This M17 x 20mm hex head cap screw, crafted from premium 316 stainless steel, offers superior corrosion resistance and high tensile strength, ensuring reliable fastening in critical applications.
| Standard | ASME B18 |
| Material | 316 Stainless Steel |
| Finish | Zinc Plated |
| Grade | N/A |
| Size | M17 |
| Length | 20mm |
| Head Width | 13mm |
Specified by design engineers worldwide, this M17 x 20mm hex head cap screw is manufactured from marine-grade 316 stainless steel, renowned for its exceptional resistance to corrosion, pitting, and crevice attack, even in harsh chemical and saltwater environments. With a nominal diameter of M17 and a length of 20mm, it features a precisely machined hex head with a width of 13mm for optimal torque application using standard tooling. This fastener is engineered for demanding applications requiring long-term durability and structural integrity, such as in chemical processing equipment, marine hardware, and high-performance machinery.
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 or socket for the 13mm hex head. 2. Ensure the mating threads are clean and free of debris. 3. Apply the specified torque for the application, avoiding over-tightening to prevent thread stripping or fastener fatigue.
| Standard System | Designation |
|---|---|
| ISO Equivalent | ISO 898-1 / ISO 4014 |
| DIN Equivalent | DIN 931 / DIN 933 |
| Primary Standard | ASME B18 |
| 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) |
|---|---|---|
| M17 | Check Calculator | Reduce by 25% |
| Size / Type | Est. Weight (lbs/100) | Shipping Weight (kg) |
|---|---|---|
| M17 | Varies by dimension | Contact Sales |
| Environment | Rating |
|---|---|
| Indoor / Dry | Excellent |
| Outdoor / Exposed | Excellent |
| Marine / Saltwater | Excellent |
| Chemical / Acidic | Good |
| ❌ Mistake | ✅ Correct Approach |
|---|---|
| Using a standard steel fastener in a corrosive environment. | Always specify 316 stainless steel for marine, chemical, or outdoor applications to prevent premature corrosion and failure. |
| Over-tightening the fastener, leading to thread damage or reduced tensile strength. | Adhere to the recommended torque specifications for the application to ensure proper clamping force without compromising fastener integrity. |
A: This Hex Head Cap Screw, 316 Stainless Steel is manufactured from 316 Stainless Steel.
A: Marine hardware and shipbuilding, Chemical processing and pharmaceutical equipment, Food processing machinery, Offshore oil and gas platforms.
Conversion factor: 1 ft-lb ≈ 1.356 Nm
| Status | Mating Component | Standard | Torque Spec | Engineering Notes |
|---|---|---|---|---|
| No verified compatibility data found for this component. | ||||