Fasteners
Industrial Fasteners
Hex bolts, stud bolts, nuts, washers, and threaded rods in carbon steel, stainless steel, and exotic alloys.
Overview
Bolting and fasteners for flanged joints and structural connections, supplied to ASTM and DIN standards across high-temperature, low-temperature, and corrosion-resistant grades — with coating options for field durability.
Types & Configurations
Stud Bolts & Hex Bolts
ASTM A193 B7, B8, B8M, B16 for high-temperature / high-pressure bolting.
Heavy Hex Nuts
ASTM A194 2H, 8, 8M heavy hex nuts matched to bolt grades.
Low-Temperature Bolting
ASTM A320 L7 / L7M for low-temperature and cryogenic service.
Washers & Threaded Rods
Plain and spring washers, threaded rods, and DIN 931/933/934 fasteners.
Available Services
- Hot-dip galvanising and PTFE/Xylan coating
- Mechanical and PMI testing with certificates
- Custom thread lengths and special alloys
- Kitting and bagging per flange joint
Specifications
- Diameter
- M6 to M64 / ¼" to 4"
- Coating
- Plain / Zinc / PTFE / HDG / Xylan
- Length
- As per project specification
- Class
- 8.8 / 10.9 / B7 / B8
Applicable Grades
ASTM A193 B7 / B16ASTM A193 B8 / B8M (SS)ASTM A194 2H / 8 / 8MASTM A320 L7DIN 931 / 933 / 934
Standards
- ASTM A193 / A194 / A320
- ASME B18.2.1 / B18.2.2
- DIN 931 / 933 / 934
- ISO 4014 / 4032