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BACB30BF4K6
Machine Screw
Description
Fastener Length: 55/64", Thread: 1/4-28, Thread Length: 15/32
Specifications
| Countersink Angle | 100.0 degrees |
|---|---|
| Fastener Length | 0.829 inches minimum and 0.859 inches maximum |
| Head Diameter | 0.446 inches minimum |
| Head Style | Flat countersunk |
| Internal Drive Style | Cross recess type 1 |
| Length | 55/64 |
| Material | Nickel |
| Screw Material | Nickel alloy k-500 or copper alloy 172 |
| Screw Material Specification | Aa-n-286 fed spec 1st material response or qq-c-530 cond a fed spec 2nd material response |
| Screw Surface Treatment | Cadmium |
| Screw Surface Treatment Specification | Qq-p-416,ty 1,cl 3 fed spec single treatment response |
| Specification Data | 81205-bacb30bf manufacturers standard |
| Thread Class | 3a |
| Thread Diameter | 0.250 |
| Thread Direction | Right-hand |
| Thread Length | 0.469 inches minimum |
| Thread Qty | 28 |
| Thread Qty Per Inch (tpi) | 28 |
| Thread Series Designator | UNF |
| Thread Size | 1/4 |
Other sizes
Parts that share this base number, ordered by size. Always verify the full specification before substituting.
- BACB30BF4K4
- BACB30BF4K6
Cross-reference
No interchangeable or dimensionally similar parts are on record for BACB30BF4K6. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error