https://www.mccoys.com/shop/p/9146416-052303-32/irwin-unibit-15104-step-drill-bit-316-to-78-in-dia-3-in-oal-tree-flute-1-flute-38-in-dia-shank-round-shank
Unibit 15104 Step Drill Bit, 3/16 to 7/8 in Dia, 3 in OAL, Tree Flute, 1-Flute, 3/8 in Dia Shank, Round Shank
Sku: 9146416-052303-32
$59.99 / Card
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Self-starting bit features single flute cutting edge for greater control through steps. Three flatted shanks prevent slipping in drill chuck. SpeedPoint tip penetrates faster and prevents walking in applications such as drilling holes into stainless steel, copper, brass, aluminum, plastic, laminates and other thin materials up to 1/8 in thick.
- Single-flute cutting edge for greater control through steps
- Three flatted shank prevents slipping in drill chuck
- New speed point tip penetrates faster than previous Unibits and prevents walking
Diameter
3/16 to 7/8
Flute Type
Tree
Number of Flutes
1
Shank Type
Round
Shank Diameter
3/8
Point Type
Self-Starting
Cutting Edge Material
HSS
Material
HSS
Finish
Titanium Nitride-Coated
Overall Length
3
Applicable Materials
Aluminum, Brass, Copper, Plastic, Stainless Steel