K10 Solid Tungsten Carbide Drill Bits For Metal Countersink Type

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Hunan Golden Globe I&E O.E.D Co., Ltd.

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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
	Co	Tic/ TacNbc	WC	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.
K05	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
K20	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.

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Solid Tungsten Carbide Drill Bits For Metal

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