This M8x40mm hex head cap screw, crafted from superior 316 stainless steel, offers exceptional corrosion resistance. Its robust design and premium material make it ideal for critical fastening applications in challenging environments.
| Standard | ISO 9001 |
| Material | 316 Stainless Steel |
| Finish | Plain |
| Grade | N/A |
| Size | M8 |
| Length | 40mm |
| Head Width | 33mm |
Designed for demanding industrial environments, this M8x40mm hex head cap screw is manufactured from high-grade 316 stainless steel, renowned for its superior resistance to chloride pitting, crevice corrosion, and general corrosion, particularly in marine and chemical processing settings. The M8 thread provides a secure and reliable connection, while the 40mm length accommodates a wide range of assembly requirements. Its substantial 33mm head width ensures excellent torque transfer and distributes load effectively, preventing fastener deformation under high stress. This fastener is engineered for applications where durability, longevity, and resistance to aggressive media are paramount, including offshore platforms, chemical plants, food processing equipment, and wastewater treatment facilities.
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. Apply appropriate lubricant if specified for the application to prevent galling. 3. Tighten the cap screw to the recommended torque specification using a calibrated torque wrench.
| 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) |
|---|---|---|
| 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 the fastener, leading to thread stripping or deformation. | Always adhere to the manufacturer's recommended torque specifications and use a calibrated torque wrench for accurate tightening. |
| Using the wrong size or type of tool, potentially damaging the hex head. | Utilize a correctly sized, high-quality hex socket or wrench to ensure proper engagement and prevent cam-out. |
A: This Hex Head Cap Screw, 316 Stainless Steel is manufactured from 316 Stainless Steel.
A: Marine and offshore equipment construction, Chemical processing and handling systems, Food and beverage processing machinery, Wastewater treatment infrastructure, Pharmaceutical manufacturing equipment.
Conversion factor: 1 ft-lb ≈ 1.356 Nm
| Status | Mating Component | Standard | Torque Spec | Engineering Notes |
|---|---|---|---|---|
| No verified compatibility data found for this component. | ||||