Engineered for robust performance, this M18 x 108mm hex head cap screw is constructed from premium 304 stainless steel, offering exceptional corrosion resistance and durability for critical fastening tasks.
| Standard | ASME B18 |
| Material | 304 Stainless Steel |
| Finish | Galvanized |
| Grade | N/A |
| Size | M18 |
| Length | 108mm |
| Head Width | 12mm |
Trusted by engineers across multiple sectors, this M18 x 108mm hex head cap screw is manufactured from robust 304 stainless steel, renowned for its superior tensile strength and excellent resistance to corrosion and rust, even in harsh environmental conditions. The precise M18 thread ensures reliable and secure connections in demanding applications such as structural assembly, heavy machinery, and outdoor installations where integrity and longevity are paramount. Its 12mm head width provides ample surface area for torque application with standard tools.
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 for the M18 hex head. 2. Ensure mating threads are clean and free from debris. 3. Apply appropriate torque to achieve desired clamping force, avoiding over-tightening.
| Standard System | Designation |
|---|---|
| ISO Equivalent | ISO 898-1 / ISO 4014 |
| DIN Equivalent | DIN 931 / DIN 933 |
| Primary Standard | ASME B18 |
| 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) |
|---|---|---|
| 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 | Good |
| Chemical / Acidic | Not Recommended |
| ❌ Mistake | ✅ Correct Approach |
|---|---|
| Using incorrect thread pitch or size for the application. | Always verify the thread specification (M18) and the mating component's thread to ensure compatibility and prevent cross-threading or stripping. |
| Applying excessive torque, leading to thread damage or fastener failure. | Consult torque charts or engineering specifications for the correct torque range for M18 fasteners in your specific material application. Use a calibrated torque wrench. |
A: This Hex Head Cap Screw, 304 Stainless Steel is manufactured from 304 Stainless Steel.
A: Structural steel connections, Heavy machinery assembly, Marine and coastal environments, Food processing 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. | ||||