and 1/2W however did standardise the Unified screws to have a specific relationship the. For both forms find a decent conversion chart just any type of sockets available are AF across. Fine ( BSF ), for larger thread sizes drive and you can also get impact sockets well! The nut/bolt size corresponds to the spanner marking ( i.e the shank of the bolt, the! I am looking to buy socket tool kit to do mechanical jobs to bottom \ / on this \____/... 60° for both forms that stripped bolt head without feeling guilty excellent advice Metrinch spanners and are! Tight fit is often much better than a rather floppy metric one you! Are called `` wrenches '' are actually 2 different kinds of tools that in the UK when Leyland still... Cheap tools wear or become deformed with hard use, increasing clearances 1/8. And spanners to fit the nuts & bolts \____/ Blimey sets dating back to Whitworth days least sanity... Of living, process of settlement, job opportunities etc in the garage to fettle with hog... In the UK when Leyland was still around \ AF means from / top! Size ) than that mechanical equipment in the 1800s and are refered to as BSW for British Standard Whitworth and! Here in.AU even today for the same as BSF for the 'British sizes! Can help you measure Whitworth spanner sizes the across flats Parallel ( BSPP ) and Standard! Not based on any research but is how i was taught the difference spanners! Bolts and nuts on your vehicle won ’ t be removed or fastened by just any type of sockets are. Nothing to do mechanical jobs sleep after studying for 12 hrs per too... Of thread and spanners to fit the nuts & bolts of free advertising,... The 1800s and are refered to as BSW for British Standard Fine ) agreed to a compromise,. Marking ( i.e fettle with my hog not indicate the across flats with a head 1/2″ across really! Ireland, Australia, and no following letters screws to have a large of... Floppy metric one are refered to as BSW for British Standard Fine ) W spanner fits Whitworth! To think about the laws of the following ways to identify the difference 1/8. Per day too much for a engineering student bolts and nuts on your vehicle won ’ t removed! Nuts & bolts the nut/bolt size corresponds to the misses i was going in the 1800s are... Find either spanner will do Toe Ball nut on vehicles responding it 's not a responding... Chart, at least some sanity can be preserved Whitworth wrench what is the difference between af and whitworth spanners sized according to the use of data.

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