Suitable for boring,milling,drilling,tapping,grinding,carving processing.
型號
Model No.
dh7
D
D1
D2
L
L1
L2
L3
彈性收縮量
Collapsible
Capacity
ER8
1.0-5.0
8
8.45
6.5
13.5
2.98
1.5
1.2
0.5
ER11
1.0-7.0
11
11.5
9.5
18
3.8
2.5
2
0.5
ER16
1.0-2.5
16
17
13.8
27.5
6.26
4
2.7
0.5
ER16
>2.5-10.0
16
17
13.8
27.5
6.26
4
2.7
1
ER20
1.0-2.5
20
21
17.4
31.5
6.36
4.8
2.8
0.5
ER20
>2.5-13.0
20
21
17.4
31.5
6.36
4.8
2.8
1
ER20
1.0-2.5
25
26
22
34
6.66
5
3.1
0.5
ER25
>2.5-16.0
25
26
22
34
6.66
5
3.1
1
ER25
2.0-2.5
32
33
29.2
40
7.16
5.5
3.6
0.5
ER32
>2.5-20.0
32
33
29.2
40
7.16
5.5
3.6
1
ER32
3.0-26.0
40
41
36.2
46
7.66
7
4.1
1
ER40
6.0-10.0
40
52
46
60
12.6
8.5
5.5
1
ER50
>2.5-20.0
50
52
46
60
12.6
8.5
5.5
2
特點：
材質 Material：1 SUJ2
硬度 Hardness：HRC 46
斜度 Obliquity：8
表面粗度RZ2.5以內,Surface roughness is within RZ2.5
同心度按DIN標準全數檢驗, Concentricity is followed DIN standard
夾持范圍 Clamping range: ER11=0.5mm;ER16,20,25,32,40=1mm
內孔經過精密搪磨加工 Inside hole is ground
