Professional non sparking combination wrench 6pcs factory
Non-sparking tools. They are mainly used in hazardous environment where flammable and combustible vapors liquids gas dusts are present, such as petroleum industry,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 Aluminum Bronze.
1.The material: Be-bronze alloy or Al-bronze alloy
2.The processing procedure:
Al-bronze (HRC≥25°b>75-85kgf/mm² )
1) To prepare the raw material, blanking
4) Cut the water gap
5) Stored in the semi finished products warehouse
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
13) Surface treatment
14)Stored in the finished products warehouse
1) Electrostatic spraying
2) Natural color
Packing & Delivery
Q: Are you trading company or manufacturer ?
A: We are factory.
Q: How long is your delivery time?
A: Generally it is 5-10 days if the goods are in stock. or it is 15-20 days if the goods are not in stock, it is according to quantity.
Q: Do you provide samples ? is it free or extra ?
A: Yes, we could offer the sample for free charge but do not pay the cost of freight.
Q: What is your terms of payment ?
A: Payment<=1000USD, 100% in advance. Payment>=1000USD, 30% T/T in advance ,balance before shippment. If you have another question, pls feel free to contact us as below: