- Overview
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Basic Info.
Packaging & Delivery
Product Description
Product Name | Twist Off Type Tension Control Structural Bolt/Nut/Washer Assemblies |
Place of Origin | China |
Material | Alloy steel: ML40Cr(bolt),SWRCH45K(nut),45#(washer) |
Surface treatment | Hot Dip galvanized,Dacromet,Black,Phosphorus saponification |
Set | 1bolt+1nut+1washer |
Grade | ASTM F3125(Grade F1852) |
Diameter(inch) | 3/4" |
Length(inch) | 1-3/4" |
Head Marking | HYZ A325 TC |
Certificates | CE,SGS,ISO 9001,FPC BC1 |
Available standard | ASTM F2280,JSS II-09:1996,EN14399,GB/T3632-2008 |
1.Dimensions:
2.Mechanical Properties:
1.)Property Grade:
Bolt | Nut | Washer |
f1852 | A563 DH(A194 2H) | F436 |
2.)Mechanical Property Requirements for Specimens Machined from Bolts:
Item | Tensile strength (PSI) | Yield strength (PSI) | Elongation (%) | Reduction of area (%) |
Standard Value | 120 000 | 92 000 | 14 | 35 |
Test result | 135 500 | 109 850 | 15.6 | 52 |
Bolt | Nut | Washer |
HRC25~34 | HRC24~38 | HRC26~45 |
3.Installation Instructions:
1.)25 kgs per carton,36 cartons/900KG per pallet.
2.)1 x 20' GP container can load about 20-28 pallets.
We also support more types of packaging or custom packaging,such Wooden cases, iron barrels ect...
For customization, please do not hesitate to contact us
Hangzhou Jiaxiang Gaoqiang Bolts Co., Ltd. is founded in 2007 with registered capital of RMB 30 million and is professionally engaged in manufacturing high-strength bolts with large hexagon heads for steel structures, torsion and shear type high strength bolts and shear studs.
Located in Jinhua Industrial Park, Xiaoshan District, Hangzhou City, our plant covers an area of 22,000 square meters with convenient transportation and beautiful environment. It's two-hour drive to Shanghai and Ningbo Ports. Our company has strong technical force, advanced production equipments and testing equipments.
Our products cover 8.8S-10.9 S-Class. Our leading products of 10.9S high-strength large hexagon bolt pairs, torsion and shear type bolted pairs and welding studs are mainly used for railways, bridges, large industrial plants, high and super high-rise buildings, convention centers, sports stadiums and other large constructions. The annual production capacity is 1,500 million pieces. We are a member of China General Machine Components Industry Association and Shanghai Association of Fastener Industry Association of Metal Structures, and have passed ISO9001:2000 quality system certification.With high-quality products and reasonable prices, we warmly welcome customers to cooperate with us.