Engineered for robust structural connections, this M16 x 129mm hex cap screw features a hardened carbon steel construction and a 17mm hex head. It provides superior torque and load-bearing capacity for demanding industrial environments.
| Standard | ASTM A106 |
| Material | Carbon Steel |
| Finish | Passivated |
| Grade | N/A |
| Size | M16 |
| Length | 129mm |
| Head Width | 17mm |
Built to exacting engineering tolerances, this M16 x 129mm hex head cap screw is manufactured from high-grade carbon steel, offering excellent tensile strength and shear resistance. The 17mm hex head ensures optimal wrench engagement for secure tightening and efficient torque application. This fastener is designed to withstand significant mechanical stress, making it ideal for heavy-duty assembly, machinery construction, and structural framing where reliability and durability are paramount. Its precise dimensions guarantee consistent performance and compatibility with standard M16 mating components.
This component strictly adheres to the tolerances, material specifications, and quality benchmarks set by the world's leading industrial manufacturers.
1. Select appropriate torque wrench and socket size (17mm). 2. Ensure mating threads are clean and free of debris. 3. Thread the cap screw into the designated hole until finger tight, then apply the specified torque using the torque wrench.
| 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) |
|---|---|---|
| M16 | Check Calculator | Reduce by 25% |
| Size / Type | Est. Weight (lbs/100) | Shipping Weight (kg) |
|---|---|---|
| M16 | 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 cap screw, leading to thread stripping or fastener failure. | Always adhere to the recommended torque specifications for the application and material. |
| Using an incorrect socket size, which can damage the hex head and lead to improper torque application. | Utilize a 17mm socket specifically designed for hex head fasteners. |
A: This Hex Head Cap Screw, Carbon Steel is manufactured from Carbon Steel.
A: Heavy machinery assembly, Structural steel construction, Automotive and aerospace 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. | ||||