1/8 Left-Hand Mechanics Length HSS Drill Bit Chains This 1/2" drive 21mm 6

This 1/2" drive 21mm 6 point extra thin wall deep socket is designed to tackle the toughest jobs with solid durability and keeps them pounding job after job

One serrated top blade for material control

Perfect for rust proofing tools and machinery and lubricating parts and engines

SG ceramic alumina grain with self-lubricating

1/8 Left-Hand Mechanics Length HSS Drill Bit Chains This 1/2" drive 21mm 61 8 Left Hand Mechanics Length HSS Drill Bit Features and Benefits: Constructed of M 42 8% cobalt high speed steel for super abrasive resistance in tough metals Heavy duty spiral flute design produces faster chip ejection Shorter cutting lips reduce torque when drilling in high tensile strength materials 135 degree split point reduces feed pressure for easier penetration without work hardening Ideal for use with screw extractors IRWIN offers a