DIN 603 Grade 4.8/8.8 Zinc Plated Carriage Bolts

DIN 603 Grade 4.8/8.8 Zinc Plated Carriage Bolts

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Product Tags

zinc plated Carriage Bolts/ cup head bolts/Mushroom Head Square Neck Bolts
   

A carriage bolt, coach bolt or round head square neck boltis a form of bolt.
It is distinguished from other bolts by its head: the shank of the bolt is circular for most of its length, as usual, but the portion immediately beneath the head is formed into a square section.This makes the bolt self-locking when placed through a square hole, or a round hole in most wood. This allows the fastener to be installed with only a single tool, a spanner or wrench, working from one side. The head of a carriage bolt is usually a shallow dome. The squared section is of the same size as the diameter of the bolt shank, with a plain unthreaded shank.
Carriage bolts were developed for use through iron strengthening plates on either side of a wooden beam. It is commonplace though to use them into bare timber, the squared section giving enough grip to prevent rotation.

Products name

 Carriage Bolts
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
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
Pls feel free to contact with me!

DIN 603 Grade 4.8/8.8 Zinc Plated Carriage Bolts

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