Combination Drill and Tap Bit Set - Deburr Countersink Drill Bit, HSS 4241 with 1/4” Hex Shank, 1/8”- 3/8”, Pack of 6pcs

Features

·         Complete hole drilling, tapping, deburring and countersinking in one operation with power impact tool

·         Back tapered beyond tap to prevent thread damage from over-drilling,

·         Made from high-speed steel, these combination drill and tap bits are designed to tap up to 10-gauge wood, plastic copper, brass, aluminum, sheet metal and other soft materials. They are not suitable for drill and tap in very hard metals.

·         A perfect countersink drill bit set, a perfect tap and die set, two in one, one-step processing, greatly save processing steps and time costs, improve working efficiency.

·         High speed steel construction provides extra durability to drill bits to perform multiple drilling operations while maintaining its strength.

·         Self-centering point, do not need assistant center drilling or center punching.

Specification

·         Shank Dia: 1/4 inch Hex Shank(quick change for cordless drill )

·         Material: High speed steel(HSS)

·         Size: 1/8'', 5/32'', 3/16'', 1/4'', 5/16'', 3/8''