Item # BHS1/2-13X21/2ZP
1/2-13 x 2-1/2 Button Head Socket Cap Screw, Alloy Ste, Zinc-Bake CR+3
Item # BHS1/2-13X21/2ZP
1/2-13 x 2-1/2 Button Head Socket Cap Screw, Alloy Ste, Zinc-Bake CR+3
- UM: EA
The BHS1/2-13X21/2ZP is a 1/2-13 x 2 1/2 alloy steel button head socket cap screw with zinc-bake cr+3 finish. The low-profile domed head is ideal for clearance-sensitive assemblies where a standard socket head cap screw would protrude. Drive: 5/16" hex key. Meets ASME B18.3.
| Thread | 1/2-13 |
|---|---|
| Length | 2 1/2 |
| Thread Series | Coarse |
| Material | Alloy Steel |
| Finish | Zinc-Bake CR+3 |
| Head Style | Button (low profile domed) |
| Drive | Internal Hex (Allen Key) |
| Hex Key Size | 5/16" |
| Standard | ASME B18.3 |
| Part Number | BHS1/2-13X21/2ZP |
Strength note: Button head socket cap screws are classified as a lower-strength alternative to socket head cap screws per ASME B18.3. The shallow head limits the hex socket depth and maximum installation torque. Do not substitute button heads in high-tension structural joints without verifying load capacity.
Eugene Fastener stocks 1/2-13 button head socket cap screws in Eugene, Oregon. Call or order online for availability.
Related Resources: Torque & Hex Key Chart • Material & Grade Guide
| Diameter | 1/2 |
| Thread | 1/2-13 |
| Length | 2-1/2 |
| Material | Alloy Steel |
| Finish | Zinc-Bake CR+3 |
| Part Number | BHS1/2-13X21/2ZP |
| Type | Button Head Socket Cap Screw |