![M12/M16 Fin Neck Bolt [SINOFASTENER]](https://www.tank-bolt.com/uploads/20260120/3a2993a145c45a4edd727635d2372761.jpg)
Global Specialist in Fin Bolt / Silo Bolt for Storage Tanks
High‑strength bolts, nuts and washers for bolted steel silos and storage tanks.
Products Description
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| Size | M12*30 M12*35 M12*40 M12*50 M12*60 M16*55 M16*63 |
| Color | Red/Yellow/ Blue/ Green/ Black/ white/ Gray |
| Material | Carbon Steel Grade 8.8/10.9 ; Stainless steel 304 |
| Surface treatment | Hot-Dip Galvanized (HDG) ; Dacromet |
| Head design | Fin Neck |
| Applicable plate thickness | 16-2mm / 10-18mm |
| Tensile strength | ≥ 800 MPa |
| Salt spray test | >1000 hours |
| Sealing gasket | EPDM / NBR / ABS / PP |
Temperature range | -40°C ~ +80°C |
Brand | FAST |
Quality traceability | Provide quality inspection reports for each batch ； O1PB is available in the United States region |
| Certification certificate | ISO 9001:2015 EN 15048 CE certification NSF/ANSI 61 Certified (safe for use in drinking water storage tanks) ISO 14067 （Carbon Footprint Declaration） |
【 Applicable industries 】
✓ Water treatment projects (drinking water, sewage treatment plants)
✓ Agricultural storage (grain silos, liquid fertilizer storage tanks)
✓ Petrochemical industry (crude oil storage tanks, chemical storage tanks)
✓ Industrial manufacturing (cement silos, powder storage tanks)
【 Applicable Environment】
✓ Desert high temperature environment (Middle East region)
✓ Coastal high humidity environment (Southeast Asia)
✓ Cold regions (North America, Northern Europe)
✓ Chemical corrosion environment
【Problem Solved】
✓ Prevent water/oil leakage at the joints of tank panels
✓ Resist loosening caused by long-term vibration and temperature differences
✓ Maintain long-term stability in corrosive media
✓ Meets drinking water safety standards
OUR ADVANTAGE
Industry Authority
FAST® Zhonglian is the first manufacturer in China to obtain dual EN 14399 & EN 15048 (SB Bolts) certifications .
Our silo bolts meet ASTM Grade 8 (150,000 PSI) and ISO 10.9 high-tensile standards .
NSF/ANSI 61 & 372 Certified (Lead-Free)
ISO 9001:2015 Quality Management
Green Supply Chain
Committed to ESG goals, we provide verified ISO 14067 Product Carbon Footprint statements.
Our screws feature a verified GHG emission of 7027.78 kg CO2e per tonne .
Traceable manufacturing via Intelligent Cloud Management System .
Global Presence
Supporting mega-infrastructure from Dubai Tower to the Riyadh Cables Group.
Local support available via our global hubs:
📍Middle East:Dubai Branch
📍Asia:Malaysia & Indonesia
Brand Identity: FAST® | 01PB (US Registered)