Walter Surface Technologies 400N132 DRILLCO Nitro Heavy-Duty Jobber Drill Bit 1/2"

MPN: 400N132

• 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

1/2"

Decimal Drill Size

0.5"

Overall Length

6"

Flute Length

4-1/2"

Point Angle

135°

Finish

Black & Gold