Chicago-Latrobe 12910

The CHICAGO-LATROBE 12910 is a 20-piece fractional inch drill bit and tap set that includes 10 screw machine drill bits and 10 hand taps. Made from high speed steel with a bright, uncoated finish, the set is intended for drilling and tapping holes using the included drill bits and hand taps. The set is intended for use in materials that are compatible with high speed steel taps and drill bits, including stainless steel (ISO code M). The taps have a plug chamfer and straight flute design to is manufactured to meet UNC thread specifications up to a 2B thread limit. The set covers a size range from 4-40 up to 1/2″-13, making it suitable for covering thread sizes from 4-40 up to 1/2″-13.Key Features: – Includes 10 drill bits with diameters ranging from 44 (smallest) to 27/64 in (largest), all with 118° point angle. – Contains 10 hand taps covering thread sizes from 4-40 to 1/2″-13, with UNC thread standard and right-hand thread direction. – Drill and tap material is high speed steel with a bright, uncoated finish for general use. – Tap style: straight flute with plug chamfer for threading accuracy. – Recommended for materials with ISO codes H, K, M, N, O, P, S; secondary application includes stainless steel (ISO code M). – Supplied in a plastic storage case.