high quality tungsten carbide GT55 ZHD82 cold heading die cemented carbide







Tungsten carbide cold heading die are specialized tools used in the manufacturing process of fasteners, such as screws, bolts, and rivets. These dies are made of carbide, a hard anddurable material that can withstand the high pressure and stress of the cold heading process. The cold heading process involves feeding a wire or bar stock into a machine that uses a die and punch set to shape and form the material into the desired shape of the fastener.



Material Matching→Wet Ball Milling→Mixed WC and Cobalt Power→Pressing→HIP Sintering Furnaces→QC Detecting→Packing


















1. We will try our best to reply our customers’request within 24hours.
2. We will maintain effective and efficient communications with our customers.
3. We provide first-class quality control and after-sale services.


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Are the hexagonal heads of the screws protruded?
A: Most of them are made of piers, because this can save materials. Depending on the tonnage of the pier forging machine and the bolt diameter, cold pier or hot pier technology can be used.
02
Are the bolts entirely die cast?
A:If the bolt material is an alloy or metal with a low melting point such as aluminum alloy, zinc alloy, copper alloy, etc., die casting can also be used. Steel ones are not made by die casting.
03
What's your delivery time for our orders?
A: The delivery is about 3day for standard productsand 25-30 days for OEM products.
04
After Services:
A: 1.Our sales team will respond to your question within 24 hours
(holidays excluded).2.Technical support will be available at any time.3.we can assure you of a 100% refund you the money for thequality problem.