Engineered for superior performance, this M21 x 96mm hex head cap screw is crafted from premium 316 stainless steel. It offers exceptional corrosion resistance, making it ideal for the harshest industrial environments.
| Standard | DIN 933 |
| Material | 316 Stainless Steel |
| Finish | Galvanized |
| Grade | N/A |
| Size | M21 |
| Length | 96mm |
| Head Width | 9mm |
A high-performance industrial component, this M21 x 96mm hex head cap screw is manufactured from 316 stainless steel, renowned for its superior resistance to pitting and crevice corrosion, particularly in chloride-rich environments. The M21 metric thread size ensures robust load-bearing capacity, while the 96mm length provides ample engagement for secure fastening in a variety of assemblies. The 9mm head width allows for compatibility with standard metric wrenches and drives. Its inherent strength and durability make it suitable for applications demanding high tensile strength and long-term reliability under severe operating conditions.
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. Apply appropriate lubricant if required by the application to prevent galling, especially in stainless steel. 3. Tighten the screw to the specified torque using a calibrated torque wrench to achieve optimal clamping force without overstressing the fastener.
| 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) | 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) |
|---|---|---|
| M21 | Check Calculator | Reduce by 25% |
| Size / Type | Est. Weight (lbs/100) | Shipping Weight (kg) |
|---|---|---|
| M21 | Varies by dimension | Contact Sales |
| Environment | Rating |
|---|---|
| Indoor / Dry | Excellent |
| Outdoor / Exposed | Excellent |
| Marine / Saltwater | Excellent |
| Chemical / Acidic | Good |
| ❌ Mistake | ✅ Correct Approach |
|---|---|
| Using the wrong size wrench, leading to head damage or improper tightening. | Always use a wrench that precisely fits the 9mm hex head to ensure proper torque application and prevent damage. |
| Not cleaning mating surfaces, which can lead to reduced clamping force and potential galling. | Thoroughly clean both the screw threads and the receiving threads before installation. |
A: This Hex Head Cap Screw, 316 Stainless Steel is manufactured from 316 Stainless Steel.
A: Marine and offshore equipment construction, Chemical processing plants and pipelines, Food and beverage processing machinery, Wastewater treatment facilities, Outdoor architectural and structural elements.
Conversion factor: 1 ft-lb ≈ 1.356 Nm
| Status | Mating Component | Standard | Torque Spec | Engineering Notes |
|---|---|---|---|---|
| No verified compatibility data found for this component. | ||||