直柄麻花钻的形式、尺寸和技术要求符合国际ISO标准和国家GB标准。
|
直径
|
全长
|
刃长
|
|
直径
|
全长
|
刃长
|
|
D
|
L
|
l
|
D
|
L
|
l
|
|
2.75
|
61
|
33
|
|
9.2
|
125
|
81
|
|
2.8
|
61
|
33
|
|
9.3
|
125
|
81
|
|
2.85
|
61
|
33
|
|
9.4
|
125
|
81
|
|
2.9
|
61
|
33
|
|
9.5
|
125
|
81
|
|
2.95
|
61
|
33
|
|
9.6
|
133
|
87
|
|
3
|
61
|
33
|
|
9.7
|
133
|
87
|
|
3.1
|
65
|
36
|
|
9.8
|
133
|
87
|
|
3.2
|
65
|
36
|
|
9.9
|
133
|
87
|
|
3.3
|
65
|
36
|
|
10
|
133
|
87
|
|
3.4
|
70
|
39
|
|
10.1
|
133
|
87
|
|
3.5
|
70
|
39
|
|
10.2
|
133
|
87
|
|
3.6
|
70
|
39
|
|
10.3
|
133
|
87
|
|
3.7
|
70
|
39
|
|
10.4
|
133
|
87
|
|
3.8
|
75
|
43
|
|
10.5
|
133
|
87
|
|
3.9
|
75
|
43
|
|
10.6
|
133
|
87
|
|
4
|
75
|
43
|
|
10.7
|
142
|
94
|
|
4.1
|
75
|
43
|
|
10.8
|
142
|
94
|
|
4.2
|
75
|
43
|
|
10.9
|
142
|
94
|
|
4.3
|
80
|
47
|
|
11
|
142
|
94
|
|
4.4
|
80
|
47
|
|
11.1
|
142
|
94
|
|
4.5
|
80
|
47
|
|
11.2
|
142
|
94
|
|
4.6
|
80
|
47
|
|
11.3
|
142
|
94
|
|
4.7
|
80
|
47
|
|
11.4
|
142
|
94
|
|
4.8
|
86
|
52
|
|
11.5
|
142
|
94
|
|
4.9
|
86
|
52
|
|
11.6
|
142
|
94
|
|
5
|
86
|
52
|
|
11.7
|
142
|
94
|
|
5.1
|
86
|
52
|
|
11.8
|
142
|
94
|
|
5.2
|
86
|
52
|
|
11.9
|
151
|
101
|
|
5.3
|
86
|
52
|
|
12
|
151
|
101
|
|
5.4
|
93
|
57
|
|
12.1
|
151
|
101
|
|
5.5
|
93
|
57
|
|
12.2
|
151
|
101
|
|
5.6
|
93
|
57
|
|
12.3
|
151
|
101
|
|
5.7
|
93
|
57
|
|
12.4
|
151
|
101
|
|
5.8
|
93
|
57
|
|
12.5
|
151
|
101
|
|
5.9
|
93
|
57
|
|
12.6
|
151
|
101
|
|
6
|
93
|
57
|
|
12.7
|
151
|
101
|
|
6.1
|
101
|
63
|
|
12.8
|
151
|
101
|
|
6.2
|
101
|
63
|
|
12.9
|
151
|
101
|
|
6.3
|
101
|
63
|
|
13
|
151
|
101
|
|
6.4
|
101
|
63
|
|
13.1
|
151
|
101
|
|
6.5
|
101
|
63
|
|
13.2
|
151
|
101
|
|
6.6
|
101
|
63
|
|
13.3
|
160
|
108
|
|
6.7
|
101
|
63
|
|
13.4
|
160
|
108
|
|
6.8
|
109
|
69
|
|
13.5
|
160
|
108
|
|
6.9
|
109
|
69
|
|
13.6
|
160
|
108
|
|
7
|
109
|
69
|
|
13.7
|
160
|
108
|
|
7.1
|
109
|
69
|
|
13.8
|
160
|
108
|
|
7.2
|
109
|
69
|
|
13.9
|
160
|
108
|
|
7.3
|
109
|
69
|
|
14
|
160
|
108
|
|
7.4
|
109
|
69
|
|
14.25
|
169
|
114
|
|
7.5
|
109
|
69
|
|
14.5
|
169
|
114
|
|
7.6
|
117
|
75
|
|
14.75
|
169
|
114
|
|
7.7
|
117
|
75
|
|
15
|
169
|
114
|
|
7.8
|
117
|
75
|
|
15.25
|
178
|
120
|
|
7.9
|
117
|
75
|
|
15.5
|
178
|
120
|
|
8
|
117
|
75
|
|
15.75
|
178
|
120
|
|
8.1
|
117
|
75
|
|
16
|
178
|
120
|
|
8.2
|
117
|
75
|
|
16.5
|
184
|
125
|
|
8.3
|
117
|
75
|
|
17
|
184
|
125
|
|
8.4
|
117
|
75
|
|
17.5
|
191
|
130
|
|
8.5
|
117
|
75
|
|
18
|
191
|
130
|
|
8.6
|
125
|
81
|
|
18.5
|
198
|
135
|
|
8.7
|
125
|
81
|
|
19
|
198
|
135
|
|
8.8
|
125
|
81
|
|
19.5
|
205
|
140
|
|
8.9
|
125
|
81
|
|
20
|
205
|
140
|
|
9
|
125
|
81
|
|
|
|
|
|
9.1
|
125
|
81
|
|
|
|
|
注：可提供左旋直柄麻花钻。