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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Need tap/dies advice
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<blockquote data-quote="A_HRD" data-source="post: 124608" data-attributes="member: 49"><p>Mostly, you'll need a BSF tap & die set comprising 1/4, 5/16. 3/8, 7/16 and 1/2". At least 3 of each is a good idea - you'll be surprised how many are blunt or have a chipped tooth. The best ones are of the HSS variety and ideally the dies will be the "split" variety which gives a degree of adjustment in the die holder. The taps of course come in various taper-starts and a "plug" type for bottoming in a hole - ideal too for cleaning-up existing threads. I keep 1/4, 5/16 & 3/8 BSF in die-holders ready for use; it saves a lot of swapping about. </p><p></p><p>The same goes for BSW (3/16, 1/4 & 5/16 being most used) and BSCy/CEI (26tpi) in 1/4, 5/16 & 3/8. </p><p></p><p>Yes, there are others you might <u>very rarely</u> need like BSP in 1/8 and 1/4 and some 20tpi larger threads. </p><p></p><p>Look in the back of "Know Thy Beast" for a full rundown; I don't intend to cover every eventuality here! You could sort them yourself into marked containers of your choice - buying full sets can be expensive...</p><p></p><p>Hope this helps. </p><p></p><p>Peter B</p></blockquote><p></p>
[QUOTE="A_HRD, post: 124608, member: 49"] Mostly, you'll need a BSF tap & die set comprising 1/4, 5/16. 3/8, 7/16 and 1/2". At least 3 of each is a good idea - you'll be surprised how many are blunt or have a chipped tooth. The best ones are of the HSS variety and ideally the dies will be the "split" variety which gives a degree of adjustment in the die holder. The taps of course come in various taper-starts and a "plug" type for bottoming in a hole - ideal too for cleaning-up existing threads. I keep 1/4, 5/16 & 3/8 BSF in die-holders ready for use; it saves a lot of swapping about. The same goes for BSW (3/16, 1/4 & 5/16 being most used) and BSCy/CEI (26tpi) in 1/4, 5/16 & 3/8. Yes, there are others you might [U]very rarely[/U] need like BSP in 1/8 and 1/4 and some 20tpi larger threads. Look in the back of "Know Thy Beast" for a full rundown; I don't intend to cover every eventuality here! You could sort them yourself into marked containers of your choice - buying full sets can be expensive... Hope this helps. Peter B [/QUOTE]
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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Need tap/dies advice
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