This M20 x 89mm carbon steel hex head cap screw offers robust fastening for demanding industrial and mechanical applications. Its durable construction ensures secure connections and long-lasting performance in various environments.
| Standard | ASTM A106 |
| Material | Carbon Steel |
| Finish | Passivated |
| Grade | N/A |
| Size | M20 |
| Length | 89mm |
| Head Width | 17mm |
Engineered for reliability and performance, this M20 x 89mm hex head cap screw is manufactured from high-grade carbon steel, offering excellent tensile strength and shear resistance suitable for moderate to heavy-duty load-bearing applications. The 17mm hex head width ensures positive engagement with standard socket wrenches for controlled tightening and reliable torque transfer. Its precise dimensions and material composition make it ideal for machinery assembly, structural components, and equipment repair where consistent performance and durability are paramount.
This component strictly adheres to the tolerances, material specifications, and quality benchmarks set by the world's leading industrial manufacturers.
1. Clean the mating surfaces and threaded hole to remove debris. 2. Insert the cap screw by hand, ensuring it threads smoothly. 3. Tighten the cap screw using an appropriately sized socket wrench to the recommended torque specification.
| Standard System | Designation |
|---|---|
| ISO Equivalent | ISO 898-1 / ISO 4014 |
| DIN Equivalent | DIN 931 / DIN 933 |
| Primary Standard | ASTM A106 |
| 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 | Moderate |
| Marine / Saltwater | Not Recommended |
| Chemical / Acidic | Not Recommended |
| ❌ Mistake | ✅ Correct Approach |
|---|---|
| Over-tightening the screw, which can strip threads or weaken the fastener. | Use a torque wrench to adhere to manufacturer-specified torque values. |
| Using the wrong size socket, potentially damaging the hex head or leading to improper tightening. | Always use a socket that precisely matches the 17mm head width. |
A: This Hex Head Cap Screw, Carbon Steel is manufactured from Carbon Steel.
A: Industrial machinery assembly, Structural steel connections, Automotive and heavy equipment repair.
Conversion factor: 1 ft-lb ≈ 1.356 Nm
| Status | Mating Component | Standard | Torque Spec | Engineering Notes |
|---|---|---|---|---|
| No verified compatibility data found for this component. | ||||