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HUACHAO STANDARD UNIT MOULD LIMITED LIABILITY COMPANY is a leading manufacturer & exporter specializing in producing fastener melds and catering to fastener industry over 20 years with quality products and sound reputation . Huachao specializes in R&D and production of Screw Forming Tools as header punch(second punch),thread rolling flat dies,carbide heading dies mainly three categories. Carbide heading die() Carbide heading dies comprising of ST,SC,CR,DW,multi-station,even all types by drawings.We also provide first punch,quill,and second punch holder,triangle,square,cut-off knivies and K.O pins. Material: Carbon Steel, Stainlees Steel The carbide heading die we supply for cutomers including: Ordering guide Customers,thanks for your attention. For ordering, please specify as follows 1. Material of wire,Low Carbon Steel Medium Carbon Steel High Carbon Steel Stainless Steel Brass Aluminum Iron Optimum with Code of Materials 2. Head Styles,please specify when head with washer. 3. Hollow screw,please specify when used for hollow screw. 4. Triangle screw,please specify the wire diameter when used for triangle screw. 5. Non-standard screw,please attach drawings or samples when used for nonstandard screw.