Carbide Rod With Helical Coolant Holes

Precision Engineered for Extreme Performance

Product Description
Our cemented carbide (tungsten carbide) round bars are manufactured through advanced sintering technology, delivering exceptional hardness, wear resistance, and structural stability. Ideal for high-stress applications in machining, wear parts, and industrial tooling.

Key Features:

Ultra-High Hardness: HRA 90+ (Rockwell Scale)
Superior Wear Resistance: 6–8× longer service life vs. HSS
Corrosion Resilience: Resists acids/alkalis (excl. strong oxidizers)
Thermal Stability: Maintains integrity up to 900°C
Precision Tolerance: Diameter ±0.01mm (customizable)

Typical Applications:
✓ Cutting tool blanks
✓ Wear-resistant guide rods
✓ Punch & die components
✓ Deep drawing mandrels
✓ Precision measuring instruments

Customization Support:
・Tailored dimensions & tolerances
・Special surface treatments (TiN, DLC coating)
・Non-standard alloy formulations

Tungsten Carbide Rods With Tolerance H6, h6, H5, h5, H7, h7

Grade	Density g/cm³	Hardness (HRA)	T.R.S (Mpa)	Grain Size(μm)	Composition(%）	Equal to ISO

RA06	14.8	≥94	≥3500	0.4	6% CO 93.5% WC	K05/K10
RA08	14.5	≥93	≥3500	0.4	8.5% CO 91% WC	K10/K20
RA09	14.44	≥93	≥4100	0.2	9% CO 90.5% WC	K10/K20
RA10	14.5	≥91.8	≥3800	0.6	10% CO 89.5% WC	K20/K30
RA11	14.5	≥91.8	≥3500	0.8	10% CO 89.5% WC	K20/K30
RA12	14.2	≥92.8	≥4000	0.5	12% CO 87.5% WC	K20/K30

The Specification Range of extruded Grounded Tungsten Carbide Rod :

WC Grain size range: 0.3~0.5μ.m; 0.5~0.9μ.m; 1.0~1.3μ.m; 1.4~2.0μ.m.
Length range:3mm-600mm; (General Length: 100mm,300mm,320mm,330mm)
Diameter Grade: h4(H4), h5(H5), h6(H6), h7(H7), h8(H8), h9(H9), etc.

Good grinding machine to ensure the sphencity & the Linearity of rod at higher level standard;
Sphericity tolerance range: 0.001mm ~ 0.005mm;
Linearity tolerance range: 0.001mm~0.1mm;
Surface Roughness can be reached to: Ground/Polished (Ra≤0.2μm).(reach a mirror effect surface after fine grinding)

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