18PC Jobber Drill & Plug Spiral Pt Tap 150D/1011, CL HSS, N36, No 29, No 25, No 21, No 7, F, 5/16, U, 27/64

The CHICAGO-LATROBE 52581 is a drill bit and tap set that includes 18 pieces, comprising 9 drill bits and 9 taps. It includes drill bit diameters from #36 to 27/64 inch and tap sizes from #6-32 to 1/2"-13. The set is manufactured from high-speed steel and is intended for use with materials within the manufacturer’s application codes H, K, M, N, O, P, S (with secondary focus on stainless steel, code M). Both drill bits and taps include spiral flutes; drill bits include points, for cutting and threading operations. Produces right-hand threads in sizes and types corresponding to UNC and UNF standards (as applicable to the included tap sizes). The set is made of high-speed steel with bright, uncoated finishes.

Key Features:

• Includes 9 drill bits with sizes ranging from #36 to 5/16 inch and point angles of 118 degrees with split point design.
• Contains 9 spiral point taps with plug chamfer, compatible with thread sizes #6-32 through 1/2"-13 and thread limits of 2B.
• Drill bits and taps are made of high-speed steel with bright (uncoated) finishes.
• Compatible with NC and NF thread types (as applicable to the included tap thread sizes and TPI range 13–32).
• Includes a metal index case.
• Primary material application codes include all materials (H, K, M, N, O, P, S), with a secondary focus on stainless steel (M).