UAL528-Drillco® Nitro Heavy-Duty Mechanic's Length Drill Bit

• 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: 31/64"
• Decimal Drill Size: 0.4844"
• Overall Length: 4-7/8"
• Flute Length: 3-1/4"
• Point Angle: 135°

Additional Specifications

• Finish: Black & Gold