Item # 188FHSM8-1.25X55
M8-1.25 x 55 Flat Head Socket Cap Screw, 18-8 Stai, Plain
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Item # 188FHSM8-1.25X55
M8-1.25 x 55 Flat Head Socket Cap Screw, 18-8 Stai, Plain
- UM: EA
The 188FHSM8-1.25X55 is a M8-1.25 x 55 corrosion-resistant 18-8 Stainless Steel flat head socket cap screw. The 82° conical head sits flush when installed in a matching countersink. Drive: 5mm hex key. Meets ASME B18.3.
| Thread | M8-1.25 |
|---|---|
| Length | 55 |
| Thread Series | Coarse |
| Material | 18-8 Stainless Steel |
| Finish | Plain |
| Head Style | Flat, 82° countersink |
| Drive | Internal Hex (Allen Key) |
| Hex Key Size | 5mm |
| Standard | ASME B18.3 |
| Part Number | 188FHSM8-1.25X55 |
Countersink: This inch-series screw requires an 82° countersink (ASME B18.3). Metric flat heads (DIN 7991) use 90° — do not interchange tooling.
Eugene Fastener stocks M8-1.25 flat head socket cap screws in Eugene, Oregon. Call or order online for same-day availability on stocked sizes.
Related Resources: Countersink Guide (82° vs 90°) • Torque & Hex Key Chart • Material & Grade Guide
Specifications
| Diameter | M8 |
| Thread | M8-1.25 |
| Length | 55 |
| Material | 18-8 Stainless Steel |
| Finish | Plain |
| Part Number | 188FHSM8-1.25X55 |
| Type | Flat Head Socket Cap Screw |
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