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Suitable for machining steel, cast iron, non-ferrous metals
Custom
Yes
Advantage
High Density
Shape
various shape upon drawing
Brand Name
Sanxin
Model Number
SX-2275
Certification
ISO9001
Place of Origin
China
Tungsten Carbide Thread Rolling Die
Product Overview
Tungsten carbide thread rolling dies are high-precision thread forming tools manufactured from high-performance tungsten carbide-cobalt (WC-Co) materials. They are widely used in cold forming processes for mass production of fasteners, screws, bolts, and other standard threaded parts. Compared with traditional high-speed steel (HSS) or alloy tool steel dies, tungsten carbide offers extremely high hardness, superior wear resistance, and significantly longer service life, making it the ideal choice for high-precision and high-efficiency thread production.
Key Features
Ultra-High Hardness & Wear Resistance - Hardness reaches HRA 88-92, far exceeding traditional tool steel (HRA 78-83), effectively resisting wear and deformation during cold extrusion. Ideal for processing difficult-to-machine materials such as stainless steel, alloy steel, and titanium alloy, reducing dimensional deviation caused by tool wear.
Excellent Fatigue Strength & Compressive Resistance - Optimized cobalt content (typically 6%-15%) and tungsten carbide grain size ensure structural stability under high-frequency impact loads, resisting chipping or fracture. Supports extremely long continuous production runs (up to millions of parts per die), dramatically reducing downtime for tool changes.
High-Precision Thread Forming - Precision grinding and post-treatment processes achieve blade profile tolerances as tight as ±0.002 mm, ensuring consistency of pitch diameter, major diameter, and flank angle. Optional surface coatings (TiCN, AlTiN, or DLC) further reduce friction coefficient, improve thread surface finish (Ra ≤0.2 μm), and prevent built-up edge.
Superior Red Hardness - During high-speed cold heading or warm rolling, tungsten carbide maintains hardness up to 800°C, avoiding thermal softening failure.
Typical Applications
Fastener Manufacturing - Mass production of carbon/stainless steel screws, self-tapping screws, wood screws, and high-strength bolts.
We offer dies customized according to workpiece drawings (thread standards: Metric, Unified, British, NPT, etc.), double-sided or four-side reversible die designs for maximum utilization, and special coatings (e.g., TiSiN, DLC) upon request.
Usage & Maintenance Tips
Use with a sufficiently rigid thread rolling machine and ensure consistent blank diameter.
Calibrate parallelism of the two dies before operation to avoid unilateral overload.
Regularly clean chips from the die teeth to prevent surface damage.
Not recommended for rolling welded parts or materials with hard surface scale.
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer,Importer,Exporter,Seller,Other
Year Established:
2003
Total Annual:
8000000-10000000
Employee Number:
150~180
Ecer Certification：
Verified Supplier
Zhuzhou Sanxin Cemented Carbide Manufacturing Co.,Ltd is located in Zhuzhou, Hunan Province, which is known as the “Hometown of Cemented Carbide”. It is a national high-tech enterprise that has passed ISO9001:2015 international quality certification system, specializing in manufacturing,... Zhuzhou Sanxin Cemented Carbide Manufacturing Co.,Ltd is located in Zhuzhou, Hunan Province, which is known as the “Hometown of Cemented Carbide”. It is a national high-tech enterprise that has passed ISO9001:2015 international quality certification system, specializing in manufacturing,...
