collars › pin-rivet collars
HL77-8
Hi-Lok™Rivet Collar Pin
Description
thread: 1/4-28, shear application, aluminum alloy, brown anodized, HL77 series collar
Specifications
| Collar Inside Diameter | Between 0.232 inches and 0.261 inches |
|---|---|
| Collar Outside Diameter | Between 0.408 inches and 0.412 inches |
| Collar Style | Threaded (break off) type |
| Collarheight | Between 0.532 inches and 0.552 inches |
| Heat Treatment | T-6 solution heat treated |
| Lubrication | Hi-shear corp specification 305 cetyl alcohol |
| Material | Aluminum |
| Material Specification | Qq-a-430 federal specification single material response or qq-a-225/6 federal specification single material response |
| Surface Treatment | Anodize |
| Surface Treatment Specification | Mil-a-8625 military specification single treatment response |
| Thread Class | 3b |
| Thread Direction | Right-hand |
| Thread Series | UNJF |
| Thread Series Designator | Unjf (fine thread with external controlled root radius) |
| Thread Size | 0.250 |
Other sizes
Parts that share this base number, ordered by size. Always verify the full specification before substituting.
Cross-reference
No interchangeable or dimensionally similar parts are on record for HL77-8. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error