Engineered for high-performance fastening, this M9 x 58mm hex head cap screw is crafted from premium 316 stainless steel, offering exceptional strength and resistance to corrosion in harsh environments.
| Standard | ISO 9001 |
| Material | 316 Stainless Steel |
| Finish | Galvanized |
| Grade | N/A |
| Size | M9 |
| Length | 58mm |
| Head Width | 21mm |
Precision-manufactured to tight tolerances, this M9 x 58mm hex head cap screw features a robust M9 thread size and a 58mm length, ensuring precise mating with M9 nuts and tapped holes. The substantial 21mm head width allows for secure torque application with standard wrenches. Constructed from marine-grade 316 stainless steel, it exhibits superior resistance to pitting and crevice corrosion, making it ideal for marine, chemical processing, and food service applications where exposure to saltwater, acids, and other aggressive media is common. Its excellent tensile strength and durability ensure reliable performance in demanding operational conditions.
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 (nut or tapped hole) are clean and free from debris. 2. Hand-thread the cap screw to confirm alignment and prevent cross-threading. 3. Using an appropriately sized wrench (fitting the 21mm head width), tighten the cap screw to the specified torque value, avoiding over-tightening.
| Standard System | Designation |
|---|---|
| ISO Equivalent | ISO 898-1 / ISO 4014 |
| DIN Equivalent | DIN 931 / DIN 933 |
| Primary Standard | ISO 9001 |
| 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) |
|---|---|---|
| M9 | Check Calculator | Reduce by 25% |
| Size / Type | Est. Weight (lbs/100) | Shipping Weight (kg) |
|---|---|---|
| M9 | Varies by dimension | Contact Sales |
| Environment | Rating |
|---|---|
| Indoor / Dry | Excellent |
| Outdoor / Exposed | Excellent |
| Marine / Saltwater | Excellent |
| Chemical / Acidic | Good |
| ❌ Mistake | ✅ Correct Approach |
|---|---|
| Using the wrong size wrench, leading to head damage or insufficient torque. | Always use a wrench that precisely fits the 21mm hex head to ensure proper torque transfer and prevent damage. |
| Cross-threading due to misalignment during initial insertion. | Carefully hand-thread the screw first to ensure it starts straight and engages the threads correctly before applying tools. |
A: This Hex Head Cap Screw, 316 Stainless Steel is manufactured from 316 Stainless Steel.
A: Marine hardware and rigging, Chemical processing equipment, Food and beverage industry machinery, Outdoor architectural installations.
Conversion factor: 1 ft-lb ≈ 1.356 Nm
| Status | Mating Component | Standard | Torque Spec | Engineering Notes |
|---|---|---|---|---|
| No verified compatibility data found for this component. | ||||