Straight Shank Twist Drills (Inch system)
Standard No: ANSIB94,JOBBERS
Material: H.S.S
British System: inch
|
Diameter d (mm)
|
Overall Length L
|
Flute Length l
|
1/64 |
0.397
|
3/4
|
3/16
|
1/32 |
0.794
|
1-3/8
|
1/2
|
3/64 |
1.919
|
1-3/4
|
3/4
|
1/16 |
1.588
|
1-7/8
|
7/8
|
5/64 |
1.984
|
2"
|
1"
|
3/32 |
2.381
|
2-1/4
|
1-1/4
|
7/64 |
2.778
|
2-5/8
|
1-1/2
|
1/8 |
3.175
|
2-3/4
|
1-5/8
|
9/64 |
3.572
|
2-7/8
|
1-3/4
|
5/32 |
3.969
|
3-1/8
|
2"
|
11/64 |
4.336
|
3-1/4
|
2-1/8
|
3/16 |
4.763
|
3-1/2
|
2-5/16
|
13/64 |
5.159
|
3-5/8
|
2-7/16
|
7/32 |
5.556
|
3-3/4
|
2-1/2
|
15/64 |
5.953
|
3-7/8
|
2-5/8
|
1/4 |
6.350
|
4"
|
2-3/4
|
17/64 |
6.747
|
4-1/8
|
2-7/8
|
9/32 |
7.144
|
4-1/4
|
2-15/16
|
19/64 |
7.541
|
4-3/8
|
3-1/16
|
5/16 |
7.938
|
4-1/2
|
3-3/16
|
21/64 |
8.334
|
4-5/8
|
3-5/16
|
11/32 |
8.731
|
4-3/4
|
3-7/16
|
23/64 |
9.128
|
4-7/8
|
3-1/2
|
3/8 |
9.525
|
5"
|
3-5/8
|
25/64 |
9.922
|
5-1/8
|
3-3/4
|
11/32 |
10.319
|
5-1/4
|
3-7/8
|
27/64 |
10.716
|
5-3/8
|
3-15/16
|
7/16 |
11.113
|
5-1/2
|
4-1/16
|
29/64 |
11.509
|
5-5/8
|
4-3/16
|
15/32 |
11.906
|
5-3/4
|
4-5/16
|
31/64 |
12.303
|
5-7/8
|
4-3/8
|
1/2 |
12.700
|
6"
|
4-1/2
|
|
NO.1 |
5.791
|
3-7/8
|
2-5/8
|
NO.2 |
5.613
|
3-7/8
|
2-5/8
|
NO.3 |
5.410
|
3-3/4
|
2-1/2
|
NO.4 |
5.309
|
3-3/4
|
2-1/2
|
NO.5 |
5.220
|
3-3/4
|
2-1/2
|
NO.6 |
5.182
|
3-3/4
|
2-1/2
|
NO.7 |
5.105
|
3-5/8
|
2-7/16
|
NO.8 |
5.055
|
3-5/8
|
2-7/16
|
NO.9 |
4.978
|
3-5/8
|
2-7/16
|
NO.10 |
4.915
|
3-5/8
|
2-7/16
|
NO.11 |
4.851
|
3-1/2
|
2-5/16
|
NO.12 |
4.801
|
3-1/2
|
2-5/16
|
NO.13 |
4.699
|
3-1/2
|
2-5/16
|
NO.14 |
4.623
|
3-3/8
|
2-3/16
|
NO.15 |
4.572
|
3-3/8
|
2-3/16
|
NO.16 |
4.496
|
3-3/8
|
2-3/16
|
NO.17 |
4.394
|
3-3/8
|
2-3/16
|
NO.18 |
4.305
|
3-1/4
|
2-1/8
|
NO.19 |
4.216
|
3-1/4
|
2-1/8
|
NO.20 |
4.089
|
3-1/4
|
2-1/8
|
NO.21 |
4.039
|
3-1/4
|
2-1/8
|
NO.22 |
3.988
|
3-1/8
|
2"
|
NO.23 |
3.912
|
3-1/8
|
2"
|
NO.24 |
3.861
|
3-1/8
|
2"
|
NO.25 |
3.797
|
3"
|
1-7/8
|
NO.26 |
3.734
|
3"
|
1-7/8
|
NO.27 |
3.658
|
3"
|
1-7/8
|
NO.28 |
3.569
|
2-7/8
|
1-3/4
|
NO.29 |
3.454
|
2-7/8
|
1-3/4
|
NO.30 |
3.264
|
2-3/4
|
1-5/8
|
NO.31 |
3.048
|
2-3/4
|
1-5/8
|
NO.32 |
2.946
|
2-3/4
|
1-5/8
|
NO.33 |
2.870
|
2-5/8
|
1-1/2
|
NO.34 |
2.819
|
2-5/8
|
1-1/2
|
NO.35 |
2.794
|
2-5/8
|
1-1/2
|
NO.36 |
2.705
|
2-1/2
|
1-7/16
|
NO.37 |
2.642
|
2-1/2
|
1-7/16
|
NO.38 |
2.578
|
2-1/2
|
1-7/16
|
NO.39 |
2.527
|
2-3/8
|
1-3/8
|
NO.40 |
2.489
|
2-3/8
|
1-3/8
|
NO.41 |
2.438
|
2-3/8
|
1-3/8
|
NO.42 |
2.375
|
2-1/4
|
1-1/4
|
NO.43 |
2.261
|
2-1/4
|
1-1/4
|
NO.44 |
2.184
|
2-1/8
|
1-1/8
|
NO.45 |
2.083
|
2-1/8
|
1-1/8
|
NO.46 |
2.057
|
2-1/8
|
1-1/8
|
NO.47 |
1.994
|
2"
|
1"
|
NO.48 |
1.930
|
2"
|
1"
|
NO.49 |
1.854
|
2"
|
1"
|
NO.50 |
1.778
|
2"
|
1"
|
NO.51 |
1.702
|
2"
|
1"
|
NO.52 |
1.613
|
1-7/8
|
7/8
|
NO.53 |
1.511
|
1-7/8
|
7/8
|
NO.54 |
1.397
|
1-7/8
|
7/8
|
NO.55 |
1.321
|
1-7/8
|
7/8
|
NO.56 |
1.181
|
1-3/4
|
3/4
|
NO.57 |
1.092
|
1-3/4
|
3/4
|
NO.58 |
1.067
|
1-5/8
|
11/16
|
NO.59 |
1.041
|
1-5/8
|
11/16
|
NO.60 |
1.016
|
1-5/8
|
11/16
|
NO.61 |
0.991
|
1-5/8
|
11/16
|
NO.62 |
0.965
|
1-1/2
|
5/8
|
NO.63 |
0.940
|
1-1/2
|
5/8
|
NO.64 |
v 0.914
|
1-1/2
|
5/8
|
NO.65 |
0.889
|
1-1/2
|
5/8
|
NO.66 |
0.838
|
1-3/8
|
1/2
|
NO.67 |
0.813
|
1-3/8
|
1/2
|
NO.68 |
0.787
|
1-3/8
|
1/2
|
NO.69 |
0.742
|
1-3/8
|
1/2
|
NO.70 |
0.711
|
1-1/4
|
3/8
|
NO.71 |
0.660
|
1-1/4
|
3/8
|
NO.72 |
0.635
|
1-1/8
|
5/16
|
NO.73 |
0.610
|
1-1/8
|
5/16
|
NO.74 |
0.572
|
1"
|
1/4
|
NO.75 |
0.533
|
1"
|
1/4
|
NO.76 |
0.508
|
7/8
|
3/16
|
NO.77 |
0.457
|
7/8
|
3/16
|
NO.78 |
0.406
|
7/8
|
3/16
|
NO.79 |
0.368
|
3/4
|
1/8
|
NO.80 |
0.343
|
3/4
|
1/8
|
A |
5.944
|
3-7/8
|
2-5/8
|
B |
6.045
|
4"
|
2-3/4
|
C |
6.147
|
4"
|
2-3/4
|
D |
6.248
|
4"
|
2-3/4
|
E |
6.350
|
4"
|
2-3/4
|
F |
6.528
|
4-1/8
|
2-7/8
|
G |
6.629
|
4-1/8
|
2-7/8
|
H |
6.756
|
4-1/8
|
2-7/8
|
I |
6.909
|
4-1/8
|
2-7/8
|
J |
7.036
|
4-1/8
|
2-7/8
|
K |
7.137
|
4-1/4
|
2-15/16
|
L |
7.366
|
4-1/4
|
2-15/16
|
M |
7.493
|
4-3/8
|
3-1/16
|
N |
7.671
|
4-3/8
|
3-1/16
|
O |
8.026
|
4-3/8
|
3-1/16
|
P |
8.204
|
4-5/8
|
3-5/16
|
Q |
8.433
|
4-3/4
|
3-7/16
|
R |
8.611
|
4-3/4
|
3-7/16
|
S |
8.839
|
4-7/8
|
3-1/2
|
T |
9.093
|
4-7/8
|
3-1/2
|
U |
9.347
|
5"
|
3-5/8
|
V |
9.576
|
5"
|
3-5/8
|
W |
9.804
|
5-1/8
|
3-3/4
|
X |
10.084
|
5-1/8
|
3-3/4
|
Y |
10.262
|
5-1/4
|
3-7/8
|
Z |
10.490
|
5-1/4
|
3-7/8
|
Add:774 Songbin Road, Shanghai, 200940
Fax:0086-21-56719140
Tel :0086-21-56719141, 56719142, 56666357
|