Engineered for robust fastening, this M7x55mm hex head cap screw is crafted from premium 304 stainless steel. Offering superior corrosion resistance and tensile strength, it ensures reliable performance in diverse industrial settings.
| Standard | ASME B18 |
| Material | 304 Stainless Steel |
| Finish | Zinc Plated |
| Grade | N/A |
| Size | M7 |
| Length | 55mm |
| Head Width | 16mm |
Specified by design engineers worldwide, this M7x55mm hex head cap screw is manufactured from high-grade 304 stainless steel, renowned for its excellent corrosion resistance, particularly in saline and acidic environments. The nominal diameter is M7, with a thread pitch of 1.0mm (coarse thread). Its overall length measures 55mm, and the hex head features a width of 16mm, designed to accommodate standard metric wrenches for secure tightening. This material composition provides good ductility and formability, making it suitable for a wide range of static and dynamic load applications where long-term integrity is paramount.
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 size (16mm) for the hex head. 2. Ensure the mating threads are clean and free of debris. 3. Thread the cap screw into the receiving hole, applying consistent torque to achieve the desired clamping force without 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) |
|---|---|---|
| M7 | Check Calculator | Reduce by 25% |
| Size / Type | Est. Weight (lbs/100) | Shipping Weight (kg) |
|---|---|---|
| M7 | Varies by dimension | Contact Sales |
| Environment | Rating |
|---|---|
| Indoor / Dry | Excellent |
| Outdoor / Exposed | Excellent |
| Marine / Saltwater | Good |
| Chemical / Acidic | Not Recommended |
| ❌ Mistake | ✅ Correct Approach |
|---|---|
| Using a metric wrench that is too large or too small, leading to stripped head or incomplete torque. | Always use a 16mm metric wrench for this M7 hex head cap screw. |
| Cross-threading the screw, which damages both the screw and the receiving thread. | Carefully align the screw with the thread and start threading by hand to ensure proper engagement before applying wrench torque. |
A: This Hex Head Cap Screw, 304 Stainless Steel is manufactured from 304 Stainless Steel.
A: Marine hardware and boat fittings, Chemical processing equipment, Food processing 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. | ||||