bolts › internal wrenching bolts
CA21037-6-4HS
Internal Wrenching Bolt
Description
Fastener Length: 1-13/64", Thread: 3/8-24, Head Width: 9/64", Thread Length: 13/16
Specifications
| Countersink Angle | 100.0 degrees |
|---|---|
| Drive Style | Hexagon |
| End Application | An/ale-40 |
| Fastener Length | 1.210 |
| Features Provided | Retaining clip |
| Head Diameter | 0.375 |
| Head Style | Flat countersunk |
| Internal Drive Style | Hexagon |
| Locking Feature | Slotted concentric hole |
| Material | Steel |
| Material Specification | Ams 5673 assn standard single material response locking feature, Mil-s-5626 military specification single material response or mil-s-6049 military specification single material response |
| Special Features | Externally relieved portion 0.100in. lg at tip of thread end;concentrichole through threaded portion to accomodate retaining clip-locking feature |
| Surface Treatment | Cadmium, Passivate locking feature |
| Surface Treatment Specification | Class 2 federal specification single treatment response type 2 qq-p-416, Qq-p-35 federal specification single treatment response locking feature |
| Thread Class | 3a |
| Thread Diameter | 0.375 |
| Thread Direction | Right-hand |
| Thread Length | 0.840 |
| Thread Qty | 24 |
| Thread Qty Per Inch (tpi) | 24 |
| Thread Series | UNF |
| Thread Series Designator | Unf (fine thread) |
| Thread Size | 3/8 |
| Width Across Flats | 0.141 |
Cross-reference
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Catalog data updated 2026-07-05. Report a data error