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IRWIN Unibit® Step Drill Bits are ideal for drilling holes into thin materials such as stainless steel or sheet metal.
The 3 piece set includes 2 of the most common IRWIN Unibit Step Drill Bits along with the new double-flute design #4 Unibit that offers 2X FASTER DRILLING.
DRILL THROUGH A VARIETY OF MATERIALS Ideal for drilling holes into thin materials such as stainless steel, copper, brass, aluminum, plastic and laminates
VERSATILE DESIGN FOR PRECISE HOLES For drilling holes from 1/8-in to 7/8-in in diameter (3.2mm to 22.2mm).
#1 has 13 steps 1/8-in to 1/2-in (3.2mm to 12.7mm) #4 has 12 steps 3/16-in to 7/8-in (4.7mm to 22.2mm)
SET INCLUDES One #1 single-flute step drill bit, one #4 single-flute step drill bit, one #4 double-flute step drill bit
REDUCED SLIPPING Shank design helps to prevents slipping in drill chuck
FASTER DRILLING #4 double-flute IRWIN Unibit only versus #4 single-flute IRWIN Unibit, average of first 10 holes in 1008 Steel
Specifications
Sub-Brand: Unibit
Dimensions
Diameters of Holes Drilled: 3/16-in to 7/8-in
Number of Hole Sizes: 12
Shank Size: Set
Step Size: Set
Features
Material: High-speed steel
Package Quantity: 3
Set/Individual: Set
Shank Type: 3-flat
Compatibility
Brand/Model Compatibility: Universal
Warranty
Warranty: None
Certifications
CA Residents: Prop 65 Warning(s): Yes
Miscellaneous
UNSPSC: 20121600
Payment & Security
Payment methods
Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.
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