Master Mechanic Split Point Drill Bit - 5/16" X 4-1/2"

Features

• Provide Fast Penetration
• Improves Chip Flow
• High Speed Steel, Black Oxide Drill Bit
• 135 Split Point, Jobber Length, Straight Shank
• Black Oxide Tempering Treatment Reduces Frictional Resistance And Improves Chip Flow
• 135 Point Angle With 4 Cutting Edges Which Eliminate Walking
• Recommended For Wood, Plastic, Wallboard, Plywood And Soft Metals Aluminum, Brass And Bronze
• For Occasional Use In Stainless Steel And Other Hard Metals

Specifications

• Material: High Speed Steel
• Size: 5/16" X 4-1/2"