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186
Cutting Tools
, Blue
Ribbon
TM
HS Twist Drills ­
Jobbers Length
Made in USA of the finest high-speed steel. Heat-treated to a hardness of 63­65 HRC.
Precision-ground to a tolerance of +.0000­.0003". Inspected under a 20X stereomicroscope
before shipping. Can be used in adapter chucks (see below).
B
A
Description
Item#
Each
A. Wire Gauge Drill Set, sizes 61 to 80,
with Metal Index Case
155-2030
$39.30
12 Wire Gauge Drills in tube:
sizes 55, 57, 60, 62, 64, 65, 66, 68, 70, 72, 73, 75
155-2010
16.25
20 Wire Gauge Drills in tube: sizes 61 to 80
155-2020
34.50
Metal Drill Index Case for drills 61 to 80
155-2000
6.50
B. Fractional Inch Drill Set,
1
/
16
" to
1
/
4
",
with Metal Index Case
155-2038
26.98
13 Fractional Inch Drills in tube:
1
/
16
" to
1
/
4
"
155-2035
23.30
Metal Drill Index Case for drills
1
/
16
" to
1
/
4
"
155-2036
5.10
Wire Gauge Sizes
Diameter DOZEN
Size (inches)
Item#
1-11
12+
50
.070
155-0500
$14.75 $13.28
51
.067
155-0510
14.75
13.28
52
.0635
155-0520
14.75
13.28
53
.0595
155-0530
14.75
13.28
54
.055
155-0540
14.75
13.28
55
.052
155-0550
14.75
13.28
56
.0465
155-0560
14.75
13.28
57
.043
155-0570
14.75
13.28
58
.042
155-0580
14.75
13.28
59
.041
155-0590
14.75
13.28
60
.040
155-0600
14.75
13.28
61
.039
155-0610
14.75
13.28
62
.038
155-0620
14.75
13.28
63
.037
155-0630
14.75
13.28
64
.036
155-0640
14.75
13.28
65
.035
155-0650
14.75
13.28
66
.033
155-0660
14.75
13.28
67
.032
155-0670
14.75
13.28
68
.031
155-0680
14.75
13.28
69
.0292
155-0690
16.60
14.94
70
.028
155-0700
16.60
14.94
71
.026
155-0710
20.20
18.18
72
.025
155-0720
20.20
18.18
73
.024
155-0730
20.20
18.18
74
.0225
155-0740
20.20
18.18
Diameter
DOZEN
Size (inches)
Item#
1-11
12+
75
.021
155-0750
$20.20 $18.18
76
.020
155-0760
20.20
18.18
77
.018
155-0770
20.20
18.18
78
.016
155-0780
20.20
18.18
79
.0145
155-0790
24.55
22.10
80
.0135
155-0800
24.55
22.10
Fractional Inch Sizes
Diameter
DOZEN
Size (inches)
Item#
1-11
12+
1
/
64
"
.0156
155-2040
$1.95
$1.62
1
/
32
"
.0312
155-2045
1.25
1.04
3
/
64
"
.0468
155-2050
1.25
1.04
1
/
16
"
.0625
155-2055
1.20
1.00
5
/
64
"
.0781
155-2060
1.20
1.00
3
/
32
"
.0937
155-2065
1.15
.96
7
/
64
"
.1094
155-2070
1.10
.92
1
/
8
"
.1250
155-2080
1.10
.92
9
/
64
"
.1406
155-2090
1.22 1.02
5
/
32
"
.1562
155-2095
1.24 1.03
11
/
64
"
.1719
155-2100
1.30 1.08
3
/
16
"
.1875
155-2105
1.45 1.21
13
/
64
"
.2031
155-2110
1.65 1.37
7
/
32
"
.2187
155-2115
1.77 1.47
15
/
64
"
.2344
155-2120
1.95 1.62
1
/
4
"
.2500
155-2130
2.10
1.75
B
A
,
,
Adapter Chucks ­
3
/
32
" Shank
For holding small diameter drills. Right-hand threads. Max. operating speed: 10,000rpm.
Collet Capacity
Item#
Each
D. 2.77mm (.109")
840-3230
$10.35
E. 2.62mm (.103")
840-3220
10.35
F. 1.00mm (.039")
840-3210
10.35
F
E
D
D
E
F
Automatic Center Punch
An extremely accurate tool for centering drill hole points. Obtain variable depth impressions
by adjusting the knurled head. Simply depress head for a sharp blow to the work surface.
Hammering not required. Measures 4
3
/
4
" long.
Description
Item#
Each
C. Automatic Center Punch
814-1100
$24.50
Replacement Tip
814-1102
3.95
C
C
Drills sold by the dozen