Engineered for demanding environments, this M18 x 12mm hex head cap screw is crafted from premium 316 stainless steel, offering exceptional corrosion and chemical resistance.
| Standard | ISO 9001 |
| Material | 316 Stainless Steel |
| Finish | Plain |
| Grade | N/A |
| Size | M18 |
| Length | 12mm |
| Head Width | 34mm |
Purpose-built for heavy-duty applications, this M18 x 12mm hex head cap screw features a robust 34mm head width, ensuring maximum torque transfer and secure fastening. Constructed from marine-grade 316 stainless steel, it provides superior resistance to pitting and crevice corrosion in aggressive environments, including saltwater, chemical processing, and food/beverage industries. Its high tensile strength and durability make it ideal for critical structural connections and applications requiring long-term performance under stress and environmental exposure.
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 of debris. 2. Apply appropriate lubricant if required for the application, considering thread galling. 3. Tighten the cap screw to the manufacturer's specified torque 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) |
|---|---|---|
| M18 | Check Calculator | Reduce by 25% |
| Size / Type | Est. Weight (lbs/100) | Shipping Weight (kg) |
|---|---|---|
| M18 | 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 screw, leading to thread stripping or component damage. | Always use a calibrated torque wrench and adhere to recommended torque specifications for the specific materials and application. |
| Using the wrong tool size for the hex head, resulting in cam-out and potential injury or damage. | Utilize the correct size hex bit or socket that fits snugly to ensure proper engagement and prevent slippage. |
A: This Hex Head Cap Screw, 316 Stainless Steel is manufactured from 316 Stainless Steel.
A: Marine and offshore structures, Chemical processing equipment, Food and beverage processing machinery, Wastewater treatment plants, Corrosive industrial environments.
Conversion factor: 1 ft-lb ≈ 1.356 Nm
| Status | Mating Component | Standard | Torque Spec | Engineering Notes |
|---|---|---|---|---|
| No verified compatibility data found for this component. | ||||