K20 6.5mm solid ground carbide rods for drilling aluminum alloy
| Grade | YF06 |
| Density | 14.86 |
| T.R.S | 3800 |
| Hardness HV30 | 1800 |
| Properties & Applications | Used for manufacturing drills with big diameters of 3.2-6.3mm for machining PCB, drills of 0.8-3.2mm, and mills, and it is also suitable for making solid carbide tools for machining aluminum alloy, plastic, PTFE, and compound materials, such as carbon fiber, etc. |
Dimension:
Outer Diameter: 6.50mm
Tolerance of OD -0.007
Length: 38.5mm
Tolerance of Length:+0.1/+0.2
Roughness: Ra0.2 polished
Regular size for small drills:
| 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 |
Description:
- 100% virgin material, no recycled material
- Spray drying tower and HIP sintering furnace
- Constant excellent quality
- Large stock for all sizes, the regular products can be shipped in 3 days, and the special rods can be ground in one week.
- 100% inspected before delivery. The inspection including raw material and dimension report will be sent you before delivery
- Excellent grinding quality, Straightless could be 0.05 or 0.02.
Carbide grades
| ISO-Range | Co (%) | WC incl.
Doping (%) | Density
(g/cm3) | HV 30
(N/mm2) | HRA | T.R.S | KIc* (Shetty)
(MNm-3/2) | Application |
| K10 | 6 | 94 | 14.8 | 1900 | 93.8 | > 3900 | 9 | Unalloyed and hardened steels
Non-ferrous metals
Aluminium alloys
Cast iron
Composites (CFRP and GFRP) |
| K10 - K20 | 8 | 92 | 14.6 | 1710 | 92.5 | > 4000 | 9.5 | Unalloyed and hardened steels
Non-ferrous metals
Non-ferrous metals
Plastics |
| K20 - K30 | 9 | 91 | 14.3 | 1680 | 92.2 | > 3900 | 9 | High hardness materials
Aluminium alloys
Cast iron
Graphite |
| K30 - K40 | 10 | 90 | 14.5 | 1610 | 91.9 | > 4200 | 10.5 | Steels
Corrosion and heat resistant steels
Stainless steels
Non ferrous metals
Nickel based alloys
Aluminium alloys |
| K40 - K50 | 12 | 88 | 14.1 | 1680 | 92.3 | > 4400 | 10 | Steels
Corrosion and heat resistant steels
Stainless steels
Non ferrous metals
Titanium alloys |
| K40 - K50 | 13 | 87 | 13.9 | 1700 | 92.4 | > 4000 | 9.5 | Corrosion and heat resistant steels
Non ferrous metals
Nickel based alloys
Titanium alloys |
General Tolerance for ground carbide rods
| 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 |
What we can provide
