tungsten carbide bars

Hunan Renowned Trademark: Tongyi brand ISO 9001:2008 certificated

It haved good wear resistance and blending strength.

It can be used to produce a variety of drills.

Automotive special tools, printed circuit board dedicated tools, engine-specific tools, watches processing special tools, the overall milling cutter, reamer whole, graver, etc., but also to produce carbide punch, mandrel, and the perforated top tool.

We can supply many size, specification: 2.0~~18, length up to 330mm.

Grade	Equal to ISO Category Number	Performance
		Density	Bend Strength	Hardness	uses
		G/Cm3	N/mm2	HRA
TYK10	K05-K10	≥14.9	≥3800	≥93.2	Suitable for machining aluminum-magnesium alloys, glass fiber, carbon fiber,wood, harden plastic and iron-based alloys, etc.It is recommended for making PCB micro drills and drills of other materials
TYK20	K10-K20	≥14.65	≥3800	≥92.8	Suitable for machining cast irons,aluminum alloys,meterial,etc, and also can be used for the  machining of common steel.   It is recommended for the drilling of cast iron,aluminium alloy.
TYK30	K20-K30	14.45	≥4000	≥91.8	A good material for general-purpose, Suitable for making solid carbide tool for machining heat-resistant alloys and it can also be used for making microdrills for PCB.    It is recommended for making differenct specification tools, such as drills, end mills, screw taps, rotating file.
TYK40	K30-K40	≥14.15	≥4000	≥92.0	Suitable for machining nickel based alloys, titanium alloys, stainless steel,mould steel,chilled hardened steel and grey cast irons, etc.    It is recommended for making milling tools and reamers.    Suitable for high speed machining.

tungsten carbide bars