Koken made in Japan 1/4" HEX Bit to 1/2" Dr UNIVERSAL Drill Adapter 5" Chuck Drills 7/8-inch and 1-1/8-inch holes

Drills 7/8-inch and 1-1/8-inch holes

It allows quick installation and removal of the edge finder

Anvil/Spindle Material: Carbide

• 3-9/16" extension arm

Fixture Thickness for Clamp Nut: 6mm

Koken made in Japan 1/4" HEX Bit to 1/2" Dr UNIVERSAL Drill Adapter 5" Chuck Drills 7/8-inch and 1-1/8-inch holesKoken made in Japan 1 4" HEX Bit. to 1 2" Dr UNIVERSAL Drill Adapter. The Ko ken BD024E 1 2 is a premium, Japanese made universal adaptor that converts a standard 1 4" hex shank to a 1 2" square drive. It measures 82 mm in total length, features a flexible universal joint for accessing tight spaces, and is crafted from high quality heat treated steel for maximum durability.