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, 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 |
| 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. |
| 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 tungten carbide tube
| Type | D (mm) | Tol. (mm) | d (mm) | Tol. (mm) |
|---|---|---|---|---|
| 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 |
