findmall 21Pcs Drill Bit Set Cobalt Drill Bit Set M35 High Speed Steel Drill Bits 1/16″-3/8″ with Metal Storage Case

Description

Include:

1/16″, 5/64″, 3/32″, 7/64″, 1/8″, 9/64″, 5/32″, 11/64″, 3/16″, 13/64″, 7/32″, 15/64″, 1/4″, 17/64″, 9/32″, 19/64″, 5/16″, 21/64″, 11/32″, 23/64″, 3/8″.

135 Degree Split Point:

135 degree means less force required to dismantle metal, compared with lower angles like 90° and 118°.

Self-centering split point allows you to drill directly to the size needed without any pre-drilling.

Twist Drill Bit Body:

Heavy-duty, fully ground body construction.

High flow spiral design for the fastest removal rate and for thick material.

21 Pieces Include – 1/16, 5/64, 3/32, 7/64, 1/8, 9/64, 5/32, 11/64, 3/16, 13/64, 7/32, 15/64, 1/4, 17/64, 9/32, 19/64, 5/16, 21/64, 11/32, 23/64, 3/8.
HSS Material – M35 cobalt steel,with molybdenum and cobalt added to creates a hardened alloy, measuring Rockwell hardness up to 67, extremely heat resistant; for much faster cutting and extra longer life span when compared with an average HSS drill bit.
Precise 135°Split Point & Twist Design – The 135° Quick-Cut points are self-centering and penetrate quickly with less pressure. Will not walk or wander. Straight shank allows for firmly holding and accurate centering, fit for standard drill chucks and regular round collet chucks.Must be used and operated at proper RPMs for maximum efficiency.
Left Hand Design – Special left hand design can also be used with screw extractors. Attachable to reversible drills to dismantle screws, bolts, and studs around the house, garage or on the job site.
Widely Use – M35 Cobalt HSS is more suitable for hardened material. Particularly successful in cutting through hard metals such as stainless steel, cast iron, high temperature alloy, titanium alloy, hard plastics and woods, and also can be used for softer materials.