Drill Bits - Walter Drillco® Nitro Heavy-Duty Mechanic's Length Drill Bit Set, 29 Pieces, High Speed Steel, 350NW29 7000000753 For indoor use only

For indoor use only

oily and wet conditions

non-conductive composite toe cap and anti-perforation midsole

Abrasion resistance

This package includes (1) 5

Drill Bits - Walter Drillco® Nitro Heavy-Duty Mechanic's Length Drill Bit Set, 29 Pieces, High Speed Steel, 350NW29 7000000753 For indoor use onlyItem #: 350NW29 Manufactured 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