High quality Raw Materials: Aluminum Bronze Non-Sparking Cold Chisel are Made of Expensive and Rare non-ferrous metal in good proportion.Surface Color:Silver Yellow. Appropriate for operation with ethylene concentration below 8% Standard Code GB ExⅡB. Hardness: 20-30 HRC. Advanced Die-forged Process: Aluminum Bronze Non-Sparking Flat Chisel One-time Die-forge,high hardness,strong torque,Completely in accordance with Germany DIN standard.Anti slip wear-resistant,Precision Casting Technology,high hardness and strong torque, Arc angle design,to protect nuts. Application: Aluminum Bronze Non-Sparking Flat Chisel are Designed to fit pneumatic tools. widely used in petro-chemical, oil production, gas production, oil and gas pipelines,power generation mining plastics,chemical fiber and other industries. Safety and Professional: Aluminum Bronze Non-Sparking Flat Chisel can efficiently avoid spark arising while there is friction or striking between the tools and work pieces to avoid flammable explosion and ensure national property and personal safety. In order to ensure the explosion-proof performance and stable mechanical performance of the non-sparking tools,WEDO has invested 20 million yuan to establish the only national laboratory in the field of non-sparking tools. Service: WEDO Tools has been highly praised by our new and old customers because of our user-friendly design concept.continuous improvement of excellent quality and after-sales services. High quality Raw Materials: Aluminum Bronze Non-Sparking Cold Chisel are Made of Expensive and Rare non-ferrous metal in good proportion.Surface Color:Silver Yellow. Appropriate for operation with ethylene concentration below 8% Standard Code GB ExⅡB. Hardness: 20-30 HRC. Advanced Die-forged Process: Aluminum Bronze Non-Sparking Flat Chisel One-time Die-forge,high hardness,strong torque,Completely in accordance with Germany DIN standard.Anti slip wear-resistant,Precision Casting Technology,high hardness and strong torque, Arc angle design,to protect nuts. Application: Aluminum Bronze Non-Sparking Flat Chisel are Designed to fit pneumatic tools. widely used in petro-chemical, oil production, gas production, oil and gas pipelines,power generation mining plastics,chemical fiber and other industries. Safety and Professional: Aluminum Bronze Non-Sparking Flat Chisel can efficiently avoid spark arising while there is friction or striking between the tools and work pieces to avoid flammable explosion and ensure national property and personal safety. In order to ensure the explosion-proof performance and stable mechanical performance of the non-sparking tools,WEDO has invested 20 million yuan to establish the only national laboratory in the field of non-sparking tools. Service: WEDO Tools has been highly praised by our new and old customers because of our user-friendly design concept.continuous improvement of excellent quality and after-sales services.