Structural High Strength Bolts HDG Heavy Hex Cap Screw Coarse 2A

Brand Name:XGFH
Certification:ISO9001,3.1CERT.
Model Number:ASTM A325
Minimum Order Quantity:100PCS
Delivery Time:5-20work days
Payment Terms:T/T, L/C
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Address: No.64-66, Wujin 8th Street, Jiangyin City, China
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Medium-Strength Steel Heavy Hex Head Screws for Structural Applications


The most common heavy hex head screw, these steel screws meet ASTM A325 regulations for structural joints, such as mating I-beams and scaffolding. Material meets ASTM F3125 specifications for quality. Dimensions meet ASME B18.2.6 specifications. Length is measured from under the head.

Usually fit with ASTM A194 2H Nut and F436 Washer.

Partially threaded screws come with precise threaded and unthreaded portions, allowing you to place only the stronger unthreaded portion (grip) in joints subjected to sideways forces.

Hot-dipped galvanized screws have a thick coating for excellent corrosion resistance. To ensure compatibility, use these screws with hot-dipped galvanized steel nuts.


Heavy hex structural bolts
ASTM A325/ A490 ASME/ANSI B18.2.6-2011
d(inch)1/25/83/47/811-1/81-1/41-3/81-1/2
P(inch)131110987766
ds(inch)min0.4820.6050.7290.8520.9761.0981.2231.3451.47
max0.5150.6420.7680.8951.0221.1491.2771.4041.531
s(inch)Nom7/81-1/161-1/41-7/161-5/81-13/1622-3/162-3/8
min0.851.0311.2121.3941.5751.7561.9382.1192.3
max0.8751.0621.251.4381.6251.81222.1882.375
e(inch)min0.9691.1751.3831.5891.7962.0022.2092.4162.622
max1.011.2271.4431.661.8762.0932.3092.5262.742
k(inch)Nom5/1625/6415/3235/6439/6411/1625/3217/3215/16
min0.3020.3780.4550.5310.5910.6580.7490.810.902
max0.3230.4030.4830.5630.6270.7180.8130.8780.974
b(inch)Ref.11.251.381.51.75222.252.25

China Structural High Strength Bolts HDG Heavy Hex Cap Screw Coarse 2A supplier

Structural High Strength Bolts HDG Heavy Hex Cap Screw Coarse 2A

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