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YG20 Tungsten Carbide Cold Heading Die Inserts | Cemented Carbide Fastener Pellets & Nibs with Pilot Hole for Bolt Nut Forging
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YG20 Tungsten Carbide Cold Heading Die Inserts | Cemented Carbide Fastener Pellets & Nibs with Pilot Hole for Bolt Nut Forging
Product Overview
Accelerate your fastener manufacturing and cold-forging production cycles with our high-impact Tungsten Carbide Cold Heading Die Inserts. Explicitly engineered to withstand severe, high-frequency repetitive axial impacts and intense radial expansion stresses, these premium cemented carbide pellets (nibs) serve as the heavy-duty wear cores inside multi-station cold heading steel mold housings.
Available as precision-sintered or semi-finished blanks equipped with centered pre-formed pilot holes, these carbide inserts allow for straightforward wire-EDM customization, final sizing, and diamond polishing. They provide unbeatable dimensional preservation for high-volume manufacturing of high-tensile bolts, nuts, rivets, and screws.
Technical Specifications & Standard Ranges
We supply a comprehensive dimension matrix to fit global headers, piece-formers, and progressive nut formers:
Technical Parameters | Industrial Value / Configuration Options |
Material Base | Premium Micro/Coarse Grain Tungsten Carbide (WC-Co) |
Common Grade Selections | YG15, YG20, YG20C, YG25, CD7225 (Tailored to Load) |
Outer Diameter Range | Custom configurations from 10mm to 150 mm |
Internal Configuration | Standard Cylindrical / Stepped Pellets with Pre-Formed Pilot Holes |
Dimensional Tolerance | Sintered blank tolerances or precision ground to 0.01mm |
Primary Functional Advantage | Absolute Compressive Strength, Anti-Splitting Forging Support |








Target Applications & Machinery
Our rugged carbide cold heading cores are highly recommended for tooling setups in:
Fastener Production: Cold heading dies for automotive-grade bolts (12.9, 10.9, 8.8), heavy-duty structural rivets, aircraft pins, and industrial nuts.
Metal Cold Forging: Punching, extruding, and progressive stamping dies for producing universal joints, ball studs, and miniature copper electronic terminals.
Steel Wire Processing: High-pressure sizing dies and progressive cold extrusion sleeves.
Full OEM/ODM Customization Capabilities
As a direct factory supplier, we offer fully tailored compositions and geometries aligned with your operational blueprints:
Specialized Profiles: Beyond standard cylindrical pellets, we produce stepped outer profiles and complex internal multi-stage geometries based on drawings.
Application Optimization: Provide us with your machine station setup, wire material diameter, and working speed, and our engineering team will calculate the ideal cobalt ratio to maximize tool life.



FAQ:
Q1: Koj puas yog Hoobkas lossis tuam txhab lag luam?
Peb yog Hoobkas nrog 12 xyoo kev tsim khoom.
Q2: Koj lub Hoobkas nyob qhov twg?
Peb nyob hauv Zhuzhou nroog, Hunan xeev uas yog lub hauv paus ntawm tungsten carbide .
Q3: Puas yog tus nqi sib tw?
Peb muaj peb lub Hoobkas. Ua tsaug rau kev tsim khoom muaj zog thiab kev faib tawm, peb cog lus tias yuav muab peb cov neeg siv khoom sib tw tshaj plaws.
Q4: Cov khoom puas zoo?
Yog lawm. Tag nrho cov khoom yuav raug kuaj ua ntej ntau lawm, thiab peb yuav xyuas cov khoom ntawm lub cev, cov duab thiab kev ua siab ntev kom ntseeg tau cov khoom tsim nyog ua ntej xa khoom.
Xav tias dawb hu rau kuv:
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Zhuzhou Chuangde Cemented Carbide Co., Ltd
215, building 1, International Students Pioneer Park,
Taishan Road, Tianyuan District, Zhuzhou City.
Email:yog info@cdcarbide.com
Tel:+86-731-22506139
Mobile:+8613786352688
whatspp/wechat/Skype: 0086 13786352688
Lwm Yam Khoom
Xa US mail
Zhuzhou Chuangde Cemented Carbide Co., Ltd
Ntxiv215, lub tsev 1, International Students Pioneer Park, Taishan Road, Tianyuan District, Zhuzhou City
Xa US mail
Txwv :Zhuzhou Chuangde Cemented Carbide Co., Ltd
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