Tungsten Carbide Nibs for Cold Heading Dies
Tungsten Carbide Nibs for Cold Heading Dies
Standard Specifications
| ΦD |
L |
Φd |
| 5.5 |
10-50 |
0.8-3.0 |
| 8 |
10-50 |
0.8-3.0 |
| 9 |
10-50 |
0.8-3.0 |
| 10 |
10-50 |
0.8-3.0 |
| 12 |
10-50 |
0.8-3.0 |
| 13 |
10-50 |
0.8-3.0 |
| 14 |
10-50 |
0.8-3.0 |
| 15 |
10-50 |
0.8-3.0 |
| 18 |
10-50 |
0.8-10 |
| 20 |
10-50 |
0.8-10 |
| 22 |
10-50 |
0.8-10 |
| 25 |
10-50 |
0.8-15 |
| 28 |
10-50 |
0.8-15 |
| 30 |
10-50 |
0.8-15 |
| 35 |
10-50 |
0.8-15 |
| 40 |
10-50 |
0.8-15 |
| 45 |
10-50 |
0.8-15 |
| 50 |
10-80 |
0.8-30 |
| 55 |
10-80 |
0.8-30 |
| 60 |
10-80 |
0.8-50 |
| 65 |
10-80 |
0.8-50 |
| 70 |
10-80 |
0.8-50 |
| 75 |
10-80 |
0.8-50 |
| 80 |
10-80 |
0.8-50 |
| 90 |
10-80 |
0.8-60 |
| 100 |
10-80 |
0.8-60 |
Standard Tolerance（No Allowance）
| OD（mm） |
L （mm) |
ID（mm) |
| ΦD |
Tol. |
L |
Tol. |
Φd |
Tol. |
| Φ3~Φ20 |
+0.3/+1.2 |
1~10 |
+0.5/+1.2 |
Φ0.8~Φ4 |
-0.5/-0.2 |
| Φ20.1~Φ50 |
+0.3/+1.5 |
10.1~50 |
+0.5/+1.6 |
Φ4.01~Φ25 |
-1.2/-0.3 |
| Φ50.1~Φ80 |
+0.3/+1.6 |
50.1~80 |
+0.5/+1.8 |
Φ25.01~Φ50 |
-1.6/-0.4 |
| Φ80.1 |
+0.3/+1.8 |
80.01 |
+0.5/+2.0 |
Φ50.01 |
-2.2/-0.6
|
Standard Tolerance（with Allowance）
| OD（mm） |
L （mm) |
ID（mm) |
| ΦD |
Tol. |
L |
Tol. |
Φd |
Tol. |
| Φ5~Φ15 |
+0.2/+0.6 |
1~10 |
+0.2/+0.6 |
Φ0.8~Φ3.0 |
-0/-0.2 |
| Φ15.01~Φ40 |
+0.2/+0.6 |
10.1~50 |
+0.2/+0.8 |
Φ3.01~Φ8.0 |
-0/-0.4 |
| Φ40.01~Φ50 |
+0.2/+1.0 |
50.1~80 |
+0.2/+1.0 |
Φ8.01~Φ15 |
-0/-0.5 |
| Φ50.01~Φ80 |
+0.2/+1.2 |
80.01 |
+0.2/+1.2 |
Φ15.01~Φ40 |
-0/-0.8 |
| Φ50.01~Φ80 |
+0.2/+1.2 |
80.01 |
+0.2/+1.2 |
Φ40.01 |
-0/-0.8 |
| Grade |
Binder |
Grain Size |
Density |
Hardness |
T.R.S |
Referenced Grades |
Applications Example |
| % |
g/cm3 |
HRA |
≥N/mm2 |
| CT55 |
15 |
Coarse |
13.95 |
86 |
2800 |
NC12/ST6/EA60 |
不锈钢螺丝模 |
| CT70 |
18 |
13.6 |
85 |
2700 |
ST7/EA65/VA70 |
螺丝模 |
| CT80 |
20 |
13.45 |
84 |
2600 |
NC14/VA80 |
螺帽模、大规格螺丝模 |
| CT55 |
22 |
13.25 |
83 |
2500 |
NC16/VA90 |
螺帽模 |
| CT55 |
25 |
13 |
82.5 |
2400 |
EA90/VA95 |
法兰、花齿模 |
