Engineered for superior corrosion resistance and mechanical strength, this M7 x 72mm hex head cap screw is manufactured from premium 316 stainless steel. Ideal for critical applications requiring reliable fastening.
| Standard | DIN 933 |
| Material | 316 Stainless Steel |
| Finish | Black Oxide |
| Grade | N/A |
| Size | M7 |
| Length | 72mm |
| Head Width | 28mm |
Manufactured under strict quality controls, this M7 x 72mm hex head cap screw boasts a nominal diameter of M7 and a length of 72mm, with a substantial 28mm head width. Constructed from grade 316 stainless steel, it offers exceptional resistance to pitting and crevice corrosion, even in aggressive marine and chemical environments due to its molybdenum content. This material also provides excellent tensile strength and durability, ensuring long-term performance in demanding industrial and outdoor applications. Precision threading ensures secure and reliable engagement with mating components.
This component strictly adheres to the tolerances, material specifications, and quality benchmarks set by the world's leading industrial manufacturers.
1. Ensure mating threads are clean and free of debris. 2. Hand-thread the cap screw to verify proper alignment and engagement. 3. Use a calibrated torque wrench to tighten to the specified torque value for the application, avoiding over-tightening.
| 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) |
|---|---|---|
| M7 | Check Calculator | Reduce by 25% |
| Size / Type | Est. Weight (lbs/100) | Shipping Weight (kg) |
|---|---|---|
| M7 | Varies by dimension | Contact Sales |
| Environment | Rating |
|---|---|
| Indoor / Dry | Excellent |
| Outdoor / Exposed | Excellent |
| Marine / Saltwater | Excellent |
| Chemical / Acidic | Good |
| ❌ Mistake | ✅ Correct Approach |
|---|---|
| Using standard stainless steel in highly corrosive environments. | Always select 316 stainless steel for applications involving saltwater, chemicals, or high-temperature corrosive atmospheres. |
| Over-tightening the cap screw, which can strip threads or deform components. | Utilize a torque wrench and adhere to recommended torque specifications for the specific application and materials being joined. |
A: This Hex Head Cap Screw, 316 Stainless Steel is manufactured from 316 Stainless Steel.
A: Marine hardware and boat fittings, Chemical processing equipment, Food and beverage processing machinery, Outdoor structural assemblies, Medical device construction.
Conversion factor: 1 ft-lb ≈ 1.356 Nm
| Status | Mating Component | Standard | Torque Spec | Engineering Notes |
|---|---|---|---|---|
| No verified compatibility data found for this component. | ||||