Application: with a sub-fine grain size of 0.7μm, the hardness could be HV30 1850 and T.R.S 3500, good for making endmills for machining steel, and cast iron.

Recommended Carbide grade

Classification	K10
Co %	7
WC incl. doping	93
Density g/ cm3	14.7
Hardness HV30	1850
Fracture toughness	9.6
Transverse rupture strength	3500
Average grain size	0.7

Regular size for one central hole carbide rods:

Outer Diameter mm		Inner Diameter mm		Length mm
OD	Tol.	ID	Tol.	Length	Tol.
2.50	+0.2/+0.5	0.3	±0.1	330	0/+5.0
4.00	+0.2/+0.6	1.0	±0.15	330	0/+5.0
5.00		1.0	±0.15	330	0/+5.0
5.00		1.5	±0.15	330	0/+5.0
6.00		1.0	±0.15	330	0/+5.0
6.00		1.5	±0.15	330	0/+5.0
8.00		1.0	±0.15	330	0/+5.0
8.00		1.5	±0.15	330	0/+5.0
9.00	+0.3/+0.7	1.0	±0.15	330	0/+5.0
10.00		1.0	±0.15	330	0/+5.0
10.00		2.0	±0.2	330	0/+5.0
11.00		1.0	±0.15	330	0/+5.0
12.00		1.0	±0.15	330	0/+5.0
12.00		2.0	±0.2	330	0/+5.0
14.00		2.0	±0.2	330	0/+5.0
16.00	+0.4/+0.8	2.0	±0.2	330	0/+5.0
16.00		3.0	±0.25	330	0/+5.0
18.00		3.0	±0.25	330	0/+5.0
20.00		3.0	±0.25	330	0/+5.0
22.00		3	±0.25	330	0/+5.0
24.00		4	±0.30	330	0/+5.0
25.00		5	±0.35	330	0/+5.0

Regular size for two straight coolant holes carbide rods:

Outer Diameter mm		TK mm		Inner Diameter mm		Deviation of holes position≤(mm) a	Length mm
OD	Tol.	TK	Tol.	ID	Tol.	Deviation of holes position≤(mm) a	Length	Tol.
4.30	+0/+0.3	1.8	-0.4/0	0.800	±0.1	0.15	330	0/+5.0
5.30		2.0	-0.4/0	0.800	±0.1	0.20	330	0/+5.0
6.30		3.0	-0.5/0	1.000	±0.15	0.20	330	0/+5.0
7.30		3.5	-0.5/0	1.000	±0.15	0.20	330	0/+5.0
8.30		4.0	-0.6/0	1.000	±0.15	0.20	330	0/+5.0
9.30		4.0	-0.6/0	1.400	±0.15	0.20	330	0/+5.0
10.30		5.0	-0.6/0	1.400	±0.15	0.20	330	0/+5.0
11.30	+0/+0.4	5.0	-0.6/0	1.400	±0.15	0.28	330	0/+5.0
12.30		6.0	-0.6/0	1.750	±0.15	0.30	330	0/+5.0
13.30		6.0	-0.6/0	1.750	±0.15	0.34	330	0/+5.0
14.30		7.0	-0.6/0	1.750	±0.15	0.37	330	0/+5.0
15.30		8.0	-0.6/0	2.000	±0.2	0.37	330	0/+5.0
16.30		8.0	-0.6/0	2.000	±0.2	0.40	330	0/+5.0
17.30	+0/+0.6	9.0	-0.6/0	2.000	±0.2	0.47	330	0/+5.0
18.30		9.0	-0.6/0	2.000	±0.2	0.50	330	0/+5.0
19.30		9.0	-0.6/0	2.000	±0.2	0.50	330	0/+5.0
20.30		10.0	-0.8/0	2.500	±0.25	0.50	330	0/+5.0

General Tolerance for ground carbide rods

General tolerance for the h6 finished ground solid carbide rods
Diameter	Tolerance μm	Length	Tolerance	Straightness	Tolerance	Circularity	Tolerances
＜3.0	-6/0	＜100.0	+0.5/+1.0	＜4.0	0.07	<3,0	2,0 micron
3.0-6.0	-8/0	100.0-165.0	+1.0/+2.5	4.5-5.0	0.06	3,0- 6,0	2,5 micron
6.0-1.0	-9/0	165.0-335.0	+1.0/+6.0	5.5-12	0.05	6,1-10,0	3,0 micron
10.0-18.0	-11/0			＞12.5	0.04	10,1-18,0	3,5 micron
18.0-30.0	-13/0					18,1- 30,0	4,0 micron
30.0-50.0	-16/0					30,1- 50,0	5,0 micron

Our tungsten carbide rods:

100% virgin material, no recycled material
Spray drying tower and HIP sintering furnace
Constant excellent quality
Large stock for all sizes, the regular products can be shipped in 3 days, and the special rods can be ground in one week.
100% inspected before delivery. The inspection including raw material and dimension report will be sent you before delivery
Excellent grinding quality, Straightless and circularity could be 0.05 or 0.02.

Finished Ground Tungsten Carbide Rod With Straight Hole OD 20mm Ra 0.2

Tungsten Carbide Rod

Carbide Rods With Chamfer

Cemented Carbide Milling Blanks

Unground Carbide Rods

Ground Carbide Rods

Carbide Drill Blanks

Helical Coolant Hole Rod

Carbide Rod With Straight Hole

Tungsten Carbide Strip

Tungsten Carbide Burr Blank

Tungsten Carbide Studs

Carbide Button Bits

Finished Ground Tungsten Carbide Rod With Straight Hole OD 20mm Ra 0.2

Regular size for two straight coolant holes carbide rods:

General Tolerance for ground carbide rods

Carbide grades

What we can provide

ground tungsten carbide rod

tungsten carbide welding rod

4mm tungsten carbide rods