Concave Lock Nuts

According to the technical drawing provided by customer.

Grade 2

Size:1/2", 5/8", 3/4"

Oversize Tapped.

Hot Dip Galvanized

Ruihong Group.
Industrial zone,Wuxing,Huzhou,China
(86) 572-2373192
(86) 18006626989

ruihongco@yeah.net