Metric hex head bolt class 8.8 ASTM A325M M22
Product description
Product Description
Specifications
Metric hex head bolt class 8.8 ASTM A325M M22
1..Constructure Hign Tensile Bolt
2.Advanced equipment and professional producti
Specification:
1.Main Size: M22,length:35mm~1200mm or according to the request of customers;
2.Material:Carbon steel or alloy steel;
3.Standard: A325M
4.The Mechanical Grade:8.8; (hot Forging)
5.Surface finishes:Zinc-plated(Black or Plain),Hot dip galvanizing,Dacromet,etc;
6.Usage: steel structures,such as multi-floor&high-rise steel structure buildings,industrial buildings,high way,railway,steel steam,tower,power station,airport and other structure workshop frames.
7.Usage: steel structures,such as multi-floor&high-rise steel structure buildings,industrial buildings,high way,railway,steel steam,tower,power station,airport and other structure workshop frames.
All products we can do as per international standard as customer's request with high quality and best price. Welcome your inquiries!
| Coarse Thread Series - UNC | Fine Thread Series - UNF | 8-Thread Series - 8UN | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Nominal Size and Threads Per In. | Basic Pitch Dia. | Section at Minor Dia. | Tensile Stress Area | Nominal Size and Threads Per In. | Basic Pitch Dia. | Section at Minor Dia. | Tensile Stress Area | Nominal Size and Threads Per In. | Basic Pitch Dia. | Section at Minor Dia. | Tensile Stress Area |
| In. | Sq in. | Sq in. | In. | Sq in. | Sq in. | In. | Sq in. | Sq in. | |||
| 3⁄8 - 16 | 0.3344 | 0.0678 | 0.0775 | 3⁄8 - 24 | 0.3479 | 0.0809 | 0.0878 | -- -- | -- | -- | -- |
| 7⁄16 - 14 | 0.3911 | 0.0933 | 0.1063 | 7⁄16 - 20 | 0.4050 | 0.1090 | 0.1187 | -- -- | -- | -- | -- |
| 1⁄2 - 13 | 0.4500 | 0.1257 | 0.1419 | 1⁄2 - 20 | 0.4675 | 0.1486 | 0.1599 | -- -- | -- | -- | -- |
| 9⁄16 - 12 | 0.5084 | 0.162 | 0.182 | 9⁄16 - 18 | 0.5264 | 0.189 | 0.203 | -- -- | -- | -- | -- |
| 5⁄8 - 11 | 0.5660 | 0.202 | 0.226 | 5⁄8 - 18 | 0.5889 | 0.240 | 0.256 | -- -- | -- | -- | -- |
| 3⁄4 - 10 | 0.6850 | 0.302 | 0.334 | 3⁄4 - 16 | 0.7094 | 0.351 | 0.373 | -- -- | -- | -- | -- |
| 7⁄8 - 9 | 0.8028 | 0.419 | 0.462 | 7⁄8 - 14 | 0.8286 | 0.480 | 0.509 | -- -- | -- | -- | -- |
| 1 - 8 | 0.9188 | 0.551 | 0.606 | 1 - 12 | 0.9459 | 0.625 | 0.663 | 1 - 8 | 0.9188 | 0.551 | 0.606 |
| 11⁄8 - 7 | 1.0322 | 0.693 | 0.763 | 11⁄8 - 12 | 1.0709 | 0.812 | 0.856 | 11⁄8 - 8 | 1.0438 | 0.728 | 0.790 |
| 11⁄4 - 7 | 1.1572 | 0.890 | 0.969 | 11⁄4 - 12 | 1.1959 | 1.024 | 1.073 | 11⁄4 - 8 | 1.1688 | 0.929 | 1.000 |
| 13⁄8 - 6 | 1.2667 | 1.054 | 1.155 | 13⁄8 - 12 | 1.3209 | 1.260 | 1.315 | 13⁄8 - 8 | 1.2938 | 1.155 | 1.233 |
| 11⁄2 - 6 | 1.3917 | 1.294 | 1.405 | 11⁄2 - 12 | 1.4459 | 1.521 | 1.581 | 11⁄2 - 8 | 1.4188 | 1.405 | 1.492 |
| -- -- | -- | -- | -- | -- -- | -- | -- | -- | 15⁄8 - 8 | 1.5438 | 1.68 | 1.78 |
| 13⁄4 - 5 | 1.6201 | 1.74 | 1.90 | -- -- | -- | -- | -- | 13⁄4 - 8 | 1.6688 | 1.98 | 2.08 |
| -- -- | -- | -- | -- | -- -- | -- | -- | -- | 17⁄8 - 8 | 1.7938 | 2.30 | 2.41 |
| 2 - 41⁄2 | 1.8557 | 2.30 | 2.50 | -- -- | -- | -- | -- | 2 - 8 | 1.9188 | 2.65 | 2.77 |
| 21⁄4 - 4-1⁄2 | 2.1057 | 3.02 | 3.25 | -- -- | -- | -- | -- | 21⁄4 - 8 | 2.1688 | 3.42 | 3.56 |
| 21⁄2 - 4 | 2.3376 | 3.72 | 4.00 | -- -- | -- | -- | -- | 21⁄2 - 8 | 2.4188 | 4.29 | 4.44 |
| 23⁄4 - 4 | 2.5876 | 4.62 | 4.93 | -- -- | -- | -- | -- | 23⁄4 - 8 | 2.6688 | 5.26 | 5.43 |
| 3 - 4 | 2.8376 | 5.62 | 5.97 | -- -- | -- | -- | -- | 3 - 8 | 2.9188 | 6.32 | 6.51 |
| 31⁄4 - 4 | 3.0876 | 6.72 | 7.10 | -- -- | -- | -- | -- | 31⁄4 - 8 | 3.1688 | 7.49 | 7.69 |
| 31⁄2 - 4 | 3.3376 | 7.92 | 8.33 | -- -- | -- | -- | -- | 31⁄2 - 8 | 3.4188 | 8.75 | 8.96 |
| 33⁄4 - 4 | 3.5876 | 9.21 | 9.66 | -- -- | -- | -- | -- | 33⁄4 - 8 | 3.6688 | 10.11 | 10.34 |
| 4 - 4 | 3.8376 | 10.61 | 11.08 | -- -- | -- | -- | -- | 4 - 8 | 3.9188 | 11.57 | 11.81 |
We warmly welcome both domestic and overseas clients to inspect, instruct and develop the technical communication and business cooperation , and will promise you best product with excellent service at competitive price!
Projects Supply:
Shanghai Tunnel Co., Ltd.: the 2nd tunnel line:Supply high strength and stainless steel fastener.
· Shanghai Waigaoqiao Power Plant: Stainless steel bolts and high strength bolts.
· The longest cross-sea bridge——Hangzhou Bay Bridge, which has a total length of 36KM:Supply all the hex bolts.
· Ethylene project of Sinopec Zhenhai Refining&Chemical Company: stainless steel studs and bolts.
· Shenzhen 5th Metro line of China Railway Group: high strength bolts.
· Zhoushan Islands Island Bridge: stainless steel bolts and high strength bolts.
· Shanghai Donghai Bridge: stainless steel bolts and high strength bolts.
· Shanghai's Chongming Island Bridge: high strength bolts.
· The corss-sea bridge—Hongkong to Shenzhen:supply stainless steel bolts A4-80.
· Panasonic Power Station Phase II Project in Japan: Supply large size steel studs.
·The biggest Thermal power plant Phase II Project in Taiwan: Heavy hex bolts and structural parts.
·Hong Kong Biggest Installation Company: Shenzheng-Hongkong Bridge, Hong Kong Western channels, Supply high grade stainless steel fastener.
· Light Rail and Petroleum Pipeline Project in Middle East: Supply high strength and stainless steel fastener
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