Norseman Step Drills Ultra Bit
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Pricing is subject to change. In-store pricing may vary from online pricing.
Product Overview
Norseman Step Drills Ultra Bit™ Multi-Diameter
Fractional Size
Ideal For: Metals, Plastic, Wood
- Gold Oxide Electrician Step Drill Type 78-AG
- Special axial and Radial flute design increases work piece penetration.
- Duel flute contruction drills clean accurate holes in thin materials, quickly and easily.
- 3 flats on shank give positive chuck-grip.
- Gold oxide provides low temperature stress relief that enhances lubricity, reduces friction, and increases tap toughness.
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On all hardware item purchases of $99.99 or more.
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Specifications
DETAILS |
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Size | Hole Sizes | No. Range | Shank Size | Step Increments | Step Thickness |
1 | 13 | 1/8" - 1/2" | 1/4" | 1/32" | 1/8" |
2* | 8 | 1/4" - 1" | 3/8" | 1/16" | 5/32" |
3 | 9 | 1/4" - 3/4" | 3/8" | 1/16" | 5/32" |
4 | 6 | 3/16" - 1/2" | 1/4" | 1/16" | 3/8" |
7 | 1 | 1/4" - 7/8" | 3/8" | 1/16" | 1/16" |
8 | 12 | 3/16" - 7/8" | 3/8" | 1/16" | 1/8" |
9 | 3 | 7/8" - 1-7/32" | 3/8" | 7/8" | --- |
11 | 2 | 7/8" - 1-1/8" | 3/8" | 27/64" | 9/64" |
12 | 5 | 1/4" - 1-3/8" | 3/8" | 1/8" | *SEE NOTE |
1/4 A | 16 | 1/4" - 1-1/8" | 3/8" | 1/16" | 1/16" |
13/16 | 10 | 13/16" - 1-3/8" | 1/2" | 1/32" | 5/32" |
* Size 2: Also referred to as 9/16" - 1" No. Range | |||||
* Size 12: 7/8", 1-1/8", 1-7/32", 1-1/4", 1-3/8" (1/2" and 3/4" conduit) |