Convex box wrench,Anti spark striking convex box wrench,non sparking convex box wrench - 11003A

Aluminium alloy & Beryllium bronze alloy Hand tools striking convex box wrenches(Heavy duty type)

Non sparking hand tools

1.The material : Be-bronze alloy or Al-bronze alloy

2.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

3.Surface treatment

1) Electrostatic spraying

2) Natural color

3) Passivation

4. Specs

17mm,19mm,22mm,24mm,27mm,30mm,32mm,34mm,36mm,41mm,46mm,50mm,55mm,60mm,65mm,70mm,75mm,80mm,

85mm,90mm,95mm,100mm,105mm,110mm,115mm,120mm,125mm,130mm,135mm,140mm,145mm,150mm,155mm,160mm

165mm,170mm,175mm,180mm,185mm.......

The main products of our company are as follow:

Non-sparking tools. They are mainly used in hazardous environment where flammable and combustible vapors liquilds gas dusts are present, such as petroleum industy,chemical industry, power generation,railroad,and mining ects.These tools can avoid to rise sparking when tools strike,
rub or collide with target in explosive atmosphere. There is two kinds of material, Beryllium Copper alloy and Aluminium Bronze.

Special tools. 45# steel, 40Cr.

Non-magnetic tools. Material Stainless

1)Good resistance to acids and alkalis corrosion

2) Mainly used in medical apparatus and instruments, food industry ect.

3) Weakness: Low strength, low hardness. HRC<10°

Terrace Measuring Tools.

1. Machinery production

2. Installation of the machine

3. Lineation , marking out and measuring

4. Welding

5. Surface plates

Should any items be interest to you ,please let us know.
We shall be glad to give you our lowest quotation upon receipt of your detailed requirement.