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[China]
Trade Verify
Address: Block B, building 4, Area B, Hi Tech New Makin Valley Xiangyuehuan Road, Tianyuan District, Zhuzhou, Hunan, China
Contact name:Ms Pan
Zhuzhou TGC Cemented Carbide Co.,Ltd. |
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Verified Suppliers
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Micro drills PCB drills 5.5mm with hardness 1950 HV30 ground carbide rods
Dimension:
Outer Diameter: 5.5mm
Tolerance of OD -0.006
Length: 38.5mm
Tolerance of Length:+0.1/+0.4
Roughness: Ra0.1 polished
Suitable for manufacturing micro-drills for machining PCB. It is also suitable for manufacturing various kinds of solid cemented carbide tools for machining glass fiber, wood, plastics, paper and brass, Al alloy, etc.
| Diameter mm | Length | ||
| D | Tolerance | L | Tol. |
| 3.25 | 0/+0.05 | 38.7 | ± 0.20 |
| 3.25 | 0/+0.05 | 38.5 | ± 0.20 |
| 3.50 | 0/+0.05 | 38.5 | ± 0.20 |
| 4.00 | 0/+0.05 | 38.5 | ± 0.20 |
| 4.50 | 0/+0.05 | 38.5 | ± 0.20 |
| 5.00 | 0/+0.05 | 38.5 | ± 0.20 |
| 5.50 | 0/+0.05 | 38.5 | ± 0.20 |
| 6.00 | 0/+0.05 | 38.5 | ± 0.20 |
| 6.50 | 0/+0.05 | 38.5 | ± 0.20 |
| 3.50 | +0.2/+0.5 | 12.8 | ± 0.10 |
| 4.00 | +0.2/+0.5 | 12.8 | ± 0.10 |
| 4.50 | +0.2/+0.5 | 12.8 | ± 0.10 |
| 5.00 | +0.2/+0.5 | 12.8 | ± 0.10 |
| 5.50 | +0.2/+0.5 | 12.8 | ± 0.10 |
| 6.00 | +0.2/+0.5 | 12.8 | ± 0.10 |
| 6.50 | +0.2/+0.5 | 12.8 | ± 0.10 |
| 6.85 | +0.2/+0.5 | 12.8 | ± 0.10 |
| 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 | |||||||
| General tolerance for the h5 finished ground solid carbide rods | ||||||||||
| Diameter | Tolerance μm | Length | Tolerance | Straightness | Tolerance | Circularity | Tolerances | |||
| ＜3.0 | -4/0 | ＜100.0 | +0.5/+1.0 | ＜4.0 | 0.07 | <3,0 | 2,0 micron | |||
| 3.0-6.0 | -5/0 | 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 | -6/0 | 165.0-335.0 | +1.0/+6.0 | 5.5-12 | 0.05 | 6,1-10,0 | 3,0 micron | |||
| 10.0-18.0 | -8/0 | ＞12.5 | 0.04 | 10,1-18,0 | 3,5 micron | |||||
| 18.0-30.0 | -9/0 | 18,1- 30,0 | 4,0 micron | |||||||
| 30.0-50.0 | -11/0 | 30,1- 50,0 | 5,0 micron | |||||||
