This M15x49mm Hex Head Cap Screw, forged from premium 316 stainless steel, offers exceptional strength and superior corrosion resistance. Its robust design ensures reliable performance in the most challenging environments.
| Standard | ASTM A106 |
| Material | 316 Stainless Steel |
| Finish | Plain |
| Grade | N/A |
| Size | M15 |
| Length | 49mm |
| Head Width | 31mm |
A high-performance industrial component, this M15x49mm Hex Head Cap Screw is engineered for demanding applications requiring exceptional durability and resistance to corrosive environments. Constructed from 316 stainless steel, it boasts superior passivation and excellent resistance to pitting and crevice corrosion, making it ideal for marine, chemical processing, and food & beverage industries. The M15 nominal diameter, coupled with a 49mm length and a 31mm hex head width, provides substantial clamping force and ease of assembly with standard tooling. This alloy's high nickel and molybdenum content ensures performance across a wide temperature range.
This component strictly adheres to the tolerances, material specifications, and quality benchmarks set by the world's leading industrial manufacturers.
1. Select the appropriate torque wrench and socket size (31mm). 2. Ensure mating threads are clean and free from debris. 3. Apply the recommended torque for the M15 thread size and application to achieve proper clamping force without over-stressing the fastener.
| Standard System | Designation |
|---|---|
| ISO Equivalent | ISO 898-1 / ISO 4014 |
| DIN Equivalent | DIN 931 / DIN 933 |
| Primary Standard | ASTM A106 |
| 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) |
|---|---|---|
| M15 | Check Calculator | Reduce by 25% |
| Size / Type | Est. Weight (lbs/100) | Shipping Weight (kg) |
|---|---|---|
| M15 | 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 socket, leading to cam-out and potential damage to the fastener head. | Always use a 31mm socket that fits snugly on the hex head. |
| Over-tightening, which can strip threads or weaken the fastener and mating components. | Adhere to the specified torque values for the M15 thread and application. |
A: This Hex Head Cap Screw, 316 Stainless Steel is manufactured from 316 Stainless Steel.
A: Marine hardware and shipbuilding, Chemical processing equipment, Food and beverage machinery, Outdoor and corrosive environments.
Conversion factor: 1 ft-lb ≈ 1.356 Nm
| Status | Mating Component | Standard | Torque Spec | Engineering Notes |
|---|---|---|---|---|
| No verified compatibility data found for this component. | ||||