FASTENERS

Customized Fastener Manufacturing with Certified Quality and Full Traceability

  • 25 Years of Manufacturing Experience
  • Direct Manufacturer, Competitive Cost
    • Ensure stable quality, cost efficiency, and reliable lead time
  • Custom Solutions for Extreme Enviroment
    • In-house production & testing technology
    • Third Party Inspection
  • Wide Standards & Materials Coverage
    • Certified API 20E Bolt China, compliance with PED 4.3, BV SMS.W.II and other international standards, with 800+ tons of material inventory
  • Surface Treatment Capabilities to Ensure High Performance
API 20E Bolt China, PTFE Fasteners, A193 B7
A193 B7
A194 2H
A320 L7 anchor bolt
A194 2H

PRODUCTS STANDARDS and GRADE

We provide bolts and nuts matching to ensure a high strength and reliable fastening solution for high pressure, extreme temperature and corrosive enviroment such as:

  • ASTM A193 B7 – ASTM A194 2H for High Strength and Temperature pressure vessels, valves, and pipelines
  • ASTM A193 B8 (SS304) – ASTM A194 8 for High Strength and Corrosion Resistance
  • ASTM A320 L7 – ASTM A194 7 for Low Temperature Sets
MaterialBolt Standard & GradeNut Standard & GradeDiameter
Alloy SteelASTM A193 B7, B7MASTM A194 2H, 2HM1/2" - 4"
ASTM A193 B16ASTM A194 7L1/2" - 4"
ASTM A320 L7, L7M, L43ASTM A194 7L, 7ML1/2" - 2 1/2"
Stainless SteelASTM A193 B8, B8M, B8T, B8MLN, B8CLNCuB, B8MLCuN, B8ML4CuN
(Class 1, 1A, 1B, 1C, 1D, 2, 2B, 2C)
ASTM A194 8, 8A, 8M, 8MA, 8T, 8MLN, 8CLNCuB, 8MLCuN, 8ML4CuN1/2" - 4"
ASTM A320 B8, B8M, B8T, B8MLN
(Class 1, 1A, 2)
ASTM A194 8, 8A, 8M, 8MA, 8T, 8MLN1/2" - 4"
High Temperature Stainless SteelASTM A453 660 (Class A, B, C, D)1/2" - 4"
Super DuplexASTM A1082 : UNS 32750, 32760S1/2" - 4"
Non-FerrousASTM F468 : UNS C63000 - Nickel Aluminium Bronze Alloy1/2" – 1 1/2"
High Temperature SteelEN10269 : 20CrMoVTiB4-10 / 1.77291/2" - 4"
CRAMonel K500 - Nickel Copper Alloy
Inconel : 625, 718, 925 - Nickel Chromium Superalloy (NORSOK M-650)
1/2" - 4"
Carbon / Alloy SteelBS EN ISO 898: Grade 8.8, 10.9, 12.9BS EN ISO 898: Class 8, 10, 12M6 – M100

SURFACE COATING

Enhanced Corrosion Resistance & Durability

We offer a viraty of coatings including

  • PTFE fasteners – Xylan fasteners
  • zinc electroplating
  • hot-dip galvanizing,
  • hot-dip aluminum,
  • dacromet,
  • cadmium plating,
  • phosphate