6% Cobalt Ground Carbide Rods K20 3.175mm 0.4μM Grain Size For PCB Drills
Brand Name:OUQI
Certification:ISO9001:2008 ISO14001:2004
Model Number:Cut-to-length carbide rods
Minimum Order Quantity:10pc
Delivery Time:Standard products in one week
Payment Terms:L/C, D/A, D/P, T/T, Western Union, MoneyGram
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Location:
Zhuzhou Hunan China
Address:
Block B, building 4, Area B, Hi Tech New Makin Valley Xiangyuehuan Road, Tianyuan District, Zhuzhou, Hunan, China
Supplier`s last login times:
within 2 hours
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Product Details
K20 6% Cobalt Ground carbide rods with 0.4μm grain size for PCB drills
| Grain | Cobalt | Density | Hardness | T.R.S | Application |
| um | % | g/cm3 | HRA | N/mm3 | |
| 0.4 | 6 | 14.7 | 94.1 | 3800 | 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. |
Specification:
ISO grade K40
Diameter: 3.175mm h6 tolerance -0.009mm
Length 38.1mm +0.5mm
Grain size: 0.4μm
Density: 14.7
Applications:
Extremely high wear resistance and strength, suitable for high-hard materials (HRC55 and above) finishing, 316L stainless steel, high-gloss surface treatment of aluminum alloy, titanium alloy, stainless steel, high-temperature alloy and other difficult-to-machine materials (composite wood)
Description:
- 100% virgin material, no recycled material
- Spray drying tower and HIP sintering furnace
- Constant excellent quality
- Large stock for all sizes
- 100% inspected before delivery
- Fast delivery time, regular products can be shipped in 3 days.
- Excellent grinding quality, Straightless could be 0.05 or 0.02.
| Diameter mm | Length mm | Diameter mm | Length mm | |||||
| D | Tolerance | L | Tolerance | D | Tolerance | L | Tolerance | |
| 1.60 | +0/-0.006 | 20 | 0/+0.5 | 10.00 | +0/-0.009 | 50 | 0/+0.5 | |
| 2.35 | 30 | 0/+0.5 | 10.00 | 70 | 0/+0.5 | |||
| 2.35 | 45 | 0/+0.5 | 10.00 | 72 | 0/+0.5 | |||
| 3.00 | 60 | 0/+0.5 | 10.00 | 75 | 0/+0.5 | |||
| 4.00 | +0/-0.008 | 40 | 0/+0.5 | 10.00 | 80 | 0/+0.5 | ||
| 4.00 | 46 | 0/+0.5 | 10.00 | 90 | 0/+0.5 | |||
| 4.00 | 50 | 0/+0.5 | 10.00 | 100 | 0/+0.5 | |||
| 4.00 | 60 | 0/+0.5 | 12.00 | +0/-0.011 | 70 | 0/+0.5 | ||
| 4.00 | 75 | 0/+0.5 | 12.00 | 79 | 0/+0.5 | |||
| 4.00 | 100 | 0/+0.5 | 12.00 | 83 | 0/+0.5 | |||
| 5.00 | 50 | 0/+0.5 | 12.00 | 100 | 0/+0.5 | |||
| 5.00 | 60 | 0/+0.5 | 12.00 | 120 | 0/+0.5 | |||
| 5.00 | 100 | 0/+0.5 | 13.00 | 100 | 0/+0.5 | |||
| 6.00 | 40 | 0/+0.5 | 14.00 | 75 | 0/+0.5 | |||
| 6.00 | 50 | 0/+0.5 | 14.00 | 80 | 0/+0.5 | |||
| 6.00 | 58 | 0/+0.5 | 14.00 | 83 | 0/+0.5 | |||
| 6.00 | 60 | 0/+0.5 | 14.00 | 100 | 0/+0.5 | |||
| 6.00 | 67 | 0/+0.5 | 16.00 | 80 | 0/+0.5 | |||
| 6.00 | 75 | 0/+0.5 | 16.00 | 90 | 0/+0.5 | |||
| 6 | 100 | 0/+0.5 | 20.00 | +0/-0.013 | 100 | 0/+0.5 | ||
| 8 | +0/-0.009 | 50 | 0/+0.5 | |||||
| 8 | 60 | 0/+0.5 | ||||||
| 8 | 63 | 0/+0.5 | ||||||
| 8 | 75 | 0/+0.5 | ||||||
| 8 | 90 | 0/+0.5 | ||||||
| 8 | 100 | 0/+0.5 | ||||||
| General tolerance for the h6 finished ground solid carbide rods | ||||||||||
| Diameter | Tolerance μm | Length | Tolerance | Straightness | Tolerance | Circularity | Tolerances | |||
| ＜3.0 | -6/0 | ＜100.0 | +0.5/+1.0 | ＜4.0 | 0.07 | <3,0 | 2,0 micron | |||
| 3.0-6.0 | -8/0 | 100.0-165.0 | +1.0/+2.5 | 4.5-5.0 | 0.06 | 3,0- 6,0 | 2,5 micron | |||
| 6.0-1.0 | -9/0 | 165.0-335.0 | +1.0/+6.0 | 5.5-12 | 0.05 | 6,1-10,0 | 3,0 micron | |||
| 10.0-18.0 | -11/0 | ＞12.5 | 0.04 | 10,1-18,0 | 3,5 micron | |||||
| 18.0-30.0 | -13/0 | 18,1- 30,0 | 4,0 micron | |||||||
| 30.0-50.0 | -16/0 | 30,1- 50,0 | 5,0 micron | |||||||
Grades for tungsten carbide rods:
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6% Cobalt Ground Carbide Rods K20 3.175mm 0.4μM Grain Size For PCB Drills
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