HV30 1720 K20 Carbide Ground Rod 8% Cobalt T.R.S 3800 For PCB Drills
Brand Name:OUQI
Certification:ISO9001:2008 ISO14001:2004
Model Number:Ground 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
Contact Now
Add to Cart
Site Member
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
Product Details
Company Profile
Product Details
K20 high hardness ground carbide rods for making endmills for PCB drills
Diameter:8mm h6
Length: 330mm +0.5
Roughness: Ra 0.2
Straitness: 0.02
| Classification | K20 |
| Co % | 8 |
| WC incl. doping | 92 |
| Density g/ cm3 | 14.55 |
| Hardness HV30 | 1720 |
| Fracture toughness | 9.5 |
| Transverse rupture strength | 3800 |
| Average grain size | 0.7 |
Regular size for ground carbide rods:
| Diameter (mm) | Length (mm) | Diameter (mm) | Length (mm) | |||||
| D | Tolerance | Length | Tol. | D | Tolerance | Length | Tol. | |
| 1.00 | +0/-0.006 | 330 | 0/+0.5 | 10.50 | +0/-0.011 | 330 | 0/+0.5 | |
| 1.50 | 330 | 0/+0.5 | 11.00 | 330 | 0/+0.5 | |||
| 2.00 | 330 | 0/+0.5 | 11.50 | 330 | 0/+0.5 | |||
| 2.50 | 330 | 0/+0.5 | 12.00 | 330 | 0/+0.5 | |||
| 3.00 | 330 | 0/+0.5 | 12.50 | 330 | 0/+0.5 | |||
| 3.50 | 330 | 0/+0.5 | 13.00 | 330 | 0/+0.5 | |||
| 4.00 | 330 | 0/+0.5 | 13.50 | 330 | 0/+0.5 | |||
| 4.50 | +0/-0.008 | 330 | 0/+0.5 | 14.00 | 330 | 0/+0.5 | ||
| 5.00 | 330 | 0/+0.5 | 14.50 | 330 | 0/+0.5 | |||
| 5.50 | 330 | 0/+0.5 | 15.00 | 330 | 0/+0.5 | |||
| 6.00 | 330 | 0/+0.5 | 15.50 | 330 | 0/+0.5 | |||
| 6.50 | 330 | 0/+0.5 | 16.00 | 330 | 0/+0.5 | |||
| 7.00 | 330 | 0/+0.5 | 18.00 | 330 | 0/+0.5 | |||
| 7.50 | 330 | 0/+0.5 | 20.00 | 330 | 0/+0.5 | |||
| 8.00 | +0/-0.009 | 330 | 0/+0.5 | 22.00 | 330 | 0/+0.5 | ||
| 8.50 | 330 | 0/+0.5 | 24.00 | 330 | 0/+0.5 | |||
| 9.00 | 330 | 0/+0.5 | 25.00 | +0/-0.013 | 330 | 0/+0.5 | ||
| 9.50 | 330 | 0/+0.5 | 28.00 | 330 | 0/+0.5 | |||
| 10.00 | 330 | 0/+0.5 | 30.00 | 330 | 0/+0.5 | |||
| 32.00 | +0/-0.016 | 330 | 0/+0.5 | |||||
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 | |||||||
Our tungsten carbide rods:
- 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 and circularity could be 0.05 or 0.02.
Carbide grades
What we can provide
HV30 1720 K20 Carbide Ground Rod 8% Cobalt T.R.S 3800 For PCB Drills
Inquiry Cart
0