Engineered for superior performance in corrosive and high-stress industrial settings, this M15 x 109mm hex head cap screw is manufactured from premium 316 stainless steel, ensuring exceptional durability and longevity.
| Standard | ASTM A106 |
| Material | 316 Stainless Steel |
| Finish | Galvanized |
| Grade | N/A |
| Size | M15 |
| Length | 109mm |
| Head Width | 11mm |
Designed for demanding industrial environments, this M15 x 109mm hex head cap screw offers robust fastening solutions. Constructed from marine-grade 316 stainless steel, it exhibits superior resistance to pitting, crevice corrosion, and general corrosion, making it ideal for applications involving saltwater, chemicals, and elevated temperatures. The M15 thread size combined with a 109mm length and an 11mm head width provides significant clamping force and secure engagement. Its inherent strength and corrosion resistance make it a critical component in shipbuilding, chemical processing equipment, food and beverage production, and pharmaceutical manufacturing where material integrity is paramount.
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, ensuring it is the correct size (11mm for the head width) and in good condition to prevent stripping. 2. Clean the mating threads of the component and the screw to remove any debris, grease, or contaminants. 3. Insert the cap screw and begin threading by hand to ensure proper engagement and avoid cross-threading. 4. Tighten the cap screw using the wrench or socket to the recommended torque specification for the mating material and application, ensuring a secure and stable joint.
| 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) |
|---|---|---|
| M15 | Check Calculator | Reduce by 25% |
| Size / Type | Est. Weight (lbs/100) | Shipping Weight (kg) |
|---|---|---|
| M15 | Varies by dimension | Contact Sales |
| Environment | Rating |
|---|---|
| Indoor / Dry | Excellent |
| Outdoor / Exposed | Excellent |
| Marine / Saltwater | Excellent |
| Chemical / Acidic | Good |
| ❌ Mistake | ✅ Correct Approach |
|---|---|
| Using an improperly sized wrench, leading to head stripping. | Always use a wrench or socket that precisely matches the 11mm head width of the cap screw for optimal grip and torque application. |
| Cross-threading due to forcing the screw into misaligned or dirty threads. | Initiate threading by hand for at least two full turns to confirm proper alignment and clean all threads before assembly. |
| Over-tightening, which can lead to thread damage or material fatigue. | Consult engineering specifications or use a torque wrench to apply the manufacturer's recommended torque value for the specific application. |
A: This Hex Head Cap Screw, 316 Stainless Steel is manufactured from 316 Stainless Steel.
A: Marine and offshore equipment, Chemical processing plants, Food and beverage machinery, Pharmaceutical manufacturing, Wastewater treatment facilities.
Conversion factor: 1 ft-lb ≈ 1.356 Nm
| Status | Mating Component | Standard | Torque Spec | Engineering Notes |
|---|---|---|---|---|
| No verified compatibility data found for this component. | ||||