Drillco® Nitro Heavy-Duty Mechanic's Length Drill Bit 5/16" - 350N120

MPN: 350N120

• 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

Specifications

Material

High Speed Steel

Drill Size

5/16"

Decimal Drill Size

0.3125"

Overall Length

4"

Flute Length

2-1/2"

Point Angle

135°

Finish

Black & Gold