攻螺纹前钻孔用阶梯麻花钻
攻螺纹前钻孔用直柄阶梯麻花钻(摘自GB/T 6138.1-1997)
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攻螺纹前钻孔用直柄阶梯麻花钻 (摘自GB/T6138.1—1997) (mm) |
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d1 h9 |
2.5 |
3.3 |
4.2 |
5.0 |
6.8 |
8.5 |
10.2 |
12.0 |
2.65 |
3.50 |
4.50 |
5.20 |
7.00 |
8.80 |
10.50 |
12.50 |
|
d2 h8 |
3.4 |
4.5 |
5.5 |
6.6 |
9.0 |
11.0 |
14.0 |
16.0 |
3.4 |
4.5 |
5.5 |
6.6 |
9.0 |
11.0 |
14.0 |
16.0 |
|
l |
70 |
80 |
93 |
101 |
125 |
142 |
160 |
178 |
70 |
80 |
93 |
101 |
125 |
142 |
160 |
178 |
|
l1 |
39 |
47 |
57 |
63 |
81 |
94 |
108 |
120 |
39 |
47 |
57 |
63 |
81 |
94 |
108 |
120 |
|
l2 js16 |
8.8 |
11.4 |
13.6 |
16.5 |
21.0 |
25.5 |
30.0 |
34.5 |
8.8 |
11.4 |
13.6 |
16.5 |
21.0 |
25.5 |
30.0 |
34.5 |
|
适用的 螺纹孔 |
M3 |
M4 |
M5 |
M6 |
M8 |
M10 |
M12 |
M14 |
M3×0.35 |
M4×0.5 |
M5×0.5 |
M6×0.75 |
M8×1 |
M10×1.25 |
M12×1.5 |
M14×1.5 |
用莫氏锥柄阶梯麻花钻(摘自GB/T 6138.2-1997)
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用莫氏锥柄阶梯麻花钻 (摘自GB/T 6138.2—1997) (mm) |
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|---|---|---|---|---|---|---|
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|
d1 h9 |
d2 h8 |
l1 |
l2 js16 |
l |
适用的螺纹孔 |
莫氏圆锥号 |
|
6.8 |
9.0 |
81 |
21.0 |
162 |
M8 |
1 |
|
8.5 |
11.0 |
94 |
25.5 |
175 |
M10 |
|
|
10.2 |
14.0 |
108 |
30.0 |
189 |
M12 |
|
|
12.0 |
16.0 |
120 |
34.5 |
218 |
M14 |
2 |
|
14.0 |
18.0 |
130 |
38.5 |
228 |
M16 |
|
|
15.5 |
20.0 |
140 |
43.5 |
238 |
M18 |
|
|
17.5 |
22.0 |
150 |
47.5 |
248 |
M20 |
|
|
19.5 |
24.0 |
160 |
51.5 |
281 |
M22 |
3 |
|
21.0 |
26.0 |
165 |
56.5 |
286 |
M24 |
|
|
24.0 |
30.0 |
175 |
62.5 |
296 |
M27 |
|
|
26.5 |
33.0 |
185 |
70.0 |
334 |
M30 |
4 |
|
7.0 |
9.0 |
81 |
21.0 |
162 |
M8×1 |
1 |
|
8.8 |
11.0 |
94 |
25.5 |
175 |
M10×1.25 |
|
|
10.5 |
14.0 |
108 |
30.0 |
189 |
M12×1.5 |
|
|
12.5 |
16.0 |
120 |
34.5 |
218 |
M14×1.5 |
2 |
|
14.5 |
18.0 |
130 |
38.5 |
228 |
M16×1.5 |
|
|
16.0 |
20.0 |
140 |
43.5 |
238 |
M18×2 |
|
|
18.0 |
22.0 |
150 |
47.5 |
248 |
M20×2 |
|
|
20.0 |
24.0 |
160 |
51.5 |
281 |
M22×2 |
3 |
|
22.0 |
26.0 |
165 |
56.5 |
286 |
M24×2 |
|
|
25.0 |
30.0 |
175 |
62.5 |
296 |
M27×2 |
|
|
28.0 |
33.0 |
185 |
70.0 |
334 |
M30×2 |
4 |
