Trailer trailer hitch drop bar

Basic Info

Model No.: 2-5/16" ,1" , 2"

Type: 2" Trailer Ball

Max Payload: 5000LBS

Size: 2" X1"x 2"

Surface Treatment: Chrome /zinc

Color: Silver

Application: Trailer Part Truck Part

Ball Size: 1-7/8" /2" /2-5/16"

Shank Dia: 3/4"/1"/1-1/4"

Shank Length: 2'' - 3"

Material: Alloy Steel

Additional Info

Packaging: Carton

Productivity: 100000 Pieces per Month

Brand: KINMAN

Transportation: Ocean

Place of Origin: CHINA

Supply Ability: 50000 Pieces per Month

Port: NINGBO

Product Description

Trailer trailer hitch drop bar

Trailer Hitch Ball 

The hitch ball has a 2-5/16" 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.

Processing flow:

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.

Heat treatment: Mesh belt furnace , high-frequency quenching , Tempering treatment .

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. 

Specs:

Spring washer and  nut   included
Ball diameter: 2-5/16"
Shank dimensions: 1" diameter x 2" long
M.G.T.W.  5000 lbs