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Catalog C00400   < Page 23 >

Solid Tungsten Carbide
Twist Drills
Superfinished/Stay Sharper
Part No. Drill
Size 		Flute
Diam. 		O.A.L. Flute
Length 		Part No. Drill
Size 		Flute
Diam. 		O.A.L. Flute
Length
423005
423010
423015
423020
423025 		89
79
1/64
78
77 		.0135
.0145
.0156
.0160
.0180 		1-1/4
1-1/4
1-1/4
1-1/4
1-1/4 		1/4
1/4
1/4
1/4
1/4 		423340
423345
423350
423355
423360 		22
21
20
19
18 		.1570
.1590
.1610
.1660
.1695 		2-1/2
2-1/2
2-1/2
2-3/4
2-3/4 		1-3/8
1-3/8
1-3/8
1-5/8
1-5/8
423030
423035
423040
423045
423050		 76
75
74
73
72		 .0200
.0210
.0225
.0240
.0250		 1-1/4
1-1/4
1-1/4
1-1/4
1-1/4		 1/4
1/4
1/4
1/4
5/16		 423365
423370
423375
423380
423385		 11/64
17
16
15
14		 .1719
.1730
.1770
.1800
.1820		 2-3/4
2-3/4
2-3/4
2-3/4
2-3/4		 1-5/8
1-5/8
1-3/8
1-5/8
1-5/8
423055
423060
423065
423070
423075		 71
70
69
68
1/32		 .0260
.0280
.0292
.0310
.0313		 1-1/4
1-1/4
1-1/4
1-1/4
1-1/4		 5/16
5/16
5/16
5/16
5/16		 423390
423395
423400
423405
423410		 13
3/16
12
11
10		 .1850
.1875
.1890
.1910
.1935		 2-3/4
2-3/4
2-3/4
2-3/4
2-3/4 		1-5/8
1-5/8
1-3/8
1-5/8
1-5/8
423080
423085
423090
423095
423100		 67
66
65
64
63		 .0320
.0330
.0350
.0360
.0370		 1-1/4
1-1/4
1-1/4
1-1/4
1-1/4		 5/16
5/16
5/8
5/8
5/8		 423415
423420
423425
423430
423435		 9
8
7
13/64
6		 .1960
.1990
.2010
.2031
.2040		 3
3
3
3
3		 1-3/4
1-3/4
1-3/4
1-3/4
1-3/4
423105
423110
423115
423120
423125		 62
61
60
59
58		 .0380
.0390
.0400
.0410
.0420		 1-1/4
1-1/4
1-1/2
1-1/2
1-1/2		 5/8
5/8
3/4
3/4
3/4		 423440
423445
423450
423455
423460		 5
4
3
7/32
2		 .2055
.2090
.2130
.2187
.2210		 3
3
3
3
3		 1-3/4
1-3/4
1-3/4
1-3/4
1-3/4
423130
423135
423135
423140
423145		 57
3/64
56
55
54		 .0430
.0465
.0465
.0520
.0550		 1-1/2
1-1/2
1-1/2
1-1/2
1-1/2		 3/4
3/4
3/4
3/4
3/4		 423465
423470
423475
423480
423485		 1
A
15/64
B
C		 .2280
.2340
.2344
.2380
.2420		 3
3-1/4
3-1/4
3-1/4
3-1/4		 1-3/4
2
2
2
2
423150
423150
423155
423160
423165		 53
1.5mm
1/16
52
51		 .0595
.0595
.0625
.0635
.0670		 1-1/2
1-1/2
1-1/2
1-1/2
1-1/2		 3/4
3/4
3/4
3/4
3/4		 423490
423495
423495
423500
423505		 D
1/4
E
F
G		 .2460
.2500
.2500
.2570
.2610		 3-1/4
3-1/4
3-1/4
3-1/4
3-1/2		 2
2
2
2
2-1/8
423170
423175
423180
423185
423190		 50
49
48
5/64
47		 .0700
.0730
.0760
.0781
.0785		 1-3/4
1-3/4
1-3/4
1-3/4
1-3/4		 7/8
7/8
7/8
7/8
7/8		 423510
423515
423520
423525
423530		 17/64
H
I
J
K		 .2656
.2660
.2720
.2770
.2810		 3-1/2
3-1/2
3-1/2
3-1/2
3-1/2		 2-1/8
2-1/8
2-1/8
2-1/8
2-1/8
423190
423195
423200
423205
423210		 2mm
46
45
44
43		 .0785
.0810
.0820
.0860
.0890		 1-3/4
1-3/4
1-3/4
2
2		 7/8
7/8
7/8
1
1		 423535
423540
423542
423545
423550		 9/32
L
M
19/64
N		 .2812
.2900
.2950
.2969
.3020		 3-1/2
3-1/2
3-3/4
3-3/4
3-3/4		 2-1/8
2-1/8
2-3/8
2-3/8
2-3/8
423215
423220
423225
423230
423235		 42
3/32
41
40
39		 .0935
.0937
.0960
.0980
.0995		 2
2
2
2
2-1/4		 1
1
1
1
1-1/4		 423555
423560
423565
423570
423575		 5/16
O
P
21/64
Q		 .3125
.3160
.3230
.3281
.3320		 3-3/4
3-3/4
3-3/4
4
4		 2-3/8
2-3/8
2-3/8
2-1/2
2-1/2
423240
423245
423250
423255
423260		 38
37
36
7/64
35		 .1015
.1040
.1065
.1094
.1100		 2-1/4
2-1/4
2-1/4
2-1/4
2-1/4		 1-1/4
1-1/4
1-1/4
1-1/4
1-1/4		 423580
423585
423590
423595
423600		 R
11/32
S
T
23/64		 .3390
.3438
.3480
.3580
.3594		 4
4
4
4
4		 2-1/2
2-1/2
2-1/2
2-1/2
2-1/2
423265
423270
423275
423280
423285		 34
33
32
31
1/8		 .1110
.1130
.1160
.1200
.1250		 2-1/4
2-1/4
2-1/4
2-1/4
2-1/4		 1-1/4
1-1/4
1-1/4
1-1/4
1-1/4		 423605
423610
423615
423620
423625		 U
3/8
V
W
25/64		 .3680
.3750
.3770
.3860
.3906		 4-1/2
4-1/2
4-1/2
4-1/2
4-1/2		 2-3/4
2-3/4
2-3/4
2-7/8
2-7/8
423290
423295
423300
423305
423310		 30
29
28
9/64
27		 .1285
.1360
.1405
.1406
.1440		 2-1/4
2-1/2
2-1/2
2-1/2
2-1/2		 1-1/4
1-3/8
1-3/8
1-3/8
1-3/8		 423630
423635
423640
423645
423650		 X
Y
13/32
Z
27/64		 .3970
.4040
.4062
.4130
.4219		 4-1/2
4-1/2
4-1/2
4-1/2
4-1/2		 2-7/8
2-7/8
2-7/8
2-7/8
2-7/8
423315
423320
423325
423330
423335		 26
25
24
23
5/32		 .1470
.1495
.1520
.1540
.1562		 2-1/2
2-1/2
2-1/2
2-1/2
2-1/2		 1-3/8
1-3/8
1-3/8
1-3/8
1-3/8		 423655
423660
423665
423670
423675		 7/16
29/64
15/32
31/64
1/2		 .4375
.4531
.4688
.4844
.5000		 4-1/2
4-3/4
4-3/4
4-3/4
4-3/4		 2-7/8
3
3
3
3

Superfinished cutting edges give excellent results on hardened metals, alloys, and most abrasive materials.  Standards: 118º drill point.  Flute tolerance +.0000 -.0003; shank .0000 -.0005.   In-between sizes available upon request.

Wire sizes, fractional, letter sizes in regular drills and miniatures.

See our Discount Information page for Quantity Discounts.

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