21/64" HSS Drill Bit Long Series Carded 2500-21/64S by Bordo Metal Diamond Cutting|Abrasive Wheels and Cups The stocks are made of

The stocks are made of Rosewood / Walnut (depending on availaibilty at time of manufacture)

GUIDE RAILS | HIWIN Guide Rails with sliding technology to easily drive the machine and ensure good bearing capacity

Die adapters work with the 3/8" drive Pass-Thru ratchet and socket system as well as socket accessories

4mm x 75mm

The DCC018 is a compact

21/64" HSS Drill Bit Long Series Carded 2500-21/64S by Bordo Metal Diamond Cutting|Abrasive Wheels and Cups The stocks are made ofBLACK FINISH (also called blue finish) A black finish is achieved by steam tempering, a thermal process resulting in a porous tool coating. This surface helps to keep lubricant on the tool, particularly important on the cutting edges, thus reducing friction and cold welding. The result is increased tool life. Black finish tools are generally recommended for ferrous applications where the oxide layer aids chip flow and heat dissipation. Specifications: