320 / 396
DRILLS
DRILLS
320
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EDP NO.
CUTTING
DIAMETER
D
1
/ D
2
DECIMAL
EQUIV.
METRIC
EQUIV.
OVERALL
LENGTH
L
1
FLUTE
LENGTH
L
2
CLEARED
LENGTH
L
3
UNCOATED
Ti-NAMITE-A
(AlTiN)
17/64
0.2656
6.75
3-1/2
2-1/8
1-45/64
53117
58064
H
0.2660
6.76
3-1/2
2-1/8
1-45/64
53208
58065
6,8 mm 0.2677
74,0
34,0
25,0
63013
69003
6,9 mm 0.2717
74,0
34,0
25,0
63069
69004
I
0.2720
6.91
3-1/2
2-1/8
1-45/64
53209
58066
7,0 mm 0.2756
74,0
34,0
25,0
63014
69005
J
0.2770
7.04
3-1/2
2-1/8
1-45/64
53210
58067
7,1 mm 0.2795
74,0
34,0
25,0
63070
69006
K
0.2810
7.14
3-1/2
2-1/8
1-45/64
53211
58068
9/32
0.2812
7.14
3-1/2
2-1/8
1-45/64
53118
58069
7,2 mm 0.2835
74,0
34,0
25,0
63015
69007
7,3 mm 0.2874
74,0
34,0
25,0
63071
69008
L
0.2900
7.37
3-1/2
2-1/8
1-45/64
53212
58070
7,4 mm 0.2913
74,0
34,0
25,0
63072
69009
M 0.2950
7.49
3-3/4
2-3/8
1-29/32
53213
58071
7,5 mm 0.2953
74,0
34,0
25,0
63016
69010
19/64
0.2969
7.54
3-3/4
2-3/8
1-29/32
53119
58072
7,6 mm 0.2992
79,0
37,0
27,0
63073
69011
N 0.3020
7.67
2-3/8
2-3/8
1-29/32
53214
58073
7,7 mm 0.3031
79,0
37,0
27,0
63074
69012
7,8 mm 0.3071
79,0
37,0
27,0
63075
69013
7,9 mm 0.3110
79,0
37,0
27,0
63076
69014
5/16
0.3125
7.94
3-3/4
2-3/8
1-29/32
53120
58074
8,0 mm 0.3150
79,0
37,0
27,0
63017
69015
O
0.3160
8.03
3-3/4
2-3/8
1-29/32
53215
58075
8,1 mm 0.3189
79,0
37,0
27,0
63077
69016
8,2 mm 0.3228
79,0
37,0
27,0
63018
69017
P
0.3230
8.20
3-3/4
2-3/8
1-29/32
53216
58076
8,3 mm 0.3268
79,0
37,0
27,0
63078
69018
21/64
0.3281
8.33
4
2-1/2
2
53121
58077
8,4 mm 0.3307
79,0
37,0
27,0
63019
69019
Q
0.3320
8.43
4
2-1/2
2
53217
58078
8,5 mm 0.3346
79,0
37,0
27,0
63020
69020
8,6 mm 0.3386
84,0
40,0
29,0
63021
69021
R
0.3390
8.61
4
2-1/2
2
53218
58079
8,7 mm 0.3425
84,0
40,0
29,0
63079
69022
11/32
0.3438
8.73
4
2-1/2
2
53122
58080
8,8 mm 0.3465
84,0
40,0
29,0
63022
69023
S
0.3480
8.84
4
2-1/2
2
53219
58081
8,9 mm 0.3504
84,0
40,0
29,0
63080
69024
9,0 mm 0.3543
84,0
40,0
29,0
63023
69025
T
0.3580
9.09
4-1/4
2-3/4
2-13/64
53220
58082
continued on next page
FRACTIONAL & METRIC
3 Flute Drills • Metric: DIN 6539
(mm)
(inch)
3
103
FRACTIONAL & METRIC SERIES
TOLERANCES
(inch)
D
1
=
+.0000/–.0005
D
2
=
h6
TOLERANCES
(mm)
D
1
=
+0,0000/–0,0127
D
2
=
h6
STEELS
CAST IRON
HARDENEDSTEELS
NON-FERROUS
For patent
information visit
www.ksptpatents.com