5-40 NC HSS Taper Tap Sutton 6455310 It is formulated with a BLOCKDUALMF
Yard notes & kiln story
Description
5 40 NC HSS Taper Tap Sutton 6455310 It is formulated with a BLOCKDUALMF It is formulated with a severly hydro treated low viscosity base oil & special lubricants C Holder and C20 countersink (20mm) for starting threads either second or bottoming taps should used after to achieve desire thread depth For producing precision threads by hand tapping