Engineered for superior performance in corrosive environments, this M20 x 71mm 316 Stainless Steel Hex Head Cap Screw offers exceptional strength and durability. Ideal for critical applications requiring reliable fastening.
| Standard | ISO 9001 |
| Material | 316 Stainless Steel |
| Finish | Passivated |
| Grade | N/A |
| Size | M20 |
| Length | 71mm |
| Head Width | 7mm |
Specified by design engineers worldwide, this M20 x 71mm Hex Head Cap Screw is manufactured from premium 316 stainless steel, renowned for its superior corrosion resistance, particularly in saline and acidic conditions. The M20 nominal diameter, combined with a 71mm length, provides robust fastening capabilities. The hex head features a 7mm width, designed for compatibility with standard M20 hex drivers and wrenches, ensuring precise torque application. This material grade also offers excellent mechanical properties, making it suitable for high-stress applications where long-term integrity is paramount.
This component strictly adheres to the tolerances, material specifications, and quality benchmarks set by the world's leading industrial manufacturers.
1. Select the appropriate M20 hex socket driver or wrench. 2. Engage the driver firmly with the hex head of the cap screw. 3. Apply controlled torque to achieve the required clamping force, avoiding over-tightening. 4. Ensure the mating threads are clean and free from debris for optimal engagement.
| 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) |
|---|---|---|
| M20 | Check Calculator | Reduce by 25% |
| Size / Type | Est. Weight (lbs/100) | Shipping Weight (kg) |
|---|---|---|
| M20 | 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 hex driver, leading to stripping of the fastener head. | Always verify the hex head size (7mm for M20) and use a correctly sized, high-quality driver or wrench. |
| Applying excessive torque, which can lead to thread damage or fastener failure. | Utilize a calibrated torque wrench and adhere to recommended torque specifications for M20 fasteners in your specific application. |
A: This Hex Head Cap Screw, 316 Stainless Steel is manufactured from 316 Stainless Steel.
A: Marine and offshore equipment assembly, Chemical processing and food/beverage industries, Outdoor structural and architectural applications.
Conversion factor: 1 ft-lb ≈ 1.356 Nm
| Status | Mating Component | Standard | Torque Spec | Engineering Notes |
|---|---|---|---|---|
| No verified compatibility data found for this component. | ||||