Item # BHS#4-40X1PL
#4-40 x 1 Button Head Socket Cap Screw, Alloy Ste, Black Oxide
Item # BHS#4-40X1PL
#4-40 x 1 Button Head Socket Cap Screw, Alloy Ste, Black Oxide
- UM: EA
The BHS#4-40X1PL is a #4-40 x 1 alloy steel button head socket cap screw with black oxide finish. The low-profile domed head is ideal for clearance-sensitive assemblies where a standard socket head cap screw would protrude. Drive: 5/64" hex key. Meets ASME B18.3.
| Thread | #4-40 |
|---|---|
| Length | 1 |
| Thread Series | Coarse |
| Material | Alloy Steel |
| Finish | Black Oxide |
| Head Style | Button (low profile domed) |
| Drive | Internal Hex (Allen Key) |
| Hex Key Size | 5/64" |
| Standard | ASME B18.3 |
| Part Number | BHS#4-40X1PL |
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 #4-40 button head socket cap screws in Eugene, Oregon. Call or order online for availability.
Related Resources: Torque & Hex Key Chart • Material & Grade Guide
| Diameter | #4 |
| Thread | #4-40 |
| Length | 1 |
| Material | Alloy Steel |
| Finish | Black Oxide |
| Part Number | BHS#4-40X1PL |
| Type | Button Head Socket Cap Screw |