K10 Solid Tungsten Carbide Drill Bits For Metal Countersink Type
K10 Solid Carbide Countersink Drill Bits Carbide Burrs For Metal Working Chamfer Tools Carbide countersink drill bits for metal holes chamfer working. Diameter 6-50mm, customized is available. Length 10-55mm Application: for metal working. Solid carbide countersink drill bit and welding countersink drill bits are available. Recommended grades for Metal working: Application Code Chemical Composition Physical Properties of powder Physical and mechanical properties and mirco
K10 Solid Carbide Countersink Drill Bits Carbide Burrs For Metal Working Chamfer Tools
Carbide countersink drill bits for metal holes chamfer working.
Diameter 6-50mm, customized is available.
Length 10-55mm
Application: for metal working.
Solid carbide countersink drill bit and welding countersink drill bits are available.
Recommended grades for Metal working:
| Application Code |
Chemical Composition | Physical Properties of powder |
Physical and mechanical properties and mirco structure as stintered |
Application recommended | ||||||||
| Co | Tic/ TacNbc |
WC | Hall Flow | Apparent density |
Density | Hardness | Transverse rupture strength |
Coercivity | Magnetic saturation |
Porosity | ||
| s/25cm3 | g/cm3 | g/cm3 | HV 30 | N/mm2 | KA/m | % | ||||||
| K05 | 6 | 0.3 | 93.7 | 35 | 3.45 | 14.94 | 1650-1750 | ≥1560 | 19.5-24.5 | 5.1-5.9 | A02 B02 | For machining super-hard grey cast steel, hardening steel, chilled iron, high silicon-aluminum alloy,high wear-resistant plastic, hard paper plate and ceramics. |
| 6 | 2 | 92 | 35 | 2.85 | 14.95 | 1350-1500 | ≥1600 | 21.5-26.5 | 4.9-5.9 | A02 B02 | ||
| K10-K15 | 6 | 0.4 | 93.6 | 35 | 3.45 | 14.91 | 1665-1835 | ≥123 | 19.5-24.5 | 5.2-6.2 | A02 B02 | For machining cast iron with hardness higher than 200HB, short-chip forgeable cast iron, silicon-aluminum alloy, copper alloy, plastic, glass, ceramics and stones. |
| K20 | 6 | 0.4 | 93.6 | 35 | 3.25 | 14.9 | 1600-1700 | ≥1670 | 16.3-19.2 | 5.2-6.0 | A02 B02 | For machining grey cast iron with hardness lower than 200HB, non-ferrous metal, copper, brass and aluminum |
| 7.8 | 1 | 91.2 | 35 | 3.35 | 14.61 | ≥1400 | ≥2000 | 15.0-18.0 | 6.6-7.8 | A02 B02 | ||
| K30 | 6 | 2 | 92 | 35 | 3.45 | 14.8 | 1450-1600 | ≥1320 | 13.5-15.1 | 5.3-6.0 | A02 B00 | For machining low-hardness grey cast iron, low-strength steel and compact wood. |





