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

Categories High Strength Bolts
Brand Name: XGFH
Model Number: ASTM A325
Certification: ISO9001,3.1CERT.
Place of Origin: China
MOQ: 100PCS
Price: USD0.05-5/PC
Payment Terms: T/T, L/C
Supply Ability: 100000PCS PER MONTH
Delivery Time: 5-20work days
Packaging Details: Bulk into plastic bag and carton box,and then Pallet.
Specification: ASTM A325 TYPE1
Size: ASME/ANSI B18.2.6
Class: Type 1
Finish: Hot dip galvanized
Size system: Inch
Thread tolerance: Coarse 2A
HDG thickness: ≥55μ
Head Marking: XG-A325
Head type: Hex head
Thread direction: Right hand
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Structural High Strength Bolts HDG Heavy Hex Cap Screw Coarse 2A

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

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