| Attribute |
Details |
| Type |
Stud Bolts (Threaded Rods, Double-Ended Studs, Anchor Studs) |
| Material |
- Carbon Steel (ASTM A193 Grade B7, ISO 898-1 Grade 10.9)
- Stainless Steel (304/316, A193 Grade B8/B8M)
- Alloy Steel (ASTM A320 Grade L7 for Low-Temp Use)
- Titanium (Grade 2/5) |
| Finish |
- Zinc Plated (RoHS/REACH Compliant)
- Hot-Dip Galvanized (ASTM A153)
- PTFE Coated (for Chemical Resistance)
- Passivated (Stainless Steel) |
| Thread Type |
- Metric (M6-M100, ISO 965-1)
- Imperial (1/4"-4", UNC/UNF/UNJ)
- API Threads (for Oil & Gas Pipelines)
- Custom Threads (Buttress, Acme) |
| Design |
- Full Thread (ISO 4027)
- Half Thread (ISO 8677)
- Tap Bolt Style (One End Threaded, One End Plain for Anchoring) |
| Length |
- Standard: 50mm–3000mm (Metric); 2"–120" (Imperial)
- Custom Lengths: Up to 6000mm (20ft) for Special Projects |
| Strength Grade |
- Carbon Steel: 8.8, 10.9, 12.9
- Stainless Steel: A2-70, A4-80
- Alloy Steel: ASTM A193 B7 (Tensile Strength: 830 MPa) |
| Standards Compliance |
- ISO 8677 (Stud Bolts)
- ASTM A193/A194 (Pressure Vessel Bolts)
- ASME B1.1 (Unified Thread Standard)
- EN 1090 (Structural Engineering, upon request) |
| Corrosion Resistance |
- Salt Spray Test: 500–1000 Hours (Zinc Coatings)
- Corrosion Resistance: 316SS for Marine/Chemical Environments |
| Packaging |
- Bulk: Bundled in Polypropylene Straps with Labeled Cartons
- Palletized (Securely Wrapped for Long-Distance Shipping)
- Custom: Protective Caps for Thread Ends (MOQ 1000+) |
| Certifications |
- API 20E (Oil & Gas), ASME BPVC (Pressure Vessels)
- RoHS, REACH, CE
- Material Test Reports (MTR) with Ultrasonic Testing (UT) Results |
| Applications |
- Pipeline Flanges (Oil & Gas, Chemical Plants)
- Pressure Vessels, Heat Exchangers
- Structural Steel Connections, Machinery Assembly
- Solar Panel Mounting, Wind Turbine Foundations |
| Minimum Order Quantity (MOQ) |
500 Pieces (Standard Sizes); 1000 Pieces (Custom Threads/Materials) |
| Delivery Time |
10–25 Days (Standard); 30–45 Days (Special Materials/Custom Lengths) |
| Customization |
- Thread Length Ratio (e.g., 2D/3D Threaded Ends)
- Shoulder Studs (Unthreaded Mid-Segment for Alignment)
- Thread Locking Coatings (e.g., Loctite) |
- Industry Compliance: Meets API, ASME, and ISO standards for critical applications like oil & gas pipelines and pressure vessels, ensuring regulatory approval globally.
- Material Versatility: High-temperature (ASTM A193 B8) and low-temperature (A320 L7) grades available for extreme environments.
- Bulk Efficiency: Competitive pricing for large orders, with palletized shipping and custom packaging to reduce logistics costs.
- Precision Engineering: Full/half-thread options and custom shoulder designs improve assembly accuracy in machinery and structural projects.
- Corrosion Solutions: Marine-grade stainless steel and PTFE coatings address harsh environmental challenges in offshore and chemical industries.
Need to emphasize regional standards (e.g., GOST for Russia, JIS for Japan) or add non-destructive testing (NDT) certifications? Let me know!
JH Bolt Co., Ltd is a professional manufacturer of different types of bolts with more than 15 years rich manufacturer experience. The factory area is more than 1500 squares with more than hundreds different types ofnevproduction machines. There are more than 50 people who work here for at least 5 years.With quality &customer frst, staffs second, then company, Our products are widely recog-nized and trusted by users all over the world. Proft for the development of communication, We are here for you 12 hours a day, 7 days a week!
