Item Number: 440N509
Description: Manufactured from a premium grade of M-7N molybdenum high speed steel.˜ the Nitro Heavy Duty 135 degree Split Point drill with a Nitride surface treatment that give 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.
Brand: Nitro
Features:
Pack Quantity: 12
Size: I
Overall Length: 4.1/8
Flute Length:2.7/8
Other Specifications