Ningbo Rubercenter Rubber Products Co.,Ltd.
The device is placed under the nut to prevent the nut from loosening. It is stated in national standards. The hexagonal slotted nut is designed to be used with a bolt with a hole at the end of the screw to insert the split pin into the hole of the screw..
Address:Room.1806 Golden Mansion, North Xincheng BVD, CBD,Cixi city, Ningbo, China
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