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Yushung's silicon bronze Fin Neck bolts Flat Head are as follows:
Material:C65500 high silicon bronze
Manufacturing standard:ANSI/ASME B18.5
Packing:polybag and carton.
Main specifications:
1/4"-20 x 1" to 12".
5/16"-18 x 1" to 16".
3/8"-16 x 2" to 25"
7/16"-14 x 2" to 25"
1/2"-13 x 2" to 25"
5/8"-11 x 3" to 36"
3/4"-10 x 4" to 36"
All are full body with cuttingl threads.
