Bolts & Nuts

BOLT & NUT

Feature

Main Products Items :

• HEAD TYPE BOLTS : HEX, HEAVY HEX, ROUND HEAD T-HEAD, WRENCH, EYE, HINGE Etc
• STUD TYPE BOLTS : FULL THREAD ( 600mm, 1,000mm, 2000mm, 3000mm), DOUBLE END THREAD, BODY BOUND. Etc
  
• NUTS : HEX, HEAVY HEX, FLANGE, EYE, ROUND.
• WASHERS : PLAIN, PLATE, TAPER, SQUARE, SPRING, LOCK

Raw Materials of Main Products

• CARBON STEEL : S10C ~ S45C
• ALLOY STEEL : SCM, SNB, B7, L7, B16, SNCM
• STAINLESS : 304, 316, 310, 304L, 317L, 321, 347, 410, A2, A4, B8, B8M, 8, 8M, B8C, B8T B8 class2, B8M class2
• MONEL : 400, K-500
• SUPER ALLOY : TITANIUM, INCONEL, NICKEL, ZIRCONIUM, INCOLOY, DUPLEX, HASTELLOY, CARPENTER Etc

Production Size Range

• Forged : M10 ~ M64 (1/4" ~ 2-1/2)
• Thread : M6 ~ M100 (1/4" ~ 4")

Specification

1. Applicable ASTM Standards
• A36 Structural Steel
  
• A193 Alloy Steel and Stainless Steel Bolting Materials for High Temperature Service.
  Grade : B6, B7, B7M, B16, B8, B8cl-2, B8M, B8Mcl-2, B8T
  
• A194 Carbon and Alloy Steel Nuts for Bolts for High Pressure and High Temperature Service.
  Grade : 1, 2, 2H, 2HM, 7, 7M, 8, 8M, 8MA, 8T
  
• A307 Carbon Steel Externally Threaded Standard Fasteners.
  Grade : A, B
  
• A320 Alloy Steel Bolting Materials for Low-Temperature Service.
  Grade : L7, L7M, 8, 8M, 8MA,8T, B8, B8M, B8T
  
• A325 (M) High-Strength Bolts for Structural Steel Joints. (Metric)
  Type : 1, 3 ( B, C)
  
• A354 Quenched Tempered Steel Bolts, Studs and Other Externally Threaded Fasteners.
  Grade : BC, BD
  
• A449 Quenched Tempered Steel Bolts.
  Grade : 1, 2
  
• A490 (M)Heat-Treated Steel Structural Bolts. (Metric)
  Type : 1, 2, 3
  
• A563 Carbon and Alloy Steel Nuts.
  Grade : A, C, DH
  
• A563M Carbon and Alloy Steel Nuts. (Metric)
  Grade : 5.9, 8S, 10, 10S, 12
  
• A574 (M) Alloy Steel Socket-Head Cap Screws. (Metric)
  Grade : A, C, DH
  
• B127 Ni-Cu Alloy (UNS04400)
  Grade : MONEL400, K-500
  
• F436 Hardened Steel Washers.
  
• F844 Steel Plain(Flat) Unhardened Washers.

2. Applicable ANSI Standards

• ANSI B. 1. 1 : Unified Inch Screw Threads. (UN and UNR Thread)
  
• ANSI B.18. 2. 1 : Square and Hex Bolts and Screws.
  
• ANSI B.18. 2 . 2 : Square and Hex Nuts.
  
• ANSI B.18. 2. 4 : Metric Heavy Hex Nuts.
  
• ANSI B.18. 3. : Socket Cap, Shoulder and Set Screws-Inch Series.
  
• ANSI B.18. 6. 3 : Machine Screws and Machine Screw Nuts.
  
• ANSI B.18. 15. : Forged Eye Bolts.
  
• ANSI B.18. 21. 1 : Lock Washers.
  
• ANSI B.18. 22. 1 : Plain Washers.