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A U-bolt is a bolt in the shape of the letter U with screw threads on both ends. U-bolts have primarily been
used to support pipework, pipes which fluids and gasses pass through. As such, U-bolts were measured
using pipe work engineering speak. A U-bolt would be described by the size of pipe it was supporting.
For example, a 40 Nominal Bore U-bolt would be asked for by pipe work engineers, and only they would
know what that meant. In reality, the 40 nominal bore part bears little resemblance to the size and
dimensions of the u-bolt. The nominal bore of a pipe is actually a measurement of the inside diameter of
the pipe. Engineers are interested in this because they design a pipe by the amount of fluid / gas it can transport.
| Standard: |
DIN,ASTM/ANSI JIS EN ISO,AS,GB |
| Material |
Stainless Steel: SS201, SS303, SS304, SS316,SS316L,SS904L,F593 |
| Steel Grade: DIN: Gr.4.6,4.8,5.6,5.8,8.8,10.9,12.9; SAE: Gr.2,5,8; ASTM: 307A,307B,A325,A394,A490,A449, |
| Finishing |
Zinc(Yellow,White,Blue,Black),Hop Dip Galvanized(HDG),Black Oxide,
Geomet,Dacroment,anodization,Nickel plated,Zinc-Nickel plated |
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Production
Process |
M2-M24:Cold Froging,M24-M100 Hot Forging,
Machining and CNC for Customized fastener |
Customized Products
Lead time |
Busy season:15-30days,Slack seaon:10-15days |
| Stock Products |
Steel:4.8Grade DIN6923,8.8Grade 10.9Grade of GB5783 and GB5782
Stainless steel: All DIN Standard stainless steel Bolt |
| Free Samples for standard fastener |
| For more information visit: |
 
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Professional Manufacturer: All of our Fastener are designed and manufactured according to buyers’ specification and performance.
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Quality is guaranteed: Durability testing and critical technical design to enhance fasteners lifetime.
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Cost effective: Competitive prices with factory directly supply
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Perfect fastening solution with 20 years experiences to solve your problem: Wide range of parts selection.
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Customized Ideal Fasteners: customized services according to the samples and drawings offered.
If you are not sure about what exactly you need - feel free to contact us anytime and get professional assistance from us.
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Groupes de Produits : Boulons Hex > U Bolt
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