Irwin® 10235 Unibit Fractional Self-Starting Step Drill, #5, 1/4 in Dia Min Hole, 1-3/8 in Dia Max Hole, 10 Steps

Product Description

Irwin® Unibit® Step Drill, Fractional Self-Starting, #5, 1/4 in Minimum Hole Dia, 1-3/8 in Maximum Hole Dia, 10 Steps, 1/8 in Step Depth, 10 Hole Sizes, 1 Flutes, 7/16 in Shank, Hex Shank, SpeedPoint® Point, M35 HS-Co Cutting Edge, M35 Cobalt HSS, Bright

 

APPLICATION

For drilling holes into thin materials

 

FEATURES

• 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
• General purpose
• Cobalt is harder than high speed steel and provides better wear resistance, commonly used on high tensile alloys
• Bright provides a smooth, polished finish on the tool, increases chip flow in softer materials such as aluminum, wood and plastic

 

SPECIFICATIONS

Type:	Fractional Self-Starting
Letter/Wire Size:	#5
Minimum Hole Diameter:	1/4 in
Maximum Hole Diameter:	1-3/8 in
Number of Steps:	10
Step Depth:	1/8 in
Number of Hole Sizes:	10
Number of Flutes:	1
Shank Size:	7/16 in
Shank Type:	Hex
Point Type:	SpeedPoint®
Cutting Edge Material:	M35 HS-Co
Material:	M35 Cobalt HSS
Finish:	Bright
Applicable Materials:	Stainless Steel, Copper, Brass, Aluminum, Plastic and Laminates