1.Drop forged 2.40Cr or 45#Carbon steel 3.Zinc plated,Chrome plated,Black finished 4.Standard:DIN7444 or JIS 5.S30-S200

About usWe are leading manufacture specialized in designing and manufacturing different kinds of forging wrench in China with the experience of more than 10 years manufacturing according to the ISO9001:2008 quality control system guidelines. We help our customer develop special wrench for their application and OEM service offered. About the product1.The products have been mainly used in heavy industrial fields such as marine, Nuclear power components, etc.2. Highly standard modular designed more sized with a reduced variety of parts.3.Customized is acceptable

Art No.	Model Number	D/mm	T/mm	t/mm	L/mm	Weight/Kg
M01058	S58	90	27	19	275	1.83

The processing procedureThe material: 45# steel, 40Cr. 1.To prepare the raw material, blanking2.Forging3.Punching4.Plain end and chamfering5.Gas cutting rough selvedge6.Polishing7.Drill hole8.Perfect the product and marking9.Surface treatmentSurface treatment1.Zinc  galvanization2.Chrome treatment3.Black finished4.Electrostatic spraying

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S58 Double offset ring spanner