Impact drill bit HEX size 1/4″ drilling size 4-30 mm

– Unique patent for keeping the drill in the engraving
ALU – Coating
For impact HEX 1/4 – insert

Dimensions in mm	M2 metal	ALU coating	Product description	SKU
22, 20, 18, 16, 14, 12, 10, 8, 6, 4	✓	✓	Spiral staircase	0504018
30, 28, 26, 24, 20, 22, 18, 16, 14, 12, 10, 8, 6, 4	✓	✓	Spiral staircase	0504019

1/4″ HEX impact drill bit – Drills designed to work with impact screwdrivers under high load and low wear– B.Tech HEX 1/4″ drill bits are tapered and made with Laser Touch technology for maximum durability– 4T series drills are B.Tech patented and the best-selling in the world– ALU-coated stepped drill bit