This M20x93mm Hex Head Cap Screw, crafted from premium 304 stainless steel, offers superior corrosion resistance and mechanical strength for critical industrial applications. Engineered for reliability and longevity.
| Standard | ASME B18 |
| Material | 304 Stainless Steel |
| Finish | Galvanized |
| Grade | N/A |
| Size | M20 |
| Length | 93mm |
| Head Width | 27mm |
Designed for demanding industrial environments, this M20x93mm hex head cap screw is manufactured from high-grade 304 stainless steel, providing exceptional resistance to corrosion, rust, and chemical attack. The M20 nominal diameter ensures robust load-bearing capacity, complemented by a 93mm length for secure fastening in varied assemblies. The generous 27mm head width allows for effective torque application with standard tooling, making it ideal for structural applications, machinery assembly, and outdoor infrastructure where durability and long-term performance are paramount. This material grade also offers good ductility and formability.
This component strictly adheres to the tolerances, material specifications, and quality benchmarks set by the world's leading industrial manufacturers.
1. Ensure the mating threads are clean and free from debris. 2. Align the hex head cap screw with the pre-drilled hole or threaded insert. 3. Engage the threads by hand to prevent cross-threading, then tighten using an appropriate socket wrench or power tool with torque control. 4. Apply torque gradually to the specified level for the application, ensuring a secure and stable joint.
| 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) |
|---|---|---|
| M20 | Check Calculator | Reduce by 25% |
| Size / Type | Est. Weight (lbs/100) | Shipping Weight (kg) |
|---|---|---|
| M20 | Varies by dimension | Contact Sales |
| Environment | Rating |
|---|---|
| Indoor / Dry | Excellent |
| Outdoor / Exposed | Excellent |
| Marine / Saltwater | Good |
| Chemical / Acidic | Not Recommended |
| ❌ Mistake | ✅ Correct Approach |
|---|---|
| Using insufficient torque, leading to a loose joint and potential failure. | Always refer to application-specific torque charts or engineering specifications and use a calibrated torque wrench for precise tightening. |
| Cross-threading the screw during installation, damaging both the screw and the mating threads. | Start thread engagement by hand for at least two full turns to confirm proper alignment before applying any tool torque. |
| Using a steel fastener in a corrosive environment, leading to premature rust and failure. | Utilize 304 stainless steel for its inherent corrosion resistance in environments exposed to moisture, chemicals, or salt. |
A: This Hex Head Cap Screw, 304 Stainless Steel is manufactured from 304 Stainless Steel.
A: Industrial machinery and equipment assembly, Structural steel connections, Marine and offshore applications, Food processing equipment, Automotive and aerospace components.
Conversion factor: 1 ft-lb ≈ 1.356 Nm
| Status | Mating Component | Standard | Torque Spec | Engineering Notes |
|---|---|---|---|---|
| No verified compatibility data found for this component. | ||||