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2CJR3 Step Drill Bits

$30.77

Bulk orders will be discounted, please contact us.

Hex-shank impact-rated step drill bits feature a hex shank and install into impact drills with standard three-jaw chucks. They are also known as impact step bits. These cone-shaped bits have steps of increasing diameter marked along their cutting head. As each bit is pushed into a piece of sheet metal or other thin material, each step on the bit widens the hole. The bits also have a self-starting split point that prevents the bits from moving, or walking, when starting to drill, which eliminates the need for using a center drill to create a starter hole before drilling.

Product Number: 2CJR3

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  • Description
Mfr Model 10231cb
Measurement System Fractional Inch
Decimal Equivalent 0.125; 0.1563; 0.1875; 0.2188; 0.25; 0.2813; 0.3125; 0.3438; 0.375; 0.4063; 0.4375; 0.4688; 0.5
Maximum Drilling Depth 1/8 in
Overall Length 3-3/16 in
Shank Diameter 1/4 in
Shank Type Machining Hex
Impact Rated No
Finish Machining Black Oxide
Material Machining Cobalt Alloy Steel
Primary Material Application Aluminum; Brass; Copper; Hardened Steel; Laminate; Plastic; Stainless Steel; Steel; Wood
Sub Brand Unibit
UNSPSC 27112801
Country of Origin USA (subject to change)
Series UNIBIT
Shank Hex Size 1/4 in
Shank Length 3-1/8 in
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