Engineered for superior load-bearing capacity, this M8x30mm Hex Head Cap Screw from high-tensile carbon steel offers exceptional strength and reliability for critical structural and mechanical connections.
| Standard | DIN 933 |
| Material | Carbon Steel |
| Finish | Zinc Plated |
| Grade | N/A |
| Size | M8 |
| Length | 30mm |
| Head Width | 30mm |
Purpose-built for heavy-duty applications, this M8x30mm Hex Head Cap Screw is manufactured from premium carbon steel, ensuring exceptional tensile strength and shear resistance. The M8 metric thread size and 30mm length provide precise fitment, while the substantial 30mm head width facilitates high torque application with standard tooling. This robust fastener is ideal for machinery assembly, structural frameworks, and any application demanding unwavering joint integrity under significant stress.
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 or socket matching the M8 hex head dimensions. 2. Align the screw with the pre-drilled or tapped receiving hole, ensuring smooth thread engagement. 3. Apply steady, even torque until the desired clamping force is achieved, avoiding over-tightening which can damage threads or the workpiece.
| Standard System | Designation |
|---|---|
| ISO Equivalent | ISO 898-1 / ISO 4014 |
| DIN Equivalent | DIN 931 / DIN 933 |
| Primary Standard | DIN 933 |
| Tensile Strength | Standard Commercial Spec |
| Yield Strength | Standard Commercial Spec |
| Hardness | Varies by specific batch |
| Carbon (C) | 0.28 - 0.55% |
| Manganese (Mn) | 0.60 - 0.90% |
| Phosphorus (P) | 0.04% max |
| Sulfur (S) | 0.05% 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 | Not Recommended |
| Chemical / Acidic | Not Recommended |
| ❌ Mistake | ✅ Correct Approach |
|---|---|
| Using the wrong size wrench, leading to stripped hex heads. | Always use a correctly sized and well-maintained wrench or socket to ensure proper engagement with the hex head. |
| Over-tightening the screw, potentially causing thread damage or material fatigue. | Apply torque gradually and stop when a secure connection is made. For critical applications, use a torque wrench to adhere to specified torque values. |
A: This Hex Head Cap Screw, Carbon Steel is manufactured from Carbon Steel.
A: Heavy Machinery Assembly, Structural Steel Connections, Automotive Repair and 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. | ||||