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3YDW5 Step Drill Bits

$185.15

Bulk orders will be discounted, please contact us.

Step drill bit sets contain multiple bits in different sizes for creating holes in a range of sizes. 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: 3YDW5

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  • Description
Mfr Model 10225
Measurement System Fractional Inch
Decimal Equivalent 0.125; 1.375
Maximum Drilling Depth 1/8 in
Overall Length 2-3/4 in; 3-1/8 in
Shank Diameter 3/8 in
Shank Type Machining Straight with Three Flats
Impact Rated No
Finish Machining Black Oxide
Material Machining High Speed Steel
Primary Material Application Aluminum; Brass; Copper; Laminate; Plastic; Steel; Wood
Sub Brand Unibit
UNSPSC 27112801
Country of Origin USA (subject to change)
Series UNIBIT
Shank Hex Size 1/4 in; 3/8 in; 7/16 in
Shank Length 3-1/8 in
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