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GS551P4-801
Screw
Description
Fastener Length: 1-5/32", Thread: 1/4-28, Thread Length: 7/16"
Specifications
| Countersink Angle | 99.0 degrees minimum and 101.0 degrees maximum |
|---|---|
| Fastener Length | 1.141 inches minimum and 1.171 inches maximum |
| Grip Diameter | 0.2540 inches minimum and 0.2550 inches maximum |
| Grip Length | 0.725 inches minimum and 0.755 inches maximum |
| Hardness Rating | 33.0 rockwell c minimum |
| Head Diameter | 0.357 |
| Head Style | Flat countersunk |
| Internal Drive Style | Slot |
| Length | 1 5/32 |
| Material | Steel |
| Material Specification | Aisi assn std single material response |
| Min. Tensile Strength (psi) | 150000 pounds per square inch |
| Special Features | Color yellow,half surface or head |
| Surface Treatment | Cadmium and chromate |
| Surface Treatment Specification | Qq-p-416,ty 2,cl 2 fed spec single treatment response |
| Thread Class | 2a |
| Thread Diameter | 0.250 |
| Thread Direction | Right-hand |
| Thread Length | 0.386 inches minimum and 0.446 inches maximum |
| 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.
- GS551P4-741
- GS551P4-801
- GS551P4-921
Cross-reference
No interchangeable or dimensionally similar parts are on record for GS551P4-801. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error