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

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

Price Negotiable

Price: negotiable

MOQ: 10pc

Delivery Time: Standard products in one week

Brand: OUQI

Product Description

Cast iron endmills blank OD20mm carbide rods with one coolant hole

ISO K10

Cobalt: 7% , other WC 93%

Outer diameter 20mm +0.2/+0.5

Inner diameter: 3.0mm ±0.15

Length: 120mm 0/+0.5mm

Surface roughness: Raw sintered

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.