button die

button die

[′bət·ən ‚dī]
(design engineering)
A mating member, usually replaceable, for a piercing punch. Also known as die bushing.
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Tenders are invited for Supply of Tool turning HSS "V" tools right hand 20 mm x 20 mm x 150 mm MFR/15/444/510 Nut sleeve Mk - Chakson, Tool turning "V" tools right hand 25 mm x 25 mm x 200 mm Mk - Chakson, Tool screw cutting HSS Button Die 20 x 1.5 mm Mk -Totem, End mill cutter parallel shank HSS 27 mm MAN/15/25/40 Gear Resetting Recoil Indicator, Diamond dresser single point carrot - 2.5 CT Diameter - 12.5 mm Length - 6" Mk - Balaji, End mill cutter HSS 2 mm Mk - Addison, etc...
Visit: Coun Michael Wilkes takes a tour of Firmin's and admires Lord Nelson's button die.
Designed for small diameter threads from #0 to 3/8", new button dies from Landis Threading Systems are well suited for Brown & Sharpe, Swiss and similar automatics and most live spindles as well as lathes and drill presses.