Cangzhou Bohai Safety&Special Tools Group Co., Ltd Fuzhuang Development Area, Botou, Hebei, China Non Sparking Tools   Slotted Screwdriver 1.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   2.Explosion-proof tools technology parameters   1. Beryllium bronze explosion-proof tools explosion-proof performance   (a) Standard code: GBEx II C
(b) Hardness: HRC35 above (c) Tensile strength: 105-120 KGF/mm² (d) Magnetic: 0   2. Aluminium bronze explosion-proof tools explosion-proof performance   (a) Standard code: GBEx II B   (b) Hardness: HRC25 above   (c) Tensile strength: 75-85 KGF/mm²   3.Surface treatment   1) Electrostatic spraying    2) Essential color   3) Passivation treatment   4) General polishing    5) Mirror poishing   4.Quality   The products are made of choice of material so we assure you of the top quality.       5.Package   Cases , wooden cases or as to your requirements . It is not only fashionable and attractive but also strong enough for long voyage.     6.Products Introduction   Item:Non sparking tools(Antispark),Non magnetic tools,Special tools(DIN Standard),Hardware tools Products:Wrench,Pliers,Pipe Wrench,Hammer,Copper Hammer,Brass Hammer,Socket,Hoe,Shears,Brush,Bucket,Shovel,Screwdriver,Chain Hoist, Axe,Awl,the equipment of Releasing the Static,DIN7444/133/894 and so on Material:Copper,Brass,Al-Br,Be-Cu,Stainless steel 304,Carbon steel   Our Products             Our Company     Looking Forward To Cooperation With You