trailer stabilizer jacks boat jack
Trailer Hitch Ball
The hitch ball has a 1-7/8" diameter x 2" long shank with wrench flats.
Raw material : C45. 40Cr , .High strength alloy steel ,We also can customize according to Customer's requirment.
The ball blank: We have all kinds of molding sizes and use high precision friction press to forge the ball blanks
Machining: CNC machine , Processing Center ,coreless grinding machine,Drilling Machine , polishing machine.
High precision wire rolling machine.
Polishing : We have to go through three polishing before Electroplating .
Surface : The hitch ball is chrome plated(Zinc plated,Silver plated, brass plated, Nickel plated) according to industry standard.
And Salt spray test 48-96 Hrs.
Spring washer and nut included
Ball diameter: 1-7/8"
Shank dimensions: 2" diameter x 2" long
M.G.T.W. 3500 lbs
NINGBO KINMAN AUTO PARTS CO.,LTD.
Contact Person: william
Address: No.666 Dongyi North Road , Zhenhai, Ningbo, China,Ningbo,Zhejiang