carbide rods with central coolant holes
- made of premium raw materials, sinter-HIP treatment
- a wide range of sizes, micro through holes available
- high hardness, high wear resistance, good toughness
- supply blanks and ground carbide oil feed rods
carbide rods with coolant holes are widely used for drills, reamers, carbide shanks, electrodes of EDM drilling, and ejector pins with inner coolant supply.
Grade Chart
| Grade | ISO Grade | Grain um | Cobalt % | Density g/cm3 | Hardness HRA | T.R.S N/mm3 |
|---|---|---|---|---|---|---|
| KU25A | K30/K40 | 0.4 | 12 | 14.10 | 92.6 | 4200 |
| KU126 | K30/K40 | 0.6 | 12 | 14.1 | 92.3 | 4200 |
| KU20A | K20/K30 | 0.6 | 10 | 14.45 | 92.2 | 4100 |
| KU20 | K20/K30 | 0.7 | 10 | 14.40 | 91.9 | 4100 |
| KU09 | K05/K20 | 0.3 | 9 | 14.45 | 93.5 | 4000 |
| YL10.2 | K20/K30 | 0.8 | 10-10.2 | 14.3-14.4 | 91.5-92.0 | 3500-3800 |
| KU12 | K30/K40 | 0.6 | 10-12 | 14.1-14.2 | 92-92.5 | 3800-4000 |
| KU06 | K05/K10 | 0.4 | 6 | 14.80 | 94.1 | 3800 |
| KU15 | K30/K40 | --- | 15 | 13.96 | 89 | 4000 |
| Grade | Application |
|---|---|
| KU25A | Ultra fine grain size, high-speed cutting, medium-speed feed, suitable for processing glass fiber materials, carbon steel, stainless steel, 304L SS, nickel-based alloys, quenched steel, titanium-based alloys, composite materials, etc, suitable for HRC45-59 materials. |
| KU126 | High-speed cutting, medium-speed feed, suitable for processing fiberglass materials, carbon steel, stainless steel, nickel-based alloys, quenched steel, titanium-based alloys, composite materials, etc., suitable for HRC45-55 degree materials. |
| KU20A | Medium speed processing, strong versatility, suitable to process carbon steel, alloy steel, stainless steel, nickel-based alloy, titanium alloy, heat-resistant alloy steel, cast iron, etc. |
| KU20 | Medium speed processing, strong versatility, suitable to process carbon steel, alloy steel, stainless steel, nickel-based alloy, titanium alloy, heat-resistant alloy steel, cast iron, etc. |
| KU09 | Extremely high wear resistance and strength, suitable for high-hard materials (HRC55 and above) finishing,high-gloss surface treatment of aluminum alloy, titanium alloy, stainless steel, 316L SS, high-temperature alloy, glass fiber, plastic aluminum and other difficult-to-machine materials (composite wood). |
| YL10.2 | It's used for making drill endmills, suitable for cutting general steel, Grey cast iron, stainless steel and heat resistant alloy. |
| KU12 | Ultrafine grain size, high cobalt, good hardness and toughness, used for making endmill and reamer, especially suitable for cutting steel, aluminum alloy and titanium. |
| KU06 | Ultra-fine grains, suitable for making end mills and engraving cutters with high wear resistance requirements, suitable for processing PCB materials, acrylic materials and high-hardness aluminum alloys. |
| KU15 | Good wear resistance and excellent toughness, suitable for making stamping dies,anti-vibration boring bar, etc. |
Sizes for tungsten carbide tube
| Type | D (mm) | Tol. (mm) | d (mm) | Tol. (mm) |
|---|---|---|---|---|
| D2.0*d0.2*330 | 2.0 | +0.25/0.40 | 0.2 | ±0.05 |
| D2.0*d0.4*330 | 2.0 | +0.25/0.40 | 0.4 | ±0.05 |
| D2.0*d0.5*330 | 2.0 | +0.25/0.40 | 0.5 | ±0.05 |
| D2.0*d1.2*330 | 2.0 | +0.25/0.40 | 1.2 | ±0.1 |
| D3.0*d0.2*330 | 3.0 | +0.25/0.40 | 0.2 | ±0.05 |
| D3.0*d0.3*330 | 3.0 | +0.25/0.40 | 0.3 | ±0.05 |
| D3.0*d0.4*330 | 3.0 | +0.25/0.40 | 0.4 | ±0.05 |
| D3.0*d2.0*330 | 3.0 | +0.25/0.40 | 2.0 | ±0.1 |
| D4.5*d0.8*330 | 4.5 | +0.25/0.50 | 0.8 | ±0.15 |
| D6.0*d1.0*330 | 6.0 | +0.25/0.50 | 1.0 | ±0.15 |
| D6.0*d1.5*330 | 6.0 | +0.25/0.50 | 1.5 | ±0.20 |
| D7.0*d1.5*330 | 7.0 | +0.25/0.50 | 1.5 | ±0.15 |
| D8.0*d1.0*330 | 8.0 | +0.25/0.50 | 1.0 | ±0.15 |
| D8.0*d2.0*330 | 8.0 | +0.25/0.50 | 2.0 | ±0.20 |
| D8.5*d1.5*330 | 8.5 | +0.25/0.50 | 1.5 | ±0.15 |
| D9.0*d2.0*330 | 9.0 | +0.25/0.50 | 2.0 | ±0.20 |
| D10.0*d2.0*330 | 10.0 | +0.25/0.50 | 2.0 | ±0.20 |
| D10.0*d3.0*330 | 10.0 | +0.25/0.50 | 3.0 | ±0.25 |
| D11.0*d3.0*330 | 11.0 | +0.25/0.50 | 3.0 | ±0.25 |
| D12.0*d2.0*330 | 12.0 | +0.25/0.50 | 2.0 | ±0.20 |
| D12.0*d3.0*330 | 12.0 | +0.25/0.50 | 3.0 | ±0.25 |
| D13.0*d2.0*330 | 13.0 | +0.25/0.55 | 2.0 | ±0.20 |
| D14.0*d3.0*330 | 14.0 | +0.25/0.55 | 3.0 | ±0.25 |
| D16.0*d3.0*330 | 16.0 | +0.25/0.55 | 3.0 | ±0.25 |
| D16.0*d4.0*330 | 16.0 | +0.25/0.55 | 4.0 | ±0.30 |
| D18.0*d3.0*330 | 18.0 | +0.25/0.60 | 3.0 | ±0.25 |
| D20.0*d4.0*330 | 20.0 | +0.25/0.60 | 4.0 | ±0.30 |
| D22.0*d3.0*330 | 22.0 | +0.30/0.80 | 3.0 | ±0.25 |
| D24.0*d4.0*330 | 24.0 | +0.30/0.80 | 4.0 | ±0.30 |
| D26.0*d4.0*330 | 26.0 | +0.30/0.80 | 4.0 | ±0.30 |
| D28.0*d4.0*330 | 28.0 | +0.30/0.80 | 4.0 | ±0.30 |
| D30.0*d5.0*330 | 30.0 | +0.30/0.80 | 5.0 | ±0.30 |
