screws › hexagon head cap screws
B1821BH100F550N
Screw
Description
Fastener Length: 5-1/2", Thread: 1--12, Thread Length: 2-29/64"
Specifications
| Fastener Length | 5.312 inches minimum and 5.500 inches maximum |
|---|---|
| Hardness Rating | 32.0 rockwell c minimum and 38.0 rockwell c maximum |
| Head Height | 0.591 inches minimum and 0.627 inches maximum |
| Head Style | Hexagon Head |
| Length | 5 1/2 |
| Material | Steel |
| Material Specification | Sae j429 gr 8 assn std single material response |
| Min. Tensile Strength (psi) | 150000 pounds per square inch |
| Nondefinitive Specification/Std Data | 2 type and 10p style and 8 grade |
| Surface Finish | 63.0 microinches threads |
| Surface Treatment | Zinc and chromate |
| Surface Treatment Specification | Astm b633 ty 2 sc 3 assn std single treatment response |
| Thread Class | 2a |
| Thread Diameter | 1.000 |
| Thread Direction | Right-hand |
| Thread Length | 2.250 inches minimum and 2.458 inches maximum |
| Thread Qty | 12 |
| Thread Qty Per Inch (tpi) | 12 |
| Thread Series Designator | UNF |
| Width Between Flats | 1.469 inches minimum and 1.500 inches maximum |
Cross-reference
No interchangeable or dimensionally similar parts are on record for B1821BH100F550N. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error