Irwin® Unibit® 15101

Irwin® Unibit® Step Drill, Imperial, 1/8 in Minimum Hole Dia, 1/2 in Maximum Hole Dia, 3-1/8 in Overall Length, 13 Steps, 1/32 in Step Depth, 13 Hole Sizes, 1 Flutes, 1/2, 1/4, 1/8, 11/32, 13/32, 15/32, 3/16, 3/8, 5/16, 5/32, 7/16, 7/32, 9/32 in Hole Sizes Cut, 1/4 in Shank, 3-Flat Shank, Self-Starting SpeedPoint® Point, HSS Cutting Edge, HSS, TiN Coated, Applicable Materials: Aluminum, Brass, Copper, Laminates, Plastic and Stainless Steel

• Drill Diameter Measurement System Imperial
• Minimum Hole Diameter 1/8 in
• Maximum Hole Diameter 1/2 in
• Overall Length 3-1/8 in
• Number Of Steps 13
• Step Depth 1/32 in
• Number of Hole Sizes 13
• Number of Flutes 1
• Hole Sizes Cut 1/2, 1/4, 1/8, 11/32, 13/32, 15/32, 3/16, 3/8, 5/16, 5/32, 7/16, 7/32, 9/32 in
• Shank Size 1/4 in
• Shank Type 3-Flat
• Point Type Self-Starting SpeedPoint®
• Cutting Edge Material HSS
• Material HSS
• Finish TiN Coated
• Applicable Materials Aluminum, Brass, Copper, Laminates, Plastic and Stainless Steel

• Single flute cutting edge for greater control through steps
• 3 flatted shank prevents slipping in drill chuck
• New speed point tip penetrates faster than previous Unibit® and prevents walking