1.  Twist Drills

2.  Milling Cutters

3.  Reamers

4.  Rapid Drill

5.  Annular Cutters

6.  Others

7.  H.S.S TAPS

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 































 

 
>> Products
Taper shank inner-cooling twist drills
GB/T 6135.3-1996
product NO 
Diameter
Flute length
Total length
Shank NO
product NO
Diameter
Flute length          
Total length      
Shank NO
product NO
Diameter
Flute length
Total length
Shank NO
AY1
20.25
145
 
243
 
 
 
 
 
 
 
 
 
 
 
2
AY44
31.00
180
301
 
 
 
 
3
AY87
52.00
225
412
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
5
AY2
20.50
145
 
243
AY45
31.25
180
301
AY88
53.00
225
412
AY3
20.75
145
 
243
AY46
31.50
180
301
AY89
54.00
230
417
AY4
21.00
145
 
243
AY47
31.75
185
306
AY90
55.00
230
417
AY5
21.25
150
248
AY48
32.00
185
334
 
 
 
 
 
 
 
 
 
4
 
 
 
 
 
 
 
 
 
 
AY91
56.00
230
417
AY6
21.50
150
248
AY49
32.50
185
334
AY92
57.00
235
422
AY7
21.75
150
248
AY50
33.00
185
334
AY93
58.00
235
422
AY8
22.00
150
248
AY51
33.50
185
334
AY94
59.00
235
422
AY9
22.25
150
248
AY52
34.00
190
339
AY95
60.00
235
422
AY10
22.50
155
253
AY53
34.50
190
339
AY96
61.00
240
427
AY11
22.75
155
253
AY54
35.00
190
339
AY97
62.00
240
427
AY12
23.00
155
253
AY55
35.50
190
339
AY98
63.00
240
427
AY13
23.25
 
155
276
 
 
 
 
 
 
 
 
 
 
3
 
 
 
 
 
 
 
AY56
36.00
195
344
AY99
64.00
245
432
AY14
23.50
155
276
AY57
36.50
195
344
AY100
65.00
245
432
AY15
23.75
 
160
281
AY58
37.00
195
344
AY101
66.00
245
432
AY16
24.00
160
281
AY59
37.50
195
344
AY102
67.00
245
432
AY17
24.25
 
160
281
AY60
38.00
200
349
AY103
68.00
250
437
AY18
24.50
 
160
281
AY61
38.50
200
349
AY104
69.00
250
437
AY19
24.75
160
281
AY62
39.00
200
349
AY105
70.00
250
437
AY20
25.00
 
160
281
AY63
39.50
200
349
AY106
71.00
250
437
AY21
25.25
 
165
286
AY64
40.00
200
349
AY107
72.00
255
442
AY22
25.50
 
165
286
AY65
40.50
205
354
AY108
73.00
255
442
AY23
25.75
 
165
286
AY66
41.00
205
354
AY109
74.00
255
442
AY24
26.00
 
165
286
AY67
41.50
205
354
AY110
75.00
255
442
 
AY25
26.25
 
165
286
AY68
42.00
205
354
AY111
76.00
260
447
 
AY26
26.50
 
165
286
AY69
42.50
205
354
AY112
77.00
260
514
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
6
AY27
26.75
 
170
291
AY70
43.00
210
359
AY113
78.00
260
514
AY28
27.00
 
170
291
AY71
43.50
210
359
AY114
79.00
260
514
AY29
27.25
 
170
291
AY72
44.00
210
359
AY115
80.00
260
514
AY30
27.50
 
170
291
AY73
44.50
210
359
AY116
81.00
270
519
AY31
27.75
 
170
291
AY74
45.00
210
359
AY117
82.00
270
519
AY32
28.00
 
170
291
AY75
45.50
215
364
AY118
83.00
270
519
AY33
28.25
 
175
296
AY76
 
46.00
215
364
AY119
84.00
270
519
AY34
28.50
 
175
296
AY77
46.50
215
364
AY120
85.00
265
519
AY35
28.75
 
175
296
AY78
47.00
215
364
AY121
86.00
270
524
AY36
29.00
 
175
296
AY79
47.50
215
364
AY122
87.00
270
524
AY37
29.25
 
175
296
AY80
48.00
220
369
AY123
88.00
270
524
AY38
29.50
 
175
296
AY81
48.50
220
369
AY124
89.00
270
524
AY39
29.75
 
175
296
AY82
49.00
220
369
AY125
90.00
270
524
AY40
30.00
 
175
296
AY83
49.50
220
369
AY126
91.00
275
529
AY41
30.25
 
180
301
AY84
50.00
220
369
 
AY127
92.00
275
529
AY42
30.50
 
180
301
AY85
50.50
225
374
 
AY128
93.00
275
529
AY43
30.75
180
301
AY86
51.00
225
412
5
AY129
94.00
275
529