Engineered for robust fastening, this M4x70mm hex head cap screw is constructed from high-grade 304 stainless steel. Its superior corrosion resistance and tensile strength make it ideal for critical applications.
| Standard | ISO 9001 |
| Material | 304 Stainless Steel |
| Finish | Galvanized |
| Grade | N/A |
| Size | M4 |
| Length | 70mm |
| Head Width | 32mm |
Trusted by engineers across multiple sectors, this M4x70mm hex head cap screw offers exceptional performance. Fabricated from premium 304 stainless steel, it provides excellent resistance to corrosion, pitting, and crevice corrosion in harsh environments. The substantial 32mm head width ensures secure torque application and load distribution. This fastener meets stringent industry standards for tensile strength and durability, making it a reliable choice for marine, chemical processing, and food and beverage industries.
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 torque using a calibrated wrench, adhering to design specifications. 3. Visually inspect for proper seating and thread engagement.
| 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) | 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) |
|---|---|---|
| M4 | Check Calculator | Reduce by 25% |
| Size / Type | Est. Weight (lbs/100) | Shipping Weight (kg) |
|---|---|---|
| M4 | Varies by dimension | Contact Sales |
| Environment | Rating |
|---|---|
| Indoor / Dry | Excellent |
| Outdoor / Exposed | Excellent |
| Marine / Saltwater | Good |
| Chemical / Acidic | Not Recommended |
| ❌ Mistake | ✅ Correct Approach |
|---|---|
| Over-tightening, leading to thread stripping or material deformation. | Utilize a torque wrench set to the manufacturer's recommended specification for the fastener and mating material. |
| Using incompatible materials for mating components, risking galvanic corrosion. | Always pair 304 stainless steel fasteners with compatible materials, such as other stainless steels or suitable plastics, to prevent corrosion. |
A: This Hex Head Cap Screw, 304 Stainless Steel is manufactured from 304 Stainless Steel.
A: Marine and offshore equipment, Chemical processing plants, Food and beverage machinery.
Conversion factor: 1 ft-lb ≈ 1.356 Nm
| Status | Mating Component | Standard | Torque Spec | Engineering Notes |
|---|---|---|---|---|
| No verified compatibility data found for this component. | ||||