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Tungsten Carbide Helical Coolant Hole Rod 12% Cobalt Sub Fine Grain Size

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Tungsten Carbide Helical Coolant Hole Rod 12% Cobalt Sub Fine Grain Size

Country/Region	china
City & Province	zhuzhou hunan
Categories	Aluminum Alloy

Product Details

12% Cobalt Tungsten carbide helical coolant rods with sub-fine grain size K40

ISO K40

Cobalt: 12%

Outer diameter: 12.30mm

Inner diameter: 0.90 +/-0.15

TK: 4.20mm

Pitch: 44.93mm

Length: 330mm +3mm

Surface roughness: Raw sintered Ra 6.3 or as required

Application: Excellent abrasion resistance and excellent impact resistance. General-purpose grade grades for machining stainless steels, titanium alloys, nickel-based alloys, and other difficult-to-machine materials. Suitable for milling, and drilling.

Grade datasheet:

Binder	Hardness		T.R.S	Density	Grain size	ISO
	HRA	HV10
12%	92.2	1660	4000	14.15	sub-fine	K40

For more grades details, please kindly check the general datasheet in the following details:

Regular size for two helical coolant rods 40°:

Outer Diameter mm		TK mm		Inner Diameter mm		Deviation of holes position≤(mm) a	Pitch mm
OD	Tol.	TK	Tol.	ID	Tol.	Deviation of holes position≤(mm) a	P	Tol.
6.30	0/+0.3	1.9	-0.4/0	0.600	±0.15	0.15	18.85	±0.34
6.30		2.2	-0.4/0	0.500	±0.15	0.15	22.45	±0.42
8.30		2.7	-0.6/0	0.650	±0.15	0.15	29.95	±0.56
10.30	0/+0.3	3.5	-0.8/0	0.800	±0.15	0.20	37.44	±0.70
12.30		4.2	-0.8/0	0.900	±0.15	0.30	44.93	±0.84
14.30		4.7	-0.8/0	1.000	±0.20	0.37	52.42	±0.98
16.30		5.5	-0.8/0	1.200	±0.20	0.40	59.9	±1.12
18.30	0/+0.5	6.3	-0.8/0	1.400	±0.20	0.50	67.39	±1.26
20.30	0/+0.5	7.1	-1.0/0	1.500	±0.20	0.50	74.88	±1.40

Regular size for three helical coolant rods 30°:

Outer Diameter mm		TK mm		Inner Diameter mm		Deviation of holes position≤(mm) a	Pitch mm
OD	Tol.	TK	Tol.	ID	Tol.	Deviation of holes position≤(mm) a	P	Tol.
6.30	+0/+2.5	2.9	-0.4/0	0.500	±0.15	0.15	32.65	±0.46
8.30		4.0	-0.4/0	0.700	±0.15	0.15	45.53	±0.62
9.30		5.1	-0.6/0	0.850	±0.15	0.20	48.97	±0.69
10.30	+0/+2.75	5.1	-0.6/0	0.850	±0.15	0.20	54.41	±0.77
12.30	+0/+2.75	6.3	-0.6/0	1.100	±0.15	0.30	65.3	±0.92
14.30	+0/+3.5	7.3	-0.8/0	1.400	±0.20	0.40	76.18	±1.08
15.30		7.8	-0.8/0	1.400	±0.20	0.40	81.62	±1.15
16.30		8.3	-0.8/0	1.600	±0.20	0.40	87.06	±1.23
18.30		9.5	-0.8/0	1.700	±0.20	0.50	97.95	±1.38
20.30		10.2	-0.8/0	1.900	±0.25	0.50	108.83	±1.54

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.

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