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Tungsten Carbide Nibs for Cold Heading Dies
Tungsten Carbide Nibs for Cold Heading Dies

Tungsten Carbide Nibs for Cold Heading Dies

Specification
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
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