screws › close tolerance screws
BACB30LK06-8
Screw
Description
Fastener Length: 7/8", Thread: 1/4-28, Thread Length: 21/64"
Specifications
| Fastener Length | 0.855 inches minimum and 0.885 inches maximum |
|---|---|
| Grip Diameter | 0.1365 inches minimum and 0.1375 inches maximum |
| Grip Length | 0.552 inches minimum and 0.572 inches maximum |
| Head Diameter | 0.256 inches minimum and 0.270 inches maximum |
| Head Height | 0.087 inches minimum and 0.097 inches maximum |
| Head Style | Pan Head |
| Internal Drive Style | Cross recess type 1 |
| Length | 7/8 |
| Material | Iron |
| Specification Data | 81205-bacb30lk manufacturers standard |
| Surface Finish | 32.0 microinches bearing surface of head, 32.0 microinches grip, 32.0 microinches threads |
| Surface Treatment | Cadmium and chromate |
| Surface Treatment Specification | Qq-p-416,type 2,class 3 fed spec single treatment response |
| Thread Class | 3a |
| Thread Diameter | 0.250 |
| Thread Direction | Right-hand |
| Thread Length | 0.283 inches minimum and 0.333 inches maximum |
| Thread Qty | 28 |
| Thread Qty Per Inch (tpi) | 28 |
| Thread Series Designator | UNJC |
| Thread Size | 1/4 |
Other sizes
Parts that share this base number, ordered by size. Always verify the full specification before substituting.
- BACB30LK06-3
- BACB30LK06-4
- BACB30LK06-5
- BACB30LK06-6
- BACB30LK06-8
- BACB30LK06-9
Cross-reference
Similar parts
Parts with matching key dimensions — often from a different standards family. Candidates for comparison only; verify the full specification before substituting.
- BACB30LK06-9 BAC 1/4-28 · 7/8 in · Pan Head · Iron
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Catalog data updated 2026-07-05. Report a data error