+86-755-23894509-816herry@cnzhenya.com

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Jiangsu Zhenya Special Screw Co.,Ltd

Tel: 86-755-23894509

Fax: 86-755-23894519

Atten: henry liu

Email: herry@cnzhenya.com

skype: forcelink.fl

Add: No.8, Yannin Highway, Dainan Town, Xinghua City, Jiangsu, China

Heavy Cap Screw Or Hex Bolts

Heavy Cap Screw Or Hex Bolts

These Heavy Cap Screw Or Hex Bolts have shorter thread lengths than standard heavy hex bolts. Hex head is larger than a standard hex head. These specifications include: A193, A320 and A307B also A325 and A490

Product Details

These Heavy Cap Screw or Hex Bolts have shorter thread lengths than standard heavy hex bolts. Hex head is larger than a standard hex head. These specifications include: A193, A320 and A307B also A325 and A490

Heavy hex bolts can be used for many different applications including construction materials for projects such as docks, bridges, highway structures, and buildings, fastening wood, steel, etc..  Heavy Cap Screw Or Hex Bolts with forged heads are also commonly used as headed anchor bolts.


Dimensions:

3/8" see dimensions above

1/2" to 1-1/4" shall be Heavy Hex Cap Screw- ASME B18.2.1

Larger diameters – Heavy hex cap screws with the following exception per ASTM A193, the maximum body diameter and radius of fillet may be the same as for heavy hex bolt series. For sizes larger than 1-1/4”nominal diameter.

Material & Mechanical Properties: ASTM A193/A193M and ASME SA193/SA193M


Heavy Hex Screws, ASTM A193 B7, Plain

The information below lists the required dimensional, chemical and physical characteristics of the fasteners in this purchase order. If the order received does not meet these requirements, it may result in a supplier corrective action request, which could jeopardize your status as an approved vendor. Unless otherwise specified, all referenced consensus standards must be adhered to in their entirety.

Nominal Size or Basic Product DiameterEFH
Full-Size Body DiameterWidth across FlatsHead Height
Max.Min.Max.Min.Max.Min.
3/80.37500.3750.3600.6880.6690.2430.226
1/20.50000.5000.4820.8750.8500.3230.302
5/80.62500.6250.6051.0621.0310.4030.378
3/40.75000.7500.7291.2501.2120.4830.455
7/80.87500.8750.8521.4381.3940.5630.531
11.00001.0000.9761.6251.5750.6270.591
1-1/81.12501.1251.0981.8121.7560.7180.658
1-1/41.25001.2501.2232.0001.9380.8130.749
1-3/81.37501.4041.3452.1882.1190.8780.81
1-1/21.50001.5311.4702.3752.3000.9740.902
1-3/41.75001.7851.7162.7502.6621.1341.054
22.00002.0391.9643.1253.0251.2631.175
2-1/42.25002.3052.2143.5003.3881.4231.327
2-1/22.50002.5592.4613.8753.7501.5831.479
2-3/42.75002.8272.7114.2504.1121.7441.632
33.00003.0812.9614.6254.4751.9351.815


Thread RequirementsASME B1.1UNC Class 2A-sizes 1" and smaller
ASME B1.1UN8 Class 2A-sizes 1-1/8" and larger
Head MarkingIn accordance with ASTM A193/A193M and ASME SA193/SA193M
Manufacturer ID and B7
FinishLight Protective Oil
Material Test ReportsThe MTR must have documented lot traceability, dimensional results, full chemical test results and full mechanical test results to the specification(s) above


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