Photographs are representational and may not be size accurate.
OneSource
5/16-18 x 2-1/4 Inch Coarse Black Oxide Medium Carbon Steel 12 Point Counterbore Bolt
Item C68.516.214
Counterbore screws are threaded fasteners that are designed for use in counterbored holes. A counterbored hole is essentially a pilot hole consisting of a long and narrow threaded channel at the bottom and a shallower but wider channel at the top.
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Photographs are representational and may not be size accurate.
Key Specifications
| Length | 2-1/4 Inch |
| Thread Type | Coarse |
| Head Style | 12-Point / Counterbore / Flange Style |
| Drive Type | External 12-Point |
| Material | Medium Carbon Steel |
| Finish | Black Oxide |
Description
Description
Counterbore screws are threaded fasteners that are designed for use in counterbored holes. A counterbored hole is essentially a pilot hole consisting of a long and narrow threaded channel at the bottom and a shallower but wider channel at the top.
Specifications
General
- Finish
- Black Oxide
- Material
- Medium Carbon Steel
- Measurement System
- Inch
Dimensions
- Length
- 2-1/4 Inch
- Thread Type
- Coarse
Features
- Drive Type
- External 12-Point
- Head Style
- 12-Point / Counterbore / Flange Style
