Copper Alloy Single Box Wrench , Hardware hand tools ,explosion proof safety wrench - 12mm-155mm

Copper Alloy Single Box Wrench , Hardware hand tools ,explosion proof safety wrench

The processing procedure

Al-bronze (HRC≥25°b>75-85kgf/mm² )

Be-bronze(HRC≥35°b>105-120kgf/mm²)

1) To prepare the raw material, blanking

2) Smelting

3) Pouring

4) Cut the water gap

5) Stored in the semi finished products warehouse

6) Punching

7) Through the drawbench or slotting machine

8) PE plain end and chamfering

9) Drill hole

10) Perfect the product and marking

11)If Be-bronze, need heat treatment

12) Polishing

13) Surface treatment

14)Stored in the finished products warehouse

We have some advantages showing below

1. We are the manufacturer , so our price is favourable
2. Choice Material besides strict quality control system , so we assure you of the top quality
3. Smoothly production line besides sufficient stock ,so always timely delivery
4. All of our products have passed ISO9001 and UKAS Certification ,and all of which are produced in strict accordance with State Specification and have met with various technical norms through irregular random sampling inspection by the State Hardware Inspection Departments

Four types of products we are handling

Wecome your order !