Screw and Barrel

Product Description

Use Heat treatment and advanced test method for armament canon tube, with our experience for 30 years, we are assure of the fineness, straighteness and hardness of the screw.

Heat treat:

1) Nitrogen steel through nitrogen treatment

2)Alloy steel casting Cr.

3)Alloy steel hardness with chemical heat treatment.

4)Alloy steel surface will embrocate dual-metal, which is reliable and endure corrode.

Measurement:

Diameter: 30-300mm

We supplied screw and Barrel to Mitsubishi Japan, Battenfeld and Cincinnati,

Screw and Barrel offered by Nanjing Technical Electrical Equipment Co. Ltd.

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