Grades of tungsten carbide rods with coolant holes:
| Grade | ISO Grade | WC (%) |
Co (%) |
Grain Size (μm) |
Hardness （HRA） |
Density （g/cm³） |
TRS （N/mm²） |
| BU06 | K05 – K10 | 94 | 6 | 0.5 | 94 | 14.75 | 3600 |
| BU09 | K20-K30 | 91 | 9 | 0.4 | 94 | 14.4 | 3800 |
| YG10X | K20 – K30 | 90 | 10 | 0.8 | 91.5 | 14.35 | 3600 |
| BT15 | K20 – K30 | 90 | 10 | 0.7 | 92.2 | 14.35 | 3900 |
| BT20 | K20 – K30 | 90 | 10 | 0.6 | 92.3 | 14.4 | 4000 |
| BT25 | K30 – K40 | 88 | 12 | 0.6 | 92.5 | 14.1 | 4000 |
| BT25UF | K30 – K40 | 88 | 12 | 0.4 | 92.8 | 14.05 | 4200 |
Grade BU06: This grade is suitable for machining aluminum magnesium alloy, graphite, plastic, wood and composite material, etc.
Grade BU09: This grade is suitable for machining alloy steel, stainless steel, aluminum alloy, chilled hardened steel and titanium alloy, etc. It can process materials with hardness up to HRC 65.
Grade YG10X: This grade is suitable for machining materials such as common steel, non-ferrous metals, and cast iron, etc. It can process materials with hardness up to HRC 45. This grade is is popular in the Asian market, especially the Indian market.
Grade BT15: This grade is suitable for machining common steel, cast iron, stainless steel, heat-resistant steel, chilled hardened steel, nickel base alloy and titanium alloy, etc. It can process materials with hardness up to HRC 55. This grade is popular in the European market, especially in German market. Other markets, such as the USA, Canada, Korea, etc.
Grade BT20: This grade is suitable for machining stainless steel, heat-resistant steel, chilled hardened steel, cast iron, nickel base alloy and titanium alloy, etc. It can process materials with hardness up to HRC 55.
Grade BT25: This grade is suitable for machining alloy steel, titanium alloy, chilled hardened steel cast iron, aluminum alloy, etc. It can process materials with hardness up to HRC 60.
Grade BT25UF: This grade is suitable for machining alloy steel, stainless steel, aluminum alloy, chilled hardened steel and titanium alloy, etc. It can process materials with hardness up to HRC 62.
Sizes of tungsten carbide rods with coolant holes:
| Type | D | L (Tol./0,+4) |
d | TK | a | Pitch | |||||
| φ(mm) | Tol(mm) | d(mm) | Tol(mm) | TK(mm) | Tol(mm) | P(mm) | Tol(mm) | ||||
| Bφ6×2φ0.7x26x330H30° | 6 | +0.7,+1.3 | 330 | 0.70 | ±0.10 | 2.60 | 0,-0.4 | 0.15 | 32.65 | +0.67,-0.65 | |
| Bφ7×2φ1.0×3.7x330H30° | 7 | +0.7,+1.3 | 330 | 1.00 | ±0.15 | 3.70 | 0,-0.4 | 0.15 | 38.09 | +0.78,-0.76 | |
| Bφ8×2φ1.0×4.0x330H30° | 8 | +0.7,+1.3 | 330 | 1.00 | ±0.15 | 4.00 | 0,-0.4 | 0.15 | 43.53 | +0.89,-0.86 | |
| Bφ9×2φ1.4×4.8x330H30° | 9 | +0.7,+1.3 | 330 | 1.40 | ±0.15 | 4.80 | 0,-0.6 | 0.20 | 48.97 | +1.00,-0.97 | |
| Bφ10×2φ1.4×4.8x330H30° | 10 | +0.7,+1.3 | 330 | 1.40 | ±0.15 | 4.80 | 0,-0.6 | 0.20 | 54.41 | +1.11.-1.08 | |
| Bφ11×2φ1.4×5.3x330H30° | 11 | +0.7,+1.4 | 330 | 1.40 | ±0.15 | 5.30 | 0,-0.8 | 0.30 | 59.86 | +1.22,-1.19 | |
| Bφ12×2φ1.4×6.25x330H30° | 12 | +0.7,+1.4 | 330 | 1.40 | ±0.15 | 6.25 | 0,-0.8 | 0.30 | 65.3 | +1.34,-1.30 | |
| Bφ13×2φ1.75×6.5x330H30° | 13 | +0.7,+1.4 | 330 | 1.75 | ±0.20 | 6.50 | 0,-0.8 | 0.37 | 70.74 | +1.45,-1.40 | |
| Bφ14×2φ1.75×7.1x330H30° | 14 | +0.7,+1.5 | 330 | 1.75 | ±0.20 | 7.10 | 0,-0.8 | 0.40 | 76.18 | +1.56,-1.51 | |
| Bφ15×2φ1.75×7.7x330H30° | 15 | +0.7,+1.5 | 330 | 1.75 | ±0.20 | 7.70 | 0,-0.8 | 0.40 | 81.62 | +1.67,-1.62 | |
| Bφ16×2φ1.75×8.3x330H30° | 16 | +0.7,+1.6 | 330 | 1.75 | ±0.20 | 8.30 | 0,-0.8 | 0.40 | 87.06 | +1.78,-1.83 | |
| Bφ17×2φ1.75×8.9x330H30° | 17 | +0.7,+1.6 | 330 | 1.75 | ±0.20 | 8.90 | 0,-0.8 | 0.45 | 92.5 | +1.89,-1.84 | |
| Bφ18×2φ2.3×9.55x330H30° | 18 | +0.7,+1.7 | 330 | 2.30 | ±0.25 | 9.55 | 0,-0.8 | 0.50 | 97.95 | +2.00,-1.94 | |
| Bφ19×2φ2.3×10.1x330H30° | 19 | +0.7,+1.7 | 330 | 2.30 | ±0.25 | 10.10 | 0,-0.8 | 0.50 | 103.39 | +2.12-2.05 | |
| Bφ20×2φ2.5×10.4x330H30° | 20 | +0.7,+1.7 | 330 | 2.50 | ±0.25 | 10.40 | 0,-10 | 0.50 | 108.83 | +2.23.-2.16 | |
New sizes of carbide rods with coolant holes for your reference:
| Φ4*330-Φ0.4*1-30° | Φ4*330-Φ0.4*1-40° |
| φ6*330*2φ0.7*2.6-30° | φ6*330*2φ0.7*2.6-40° |
| φ8*330*2φ1.0*4.0-30° | φ8*330*2φ1.0*4.0-40° |
| φ10*330*2φ1.4*4.8-30° | φ10*330*2φ1.4*4.8-40° |
| φ12*330*2φ1.4*6.25-30° | φ12*330*2φ1.4*6.25-40° |
| φ14*330*2φ1.75*7.1-30° | φ14*330*2φ1.75*7.1-40° |
| φ16*330*2φ1.75*8.3-30° | φ16*330*2φ1.75*8.3-40° |
| φ18*330*2φ2.0*9.55-30° | φ18*330*2φ2.0*9.55-40° |
| φ20*330*2φ2.0*10.4-30° | φ20*330*2φ2.0*10.4-40° |
| Φ21*330-Φ2*10.5-30° | Φ21*330-Φ2*10.5-40° |
| Φ22*330-Φ2*11.1-30° | Φ22*330-Φ2*11.1-40° |
| Φ23*330-Φ2*11.7-30° | Φ23*330-Φ2*11.7-40° |
| Φ24*330-Φ2*12.3-30° | Φ24*330-Φ2*12.3-40° |
| Φ25*330-Φ2.5*12.3-30° | Φ25*330-Φ2.5*12.3-40° |
| Φ26*330-Φ2*13.3-30° | Φ26*330-Φ2*13.3-40° |
| Φ28*330-Φ2.5*14.2-30° | Φ28*330-Φ2.5*14.2-40° |
| Φ30*330-Φ2.5*15.4-30° | Φ30*330-Φ2.5*15.4-40° |
| Φ32*330-Φ3*16.6-30° | Φ32*330-Φ3*16.6-40° |
| Type | D | L (Tol./0,+4) |
d | a | ||
| φ(mm) | Tol. (mm) | d(mm) | Tol. (mm) | |||
| Bφ6xφ1×330 | 6 | +0.30/+0.60 | 330 | 1 | ±0.15 | 0.15 |
| Bφ7xφ1×330 | 7 | +0.30/+0.60 | 330 | 1 | ±0.15 | 0.15 |
| Bφ7xφ1×330 | 8 | +0.30/+0.60 | 330 | 1 | ±0.15 | 0.15 |
| Bφ9xφ1.4×330 | 9 | +0.30/+0.70 | 330 | 1.4 | ±0.15 | 0.2 |
| Bφ10xφ1.4×330 | 10 | +0.30/+0.70 | 330 | 1.4 | ±0.15 | 0.2 |
| Bφ11xφ1.4×330 | 11 | +0.30/+0.70 | 330 | 1.4 | ±0.15 | 0.3 |
| Bφ12xφ1.75×330 | 12 | +0.30/+0.80 | 330 | 1.75 | ±0.15 | 0.3 |
| Bφ13xφ1.75×330 | 13 | +0.30/+0.80 | 330 | 1.75 | ±0.15 | 0.4 |
| Bφ14xφ1.75×330 | 14 | +0.30/+0.80 | 330 | 1.75 | ±0.15 | 0.4 |
| Bφ15xφ2×330 | 15 | +0.40/+0.80 | 330 | 2 | ±0.20 | 0.4 |
| Bφ16xφ2×330 | 16 | +0.40/+0.80 | 330 | 2 | ±0.20 | 0.4 |
| Bφ17xφ2×330 | 17 | +0.40/+0.80 | 330 | 2 | ±0.20 | 0.5 |
| Bφ18xφ2×330 | 18 | +0.40/+0.80 | 330 | 2 | ±0.20 | 0.5 |
| Bφ19xφ2×330 | 19 | +0.40/+0.80 | 330 | 2 | ±0.20 | 0.5 |
| Bφ20xφ2.5×330 | 20 | +0.40/+0.80 | 330 | 2.5 | ±0.25 | 0.5 |
| Bφ22xφ2.5×330 | 22 | +0.40/+0.80 | 330 | 2.5 | ±0.25 | 0.5 |
| Bφ24xφ2.5×330 | 24 | +0.40/+0.80 | 330 | 3 | ±0.25 | 0.5 |
| Bφ25xφ2.5×330 | 25 | +0.40/+0.80 | 330 | 3 | ±0.25 | 0.5 |
Professional customized service available. We can strictly follow your drawings and technical requirements to tailor exclusive dimensions, meeting diverse application needs.
Details of tungsten carbide rods with coolant holes:
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