Types available are:

Tungsten carbide rods diameter from 0.5mm-45mm, length from 38.1mm-1000mm
One coolant hole rods diameter from 3mm -30mm, length is 330mm
Two coolant holes rods diameter from 4mm -20mm, length is 330mm
Two spiral coolant hole with 30 degree, diameter from 6mm -20mm, length is 330mm

Normal Grades are:
GW10    WC: 90%, CO:10%, Grain size: 0.8, Density: 14.4, Hardness: 91.8HRA, T.R.S: 3800
GW06    WC: 94%, CO:6%, Grain size: 0.4, Density: 14.85, Hardness: 94.8HRA, T.R.S: 3800
GW08    WC: 92%, CO:8%, Grain size: 0.4, Density: 14.65, Hardness: 93.6HRA, T.R.S: 3800
GW12    WC: 88%, CO:12%, Grain size: 0.4, Density: 14.25, Hardness: 92.6HRA, T.R.S: 3500

SUitable for making:
carbide end mills
carbide drills
carbide reamers
carbide taps
othe sepcial cutting tools

Tolerance:
h6 as normal requirment:
-0.008/0

Runout: 
0.005

Any special requiremtn on materials and tolerance are acceptable!

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More information, please kindly contact us.

Best regards
GREWIN CARBIDE