Solid Carbide Helical Coolant Hole Rod K15 OD 8.3mm Tungsten Rod Stock

Price Negotiable

Price: negotiable

MOQ: 10pc

Delivery Time: Standard products in one week

Brand: OUQI

Product Description

OD8.3mm Solid carbide helical coolant holes blank for making endmills drills

ISO K15

Cobalt: 6%

Outer diameter: 8.3mm +0.3

Inner diameter: 1.0 +/-0.15

TK: 3.5mm

Pitch: 42.53mm

Length: 330mm +3mm

Surface roughness: Raw sintered Ra 6.3 or as required

Application: for gun drills with an adapted relation between hardness and toughness. Suitable also for diamond-coated solid carbide tools..

Grade datasheet:

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

Regular size for two 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.
3.30	+0/+0.3	1.7	-0.3/0	0.400	±0.1	0.80	16.32	±0.23
4.30	+0/+0.4	2.2	-0.3/0	0.600	±0.15	0.80	21.77	±0.31
5.30		2.6	-0.4/0	0.700	±0.15	0.10	27.21	±0.38
6.30		2.6	-0.4/0	0.700	±0.15	0.13	32.65	±0.46
6.30		2.6	-0.4/0	1.000	±0.15	0.15	32.65	±0.46
7.30		3.7	-0.4/0	1.000	±0.15	0.15	38.09	±0.54
8.30		4.0	-0.4/0	1.000	±0.15	0.15	43.53	±0.62
8.30		3.5	-0.4/0	1.000	±0.15	0.15	42.53	±0.62
8.30		2.8	-0.4/0	1.000	±0.15	0.15	43.53	±0.62
9.30		4.8	-0.6/0	1.400	±0.15	0.20	48.97	±0.62
10.30	+0/+0.6	4.8	-0.6/0	1.400	±0.15	0.20	54.41	±0.77
10.30		2.6	-0.4/0	0.700	±0.15	0.20	54.41	±0.77
10.30		3.0	-0.4/0	1.000	±0.15	0.20	54.41	±0.77
10.30		5.0	-0.6/0	1.400	±0.15	0.20	54.41	±0.77
11.30		5.3	-0.8/0	1.400	±0.15	0.28	59.86	±0.85
12.30		6.3	-0.8/0	1.400	±0.15	0.30	65.3	±0.92
12.30		6.0	-0.8/0	1.750	±0.2	0.30	65.3	±1.00
13.3		6.5	-0.8/0	1.750	±0.2	0.34	70.74	±1.08
14.3		7.1	-0.8/0	1.750	±0.2	0.37	16.18	±1.08
14.3		3.5	-0.4/0	0.800	±0.15	0.37	76.18	±1.08
14.3		4.5	-0.6/0	1.400	±0.15	0.37	76.18	±1.08
15.3		7.7	-0.8/0	1.750	±0.2	0.4	81.62	±1.08
16.3		8.3	-0.8/0	1.750	±0.2	0.4	87.06	±1.23
16.3		8	-0.8/0	2.000	±0.2	0.4	87.06	±1.23
17.3		8.9	-0.8/0	1.750	±0.2	0.47	92.5	±1.31
18.3		9.55	-0.8/0	2.000	±0.2	0.5	97.95	±1.38
18.3		9.15	-0.8/0	1.750	±0.2	0.5	97.95	±1.38
19.3		10	-0.8/0	2.000	±0.2	0.5	103.39	±1.46
20.3		10.4	-1.0/0	2.000	±0.2	0.5	108.83	±1.54

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.