cemented carbide ground rods

Hunan Renowned Trademark: Tongyi brand ISO 9001:2008 certificate 100% virgin powder Can offer both blank and grinding

rods  are one of  our best products , it is mainly used for drill bits , endmills, reamerThe recommand grade is YL10.2 / TYK10/TYK20/TYK30. 

 they are meet the ISO9001:2000 quanlity standard , and with competitive price .  

We can do both grinded and blanks . diameter from 1.0mm  to 22.0mm ,  with length below 330mm.

GRADE CHART:

 

 

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.

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cemented carbide ground rods