Engineered for demanding environments, this M8x81mm hex head cap screw is forged from premium 316 stainless steel, offering superior corrosion resistance and exceptional strength for critical industrial applications.
| Standard | ASTM A106 |
| Material | 316 Stainless Steel |
| Finish | Plain |
| Grade | N/A |
| Size | M8 |
| Length | 81mm |
| Head Width | 33mm |
A proven choice for industrial professionals, this M8x81mm hex head cap screw is constructed from high-grade 316 stainless steel, renowned for its enhanced resistance to pitting and crevice corrosion, particularly in chloride-rich environments. The M8 thread ensures robust engagement, while the 81mm length provides ample reach for various assembly needs. Its substantial 33mm head width allows for effective torque application with standard tools, facilitating secure and reliable fastening. This material's inherent toughness and non-magnetic properties make it ideal for applications where chemical exposure, saltwater, or temperature fluctuations are prevalent.
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 from debris. 2. Hand-thread the screw to confirm proper alignment and prevent cross-threading. 3. Tighten using a suitable wrench to the recommended torque specification for M8 fasteners, considering the load and joint materials.
| 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) |
|---|---|---|
| M8 | Check Calculator | Reduce by 25% |
| Size / Type | Est. Weight (lbs/100) | Shipping Weight (kg) |
|---|---|---|
| M8 | Varies by dimension | Contact Sales |
| Environment | Rating |
|---|---|
| Indoor / Dry | Excellent |
| Outdoor / Exposed | Excellent |
| Marine / Saltwater | Excellent |
| Chemical / Acidic | Good |
| ❌ Mistake | ✅ Correct Approach |
|---|---|
| Over-tightening, leading to thread stripping or material fatigue. | Utilize a torque wrench and adhere to manufacturer-specified torque values for the M8 thread size and the materials being joined. |
| Using standard steel fasteners in corrosive environments, resulting in premature failure. | Always select fasteners made from appropriate corrosion-resistant materials like 316 stainless steel for marine, chemical, or outdoor applications. |
A: This Hex Head Cap Screw, 316 Stainless Steel is manufactured from 316 Stainless Steel.
A: Marine and offshore equipment, Chemical processing plants, Food and beverage processing machinery, Wastewater treatment systems, Outdoor structural assemblies.
Conversion factor: 1 ft-lb ≈ 1.356 Nm
| Status | Mating Component | Standard | Torque Spec | Engineering Notes |
|---|---|---|---|---|
| No verified compatibility data found for this component. | ||||