Outer Diameter mm	TK mm		Inner Diameter mm		Deviation of holes position≤(mm) a	Pitch mm
OD	TK	Tol.	ID	Tol.	Deviation of holes position≤(mm) a	P	Tol.
3.30	1.7	-0.3/0	0.400	±0.1	0.80	16.32	±0.23
4.30	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	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

Our advantage:

For raw material:

Constantly excellent WC powder produced by our own factory.

Spray drying tower and HIP sintering furnace

Cryogenic treatment to remove the internal stress

For grinding:

General h6 rods and h5 or h4 as required

Straightness 0.01-0.05

Circularity 0.01-0.05

General Roughness Ra 0.4, and Ra 0.2 or Ra 0.05 as required.

Available grades are as follows::

Recommended Application

Grade	Application
YF06	Suitable for machining composite materials, such as aluminum‐magnesium alloys, plastics, reinforced plastics, carbon, fiber, iron‐based alloys, etc. It is recommended for making big PCB drills of ф3.2‐6.3mm, micro drills of ф0.8‐3.2mm, micro-milling tools and reamers, etc.
YL10A	It is suitable for machining cast iron, aluminum alloys, etc. also for machining common steels. It is recommended for the drilling of cast iron and aluminum alloys.
YL10.2	It is suitable for machining common steel, cast iron, stainless steel, heat‐resistant steel, nickel-based alloys, titanium alloys, etc. It is recommended for making conventional tools, such as twist drills, end drills, screw taps, etc.
XF30	It is suitable for machining titanium alloy, heat‐resistant alloys, stainless steel, hardened steel, grey cast iron, glass‐fiber Reinforced plastics, composite materials, etc. It is recommended to make drills and milling tools, etc.

Cemented Carbide Solid Round Bar 8% Cobalt K40 - K50 With Fine Grain Size

Tungsten Carbide Rod