This M20 x 123mm Hex Head Cap Screw, crafted from robust carbon steel, offers superior tensile strength and durability for demanding fastening applications. Engineered for reliability.
| Standard | DIN 933 |
| Material | Carbon Steel |
| Finish | Zinc Plated |
| Grade | N/A |
| Size | M20 |
| Length | 123mm |
| Head Width | 36mm |
Specified by design engineers worldwide, this M20 x 123mm Hex Head Cap Screw is manufactured from high-grade carbon steel, ensuring exceptional tensile strength and shear resistance. The M20 thread pitch and 123mm length provide ample engagement for secure joint assembly. Its substantial 36mm head width allows for significant torque application using standard wrenches, facilitating robust connections. This fastener is ideal for structural framing, heavy machinery, and applications requiring high load-bearing capacity and long-term performance in challenging environments.
This component strictly adheres to the tolerances, material specifications, and quality benchmarks set by the world's leading industrial manufacturers.
1. Select the appropriate mating component with a tapped hole or clearance hole for a nut. 2. Insert the cap screw through the components to be joined. 3. Tighten the cap screw to the specified torque using a calibrated torque wrench, ensuring proper thread engagement and joint integrity.
| 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) |
|---|---|---|
| M20 | Check Calculator | Reduce by 25% |
| Size / Type | Est. Weight (lbs/100) | Shipping Weight (kg) |
|---|---|---|
| M20 | Varies by dimension | Contact Sales |
| Environment | Rating |
|---|---|
| Indoor / Dry | Excellent |
| Outdoor / Exposed | Excellent |
| Marine / Saltwater | Not Recommended |
| Chemical / Acidic | Not Recommended |
| ❌ Mistake | ✅ Correct Approach |
|---|---|
| Over-tightening the screw, leading to thread stripping or bolt failure. | Always adhere to the manufacturer's recommended torque specifications and use a calibrated torque wrench. |
| Using the wrong size or type of fastener for the application's load requirements. | Consult engineering drawings and load calculations to ensure the correct fastener size, grade, and material are selected. |
A: This Hex Head Cap Screw, Carbon Steel is manufactured from Carbon Steel.
A: Heavy Machinery Assembly, Structural Steel Framing, Automotive Chassis 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. | ||||