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Address:905,Builing 2,World Trade Plaza,628 xinhua west Road,Hetang District ,Zhuzhou Hunan,China
Zip Code:412000
Telephone:+86-731-28814078
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Email : info@eg-hardmetal.com
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- www.300.cn | Manager
Products Categories
Tungsten Carbide Rods with Double Spiral Holes
Tungsten Carbide Rods with Double Spiral Holes
Size:
Diameter: 1-40mm (HIP Extrusion)
Standard Length: 310/330mm
Widely used in endmills, drills, PCB drills, PCB routers etc.
Application:
-For making tungsten carbide dental burrs
-For making tungsten carbide PCB drills, drills, end mills & hole drilling tools
-For making tungsten carbide reamers
-For making tungsten carbide mold punches
-For making tungsten carbide core pins
The Specification Range of extruded Grounded Tungsten Carbide Rod :
WC Grain size range: 0.3~0.5μ.m; 0.5~0.9μ.m; 1.0~1.3μ.m; 1.4~2.0μ.m.
Length range:3mm-600mm; (General Length: 100mm,300mm,320mm,330mm)
Diameter Grade: h4(H4), h5(H5), h6(H6), h7(H7), h8(H8), h9(H9), etc.
Good grinding machine to ensure the sphencity & the Linearity of rod at higher level standard;
Sphericity tolerance range: 0.001mm ~ 0.005mm;
Linearity tolerance range: 0.001mm~0.1mm;
Surface Roughness can be reached to: RA0.04.(reach a mirror effect surface after fine grinding)

Unground |
Ground h6 |
L Tol.0/ +5 |
HE-30° |
2H-30° |
Pitch |
|||||||
D |
Tol. |
TK |
Tol. |
d |
Tol. |
TK |
Tol. |
d |
Tol. |
|||
4.3 |
+0.3 / +1.3 |
4.0 |
330 |
2.10 |
±0.1 |
0.60 |
±0.1 |
2.10 |
±0.1 |
0.60 |
±0.1 |
21.77 |
5.3 |
5.0 |
2.10 |
±0.2 |
0.70 |
|
±0.2 |
|
27.21 |
||||
6.3 |
6.0 |
2.70 |
0.80 |
2.40 |
0.70 |
32.65 |
||||||
7.3 |
7.0 |
3.50 |
1.00 |
±0.15 |
|
|
±0.15 |
38.09 |
||||
8.3 |
8.0 |
3.40 |
1.00 |
3.80 |
1.00 |
43.53 |
||||||
9.3 |
9.0 |
4.50 |
±0.3 |
1.40 |
|
±0.3 |
|
48.97 |
||||
10.3 |
10.0 |
4.80 |
1.30 |
4.50 |
1.40 |
54.41 |
||||||
11.3 |
11.0 |
4.90 |
±0.4 |
1.40 |
|
±0.4 |
|
59.86 |
||||
12.3 |
12.0 |
6.30 |
1.70 |
±0.20 |
5.85 |
1.40 |
±0.20 |
65.3 |
||||
13.3 |
13.0 |
6.10 |
1.75 |
|
|
70.74 |
||||||
14.3 |
14.0 |
6.70 |
1.80 |
6.70 |
1.75 |
76.18 |
||||||
15.3 |
15.0 |
7.30 |
1.75 |
|
|
81.62 |
||||||
16.3 |
16.0 |
8.00 |
2.00 |
7.90 |
1.75 |
87.06 |
||||||
17.3 |
17.0 |
8.50 |
1.75 |
|
|
92.5 |
||||||
18.3 |
18.3 |
9.00 |
±0.45 |
2.30 |
9.15 |
2.00 |
±0.25 |
87.95 |
||||
19.3 |
19.0 |
9.70 |
±0.4 |
2.00 |
±0.25 |
|
|
103.39 |
||||
20.3 |
20.0 |
10.0 |
±0.5 |
2.50 |
±0.20 |
9.90 |
±0.5 |
2.00 |
108.83 |