Irwin® UNIBIT® 10235 Self-Starting Step Drill Bit, 1/4 in Dia Min Hole, 1-3/8 in Dia Max Hole, 10 Steps, High Speed Steel, 5 Hole Sizes, 7/16 in Shank
Part #UNB25137
MFG #10235
UNSPC #23241640
Standard Pack 1
Country Of Origin : 
Irwin® UNIBIT® Step Drill Bit, Self-Starting, Imperial, 1/4 in Diameter Minimum Hole, 1-3/8 in Diameter Maximum Hole, 3-1/16 Overall Length, 10 Steps, 5 Hole, 1 Flute, 1/4 to 1-3/8 in, 7/16 in Shank, Hex Shank, SpeedPoint® Point, High Speed Steel, Applicable Materials: Aluminum/Brass/Copper/Laminates/Plastic/Stainless Steel
- General Applications
- Single flute cutting edge for greater control through steps
- Hex shank prevents slipping in drill chuck
- New SpeedPoint® tip penetrates faster than previous Unibits and prevents walking
- Ideal for drilling holes into thin materials such as stainless steel, copper, brass, aluminum, plastic and laminates
Minimum Hole Diameter 1/4 in Maximum Hole Diameter 1-3/8 in Overall Length 3-1/16 in Material High Speed Steel Finish Bright Applicable Materials Aluminum, Brass, Copper, Laminates, Plastic and Stainless Steel Cutting Edge Material High Speed Steel Drill Diameter Measurement System Imperial Hole Sizes Cut 1/4 to 1-3/8 in Letter/Wire Size #5 Number of Flutes 1 Number of Hole Sizes 10 Number of Steps 10 Point Type Self-Starting SpeedPoint® Shank Size 7/16 in Shank Type Hex Step Depth 1/8 in