Engineered for superior corrosion resistance and mechanical strength, this M8 x 51mm Hex Head Cap Screw is manufactured from premium 316 stainless steel. Its robust design ensures reliable performance in harsh industrial settings.
| Standard | DIN 933 |
| Material | 316 Stainless Steel |
| Finish | Anodized |
| Grade | N/A |
| Size | M8 |
| Length | 51mm |
| Head Width | 34mm |
A high-performance industrial component, this M8 x 51mm Hex Head Cap Screw is precision-machined from 316 stainless steel, a superior austenitic alloy renowned for its exceptional resistance to chlorides and crevice corrosion. The M8 nominal diameter, coupled with a 51mm nominal length and a substantial 34mm head width, provides significant bearing surface area and torque transfer capability. This material composition makes it ideal for applications exposed to saltwater, chemicals, and extreme temperatures, ensuring long-term structural integrity and preventing galvanic corrosion when used with dissimilar metals. Its hex head design facilitates secure tightening with standard tooling.
This component strictly adheres to the tolerances, material specifications, and quality benchmarks set by the world's leading industrial manufacturers.
1. Ensure the mating threads are clean and free of debris. 2. Position the cap screw through the assembled components. 3. Tighten the cap screw to the specified torque using an appropriate hex wrench or socket, ensuring even pressure distribution.
| Standard System | Designation |
|---|---|
| ISO Equivalent | ISO 898-1 / ISO 4014 |
| DIN Equivalent | DIN 931 / DIN 933 |
| Primary Standard | DIN 933 |
| Tensile Strength | 75,000 psi (515 MPa) |
| Yield Strength | 30,000 psi (205 MPa) |
| Elongation in 2 in. | 40% min |
| Hardness | Rockwell B95 max |
| Carbon (C) | 0.08% max |
| Chromium (Cr) | 16.0 - 18.0% |
| Nickel (Ni) | 10.0 - 14.0% |
| Molybdenum (Mo) | 2.0 - 3.0% |
| Bolt Size | Dry Torque (ft-lbs) | Lubricated Torque (ft-lbs) |
|---|---|---|
| M8 | Check Calculator | Reduce by 25% |
| Size / Type | Est. Weight (lbs/100) | Shipping Weight (kg) |
|---|---|---|
| M8 | Varies by dimension | Contact Sales |
| Environment | Rating |
|---|---|
| Indoor / Dry | Excellent |
| Outdoor / Exposed | Excellent |
| Marine / Saltwater | Excellent |
| Chemical / Acidic | Good |
| ❌ Mistake | ✅ Correct Approach |
|---|---|
| Over-tightening the screw, leading to stripped threads or material fatigue. | Adhere to the manufacturer's recommended torque specifications for the given fastener size and material. |
| Using standard stainless steel (e.g., 304) in highly corrosive environments, resulting in premature failure. | Select 316 stainless steel for applications involving chlorides, saltwater, or aggressive chemicals to guarantee superior corrosion resistance. |
A: This Hex Head Cap Screw, 316 Stainless Steel is manufactured from 316 Stainless Steel.
A: Marine and offshore equipment assembly, Chemical processing and pharmaceutical manufacturing, Food and beverage industry machinery.
Conversion factor: 1 ft-lb ≈ 1.356 Nm
| Status | Mating Component | Standard | Torque Spec | Engineering Notes |
|---|---|---|---|---|
| No verified compatibility data found for this component. | ||||