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Yushung's silicon bronze carriage bolts are as follows:
Material:C65500 alloy silicon bronze
Manufacturing standard:IFI,DIN,etc.
Packing:polybag and carton.
Main specifications:
#10-24 x 1" to 6".
1/4"-20 x 1" to 12".
5/16"-18 x 1" to 16".
3/8"-16 x 2" to 20"
1/2"-13 x 2" to 20"
5/8"-11 x 3" to 20"
3/4"-10 x 4" to 20"
Full threads or full body with partial threads.