This M8 x 136mm Hex Head Cap Screw, crafted from premium 304 stainless steel, offers superior corrosion resistance and robust tensile strength. Its precise dimensions ensure secure and reliable fastening for critical applications.
| Standard | ASTM A106 |
| Material | 304 Stainless Steel |
| Finish | Passivated |
| Grade | N/A |
| Size | M8 |
| Length | 136mm |
| Head Width | 34mm |
Manufactured under strict quality controls, this M8 Hex Head Cap Screw boasts a nominal diameter of 8mm and a substantial length of 136mm, with a precisely machined head width of 34mm for optimal torque application. Constructed from 304 stainless steel, it exhibits excellent resistance to a broad spectrum of corrosive environments, including atmospheric, industrial, and marine applications. This material composition provides good ductility and weldability, making it suitable for dynamic and structural load-bearing assemblies where long-term performance and integrity are 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 tool (e.g., socket wrench) that matches the 34mm head width. 2. Align the M8 threaded end with the receiving tapped hole or nut. 3. Apply steady, even torque to tighten the screw until secure, avoiding over-tightening. 4. Verify proper seating and engagement of the threads for optimal load distribution.
| 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) | 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) |
|---|---|---|
| M8 | Check Calculator | Reduce by 25% |
| Size / Type | Est. Weight (lbs/100) | Shipping Weight (kg) |
|---|---|---|
| M8 | Varies by dimension | Contact Sales |
| Environment | Rating |
|---|---|
| Indoor / Dry | Excellent |
| Outdoor / Exposed | Excellent |
| Marine / Saltwater | Good |
| Chemical / Acidic | Not Recommended |
| ❌ Mistake | ✅ Correct Approach |
|---|---|
| Using an undersized or oversized wrench, leading to stripped head or improper torque. | Ensure the wrench size precisely matches the 34mm head width of the cap screw. |
| Cross-threading the screw, causing damage to both the screw and the mating threads. | Start threading by hand to confirm alignment before applying any significant torque. |
| Over-tightening the screw, which can lead to thread stripping or material fatigue. | Tighten to the manufacturer's recommended torque specifications for the specific application and materials being joined. |
A: This Hex Head Cap Screw, 304 Stainless Steel is manufactured from 304 Stainless Steel.
A: Structural steel assemblies, Marine and offshore equipment, Chemical processing machinery, Food processing equipment, Outdoor architectural 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. | ||||