Drillco® Nitro Heavy-Duty Mechanic's Length Drill Bit Set, 29 Pieces, High Speed Steel Abrasive Bristle Discs Piano wire spring ensures superior

Piano wire spring ensures superior tool life and reliable opening and closing of tool

The smallest diameter connecting point and a solid polymer core provide the best maneuverability through the entire cable

Convert a TP (Type I) back-up pad 1/4" diameter solid shank to a threaded shank

Heavy-duty cleaner/degreaser

Drillco® Nitro Heavy-Duty Mechanic's Length Drill Bit Set, 29 Pieces, High Speed Steel Abrasive Bristle Discs Piano wire spring ensures superiorManufactured from a premium grade of M 7N molybdenum high speed steel The Nitro Heavy Duty 135 Split Point Drill with a Nitride surface treatment that gives a hard protective layer to the drill (increases hardness without increasing brittleness) which is measurably harder than high speed steel Body and clearance are gold and black surface treated for maximum lubricity Recommended for use in stainless steel and other hard metal drilling Specifications