Engineered for superior performance, this M4x25mm Hex Head Cap Screw, crafted from premium 316 stainless steel, offers exceptional corrosion resistance. Its robust design ensures secure and reliable fastening in a wide array of industrial applications.
| Standard | ASTM A106 |
| Material | 316 Stainless Steel |
| Finish | Anodized |
| Grade | N/A |
| Size | M4 |
| Length | 25mm |
| Head Width | 24mm |
A proven choice for industrial professionals, this M4x25mm Hex Head Cap Screw is manufactured from marine-grade 316 stainless steel, renowned for its superior resistance to pitting and crevice corrosion, particularly in chloride-rich environments. The M4 thread standard ensures compatibility with standard metric components, while the 25mm length provides adequate grip for most assemblies. The substantial 24mm head width allows for high torque application, preventing slippage and ensuring a secure, long-lasting joint. Its inherent strength and durability make it ideal for applications exposed to harsh chemicals, saltwater, or extreme temperatures.
This component strictly adheres to the tolerances, material specifications, and quality benchmarks set by the world's leading industrial manufacturers.
1. Select the appropriate socket wrench or driver bit matching the M4 hex head. 2. Clean the mating threads of both components to remove any debris or contaminants. 3. Insert the screw and hand-tighten to engage the threads smoothly. 4. Use the wrench to tighten the screw to the required torque specification, ensuring a secure and stable connection.
| 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) |
|---|---|---|
| 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 | Excellent |
| Chemical / Acidic | Good |
| ❌ Mistake | ✅ Correct Approach |
|---|---|
| Over-tightening the screw, which can strip the threads or damage the mating material. | Always use a torque wrench and adhere to recommended torque values for the specific application and materials being joined. |
| Using the wrong size driver, leading to cam-out and potential damage to the screw head. | Ensure the socket or driver bit precisely fits the hex head to maximize engagement and prevent slippage. |
A: This Hex Head Cap Screw, 316 Stainless Steel is manufactured from 316 Stainless Steel.
A: Marine hardware and equipment assembly, Chemical processing plant components, Food processing machinery, Outdoor structural applications, Medical device manufacturing.
Conversion factor: 1 ft-lb ≈ 1.356 Nm
| Status | Mating Component | Standard | Torque Spec | Engineering Notes |
|---|---|---|---|---|
| No verified compatibility data found for this component. | ||||