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Drills
(Taper Shank Twist Drills)


Standard No: GB1438
Material: H.S.S

Metric System:mm
Diameter
d
Overall Length
L
Flute Length
l
M.T.
NO.
5.00 133 52
1
5.50
138
57
6.00
6.50 144 63
7.0
150
69
7.50
8.00
156
75
8.20
8.50
9.00
162
81
9.20
9.50
9.80
168
87
10.0
10.10
10.20
10.30
10.40
10.50
10.70
175
94
10.80
10.90
11.00
11.10
11.20
11.30
11.40
11.50
11.70
11.80
11.90
182
101
12.00
12.10
12.20
12.30
12.50
12.70
12.80
13.00
13.10
13.20
13.30
189
108
13.50
13.70
13.80
13.90
14.00
14.25
212
114
2
14.30
14.50
14.70
14.75
14.80
15.00
15.10
218
120
15.25
15.30
15.40
15.50
15.70
15.75
15.90
16.60
16.25
223
125
16.30
16.50
16.70
16.75
17.00
17.25
228
130
17.30
17.40
17.50
17.70
17.75
17.90
18.00
18.20
223
135
18.30
18.50
18.70
18.75
19.00
19.25
238
140
19.30
19.40
19.50
19.70
19.75
19.90
20.00
20.25
243
145
20.30
20.50
20.70
20.75
20.80
20.90
21.00
21.25
248
150
21.30
21.50
21.70
21.75
21.90
22.00
22.25
22.30
22.50
253
155
22.70
22.75
20.80
22.90
23.00
23.25
276
155
3
23.50
23.70
281
160
23.75
23.90
24.00
24.25
24.30
24.50
24.70
24.75
24.90
25.00
25.25
248
165
25.30
25.40
25.50
25.70
25.75
25.90
26.00
26.10
26.25
26.30
26.50
26.70
291
170
26.75
26.90
27.00
27.25
27.30
27.50
27.70
27.75
27.90
28.00
28.25
296
175
28.30
28.50
28.70
28.75
28.90
29.00
29.25
29.30
29.25
29.30
29.50
29.70
29.75
29.90
30.00
30.20
301
180
30.25
30.50
30.75
30.90
31.00
31.25
31.50
31.75
306
185
31.80
334
4
32.00
32.50
32.90
33.00
33.50
33.90
339
190
34.00
34.50
34.80
35.00
35.50
35.90
344
195
36.00
36.50
36.90
37.00
37.30
37.50
37.80
349
200
37.90
38.00
38.50
38.90
39.00
39.20
39.50
39.90
40.00
40.30
354
205
40.50
40.80
41.00
41.50
41.90
42.00
42.50
43.00
359
210
43.50
44.00
44.50
45.00
45.50
364
215
46.00
46.50
47.00
47.50
48.00
369
220
48.50
49.00
49.50
50.00
50.50
374
225
51.00
412
5
52.00
53.00
54.00
417
230
55.00
56.00
57.00
422
235
58.00
59.00
60.00
Note: The Diameter of this item with ground flute is up to &Oslash25mm as special orders

Sets
Metric System:mm
9 Pcs per set 10 Pcs per set Packing
14.50
14.50
Wooden Boxes
16.00
15.00
18.00
16.00
20.00
17.00
22.00
18.00
24.00
19.00
26.00
20.00
28.00
21.00
30.00
22.00
/
23.00


 


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