Engineered for superior performance, this M16 x 39mm hex cap screw is forged from premium 316 stainless steel. Offering exceptional corrosion resistance and mechanical strength, it's the ideal choice for critical fastening applications.
| Standard | ASTM A106 |
| Material | 316 Stainless Steel |
| Finish | Plain |
| Grade | N/A |
| Size | M16 |
| Length | 39mm |
| Head Width | 25mm |
Built to exacting engineering tolerances, this M16 x 39mm hex head cap screw boasts a nominal diameter of 16mm and a shank length of 39mm. The head features a 25mm width across flats for secure torque application. Fabricated from 316 stainless steel, it exhibits superior resistance to pitting, crevice corrosion, and general corrosion in aggressive media such as saltwater and chemical processing environments due to its molybdenum content. This makes it ideal for marine, food processing, and chemical plant installations where reliability and longevity are paramount.
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 of debris. 2. Apply a suitable lubricant or anti-seize compound if required by the application. 3. Insert the screw and engage the mating threads. 4. Tighten the screw to the specified torque value using an appropriate wrench on the hex head.
| Standard System | Designation |
|---|---|
| ISO Equivalent | ISO 898-1 / ISO 4014 |
| DIN Equivalent | DIN 931 / DIN 933 |
| Primary Standard | ASTM A106 |
| 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) |
|---|---|---|
| M16 | Check Calculator | Reduce by 25% |
| Size / Type | Est. Weight (lbs/100) | Shipping Weight (kg) |
|---|---|---|
| M16 | 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 stripped hex heads. | Always use a wrench that precisely fits the 25mm hex head to prevent damage and ensure proper torque application. |
| Over-tightening, which can lead to thread stripping or fastener failure. | Consult engineering specifications for the correct torque values and use a calibrated torque wrench. |
| Using standard carbon steel fasteners in corrosive environments. | Always specify 316 stainless steel for environments prone to corrosion to ensure long-term integrity and prevent premature failure. |
A: This Hex Head Cap Screw, 316 Stainless Steel is manufactured from 316 Stainless Steel.
A: Marine and offshore equipment, Food and beverage processing machinery, Chemical processing plants, Pharmaceutical manufacturing 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. | ||||