This M12 x 135mm hex head cap screw, crafted from premium 304 stainless steel, offers exceptional strength and corrosion resistance for critical fastening applications in harsh environments.
| Standard | DIN 933 |
| Material | 304 Stainless Steel |
| Finish | Galvanized |
| Grade | N/A |
| Size | M12 |
| Length | 135mm |
| Head Width | 27mm |
Engineered for reliability and performance, this M12 x 135mm hex head cap screw is manufactured from high-grade 304 stainless steel, renowned for its superior corrosion resistance, excellent tensile strength, and durability in a wide range of temperatures. The precisely machined M12 thread ensures secure engagement with M12 nuts and tapped holes, while the robust hex head, with a nominal width of 27mm, allows for high torque application using standard tooling. This combination of material and design makes it suitable for demanding environments including marine, chemical processing, food and beverage, and general industrial assembly 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 wrench or socket size (27mm) for the hex head. 2. Ensure the mating threads (nut or tapped hole) are clean and free from debris. 3. Insert the cap screw and engage the threads by hand for at least two full turns to prevent cross-threading. 4. Tighten the screw to the required torque specification using a calibrated torque wrench, ensuring the desired clamping force is achieved without over-tightening.
| Standard System | Designation |
|---|---|
| ISO Equivalent | ISO 898-1 / ISO 4014 |
| DIN Equivalent | DIN 931 / DIN 933 |
| Primary Standard | DIN 933 |
| 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) | 18.0 - 20.0% |
| Nickel (Ni) | 8.0 - 10.5% |
| Manganese (Mn) | 2.00% max |
| Bolt Size | Dry Torque (ft-lbs) | Lubricated Torque (ft-lbs) |
|---|---|---|
| M12 | Check Calculator | Reduce by 25% |
| Size / Type | Est. Weight (lbs/100) | Shipping Weight (kg) |
|---|---|---|
| M12 | Varies by dimension | Contact Sales |
| Environment | Rating |
|---|---|
| Indoor / Dry | Excellent |
| Outdoor / Exposed | Excellent |
| Marine / Saltwater | Good |
| Chemical / Acidic | Not Recommended |
| ❌ Mistake | ✅ Correct Approach |
|---|---|
| Using the wrong size wrench, leading to head stripping. | Always use a 27mm wrench or socket that fits snugly on the hex head. |
| Cross-threading the screw by forcing it when starting. | Start threading the screw by hand for at least two full turns to ensure proper alignment before applying any tool torque. |
| Over-tightening, which can lead to thread damage or material fatigue. | Use a calibrated torque wrench and adhere to manufacturer-recommended torque values for the M12 thread size and application. |
A: This Hex Head Cap Screw, 304 Stainless Steel is manufactured from 304 Stainless Steel.
A: Marine hardware and boat building, Chemical processing equipment assembly, Food and beverage industry machinery, Outdoor structural applications, Industrial machinery and fabrication.
Conversion factor: 1 ft-lb ≈ 1.356 Nm
| Status | Mating Component | Standard | Torque Spec | Engineering Notes |
|---|---|---|---|---|
| No verified compatibility data found for this component. | ||||