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Cobalt Jobber Drills

Fractional Cobalt Jobber Drills

Cobalt Jobber Drills.
Split-Point Tips reduce walking, for accurate starts.
Use Cobalt drills for greater heat resistance when drilling harder materials.
Ground from solid.
Quantity Price Model Description Size Decimal Equivalent Overall Length

$1.50 JCO-1/64
1/64" Jobber Drill Bit, Cobalt, 0147-0012 1/64" .0156 3/4"

$1.50 JCO-1/32
1/32" Jobber Drill Bit, Cobalt, 0147-0013 1/32" 0.0312 1-3/8"

$0.98 JCO-3/64
3/64" Jobber Drill Bit, Cobalt, 0147-0016 3/64" 0.0469 1-3/4"

$0.88 JCO-1/16
1/16" Jobber Drill Bit, Cobalt, 0147-0021 1/16" .0625 1-7/8"

$0.88 JCO-5/64
5/64" Jobber Drill Bit, Cobalt, 0147-0026 5/64" 0.0781 2"

$0.88 JCO-3/32
3/32" Jobber Drill Bit, Cobalt, 0147-0031 3/32" 0.0937 2-1/4"

$0.98 JCO-7/64
7/64" Jobber Drill Bit, Cobalt, 0147-0036 7/64" 0.1094 2-5/8"

$1.18 JCO-1/8
1/8" Jobber Drill Bit, Cobalt, 0147-0041 1/8" 0.125 2-3/4"

$1.21 JCO-9/64
9/64" Jobber Drill Bit, Cobalt, 0147-0046 9/64" 0.1406 2-7/8"

$1.36 JCO-5/32
5/32" Jobber Drill Bit, Cobalt, 0147-0051 5/32" 0.1562 3-1/8"

$1.44 JCO-11/64
11/64" Jobber Drill Bit, Cobalt, 0147-0056 11/64" 0.1719 3-1/4"

$1.57 JCO-3/16
3/16" Jobber Drill Bit, Cobalt, 0147-0061 3/16" 0.1875 3-1/2"

$1.92 JCO-13/64
13/64" Jobber Drill Bit, Cobalt, 0147-0066 13/64" 0.2031 3-5/8"

$2.05 JCO-7/32
7/32" Jobber Drill Bit, Cobalt, 0147-0071 7/32" 0.2187 3-3/4"

$2.20 JCO-15/64
15/64" Jobber Drill Bit, Cobalt, 0147-0076 15/64" 0.2344 3-7/8"

$2.59 JCO-1/4
1/4" Jobber Drill Bit, Cobalt, 0147-0081 1/4" 0.25 4"

$3.19 JCO-17/64
17/64" Jobber Drill Bit, Cobalt, 0147-0086 17/64" 0.2656 4-1/8"

$3.45 JCO-9/32
9/32" Jobber Drill Bit, Cobalt, 0147-0091 9/32" 0.2812 4-1/4"

$3.69 JCO-19/64
19/64" Jobber Drill Bit, Cobalt, 0147-0096 19/64" 0.2969 4-3/8"

$4.39 JCO-5/16
5/16" Jobber Drill Bit, Cobalt, 0147-0101 5/16" 0.3125 4-1/2"

$4.82 JCO-21/64
21/64" Jobber Drill Bit, Cobalt, 0147-0106 21/64" 0.3281 4-5/8"

$5.20 JCO-11/32
11/32" Jobber Drill Bit, Cobalt, 0147-0111 11/32" 0.3437 4-3/4"

$5.93 JCO-23/64
23/64" Jobber Drill Bit, Cobalt, 0147-0116 23/64" 0.3594 4-7/8"

$5.84 JCO-3/8
3/8" Jobber Drill Bit, Cobalt, 0147-0121 3/8" 0.375 5"

$8.33 JCO-25/64
25/64" Jobber Drill Bit, Cobalt, 0147-0126 25/64" 0.3906 5-1/8"

$7.66 JCO-13/32
13/32" Jobber Drill Bit, Cobalt, 0147-0131 13/32" 0.4062 5-1/4"

$8.18 JCO-27/64
27/64" Jobber Drill Bit, Cobalt, 0147-0136 27/64" 0.4219 5-3/8"

$9.24 JCO-7/16
7/16" Jobber Drill Bit, Cobalt, 0147-0141 7/16" 0.4375 5-1/2"

$9.72 JCO-29/64
29/64" Jobber Drill Bit, Cobalt, 0147-0146 29/64" 0.4531 5-5/8"

$10.30 JCO-15/32
15/32" Jobber Drill Bit, Cobalt, 0147-0151 15/32" 0.4687 5-3/4"

$10.58 JCO-31/64
31/64" Jobber Drill Bit, Cobalt, 0147-0156 31/64" 0.4844 5-7/8"

$11.94 JCO-1/2
1/2" Jobber Drill Bit, Cobalt, 0147-0161 1/2" 0.5 6"

Number Size Cobalt Jobber Drills

Cobalt Jobber Drills.
Use Cobalt drills for greater heat resistance when drilling harder materials.
Ground from solid.
Quantity Price Model Description Size Decimal Equivalent Overall Length

$2.50 JCON-1
#1 Jobber Drill Bit, Cobalt, 0148-0006 1 .2280 3-7/8"

$2.50 JCON-2
#2 Jobber Drill Bit, Cobalt, 0148-0011 2 0.221 3-7/8"

$2.22 JCON-3
#3 Jobber Drill Bit, Cobalt, 0148-0016 3 0.213 3-3/4"

$2.31 JCON-4
#4 Jobber Drill Bit, Cobalt, 0148-0021 4 0.209 3-3/4"

$2.31 JCON-5
#5 Jobber Drill Bit, Cobalt, 0148-0026 5 0.2055 3-3/4"

$2.31 JCON-6
#6 Jobber Drill Bit, Cobalt, 0148-0031 6 0.204 3-3/4"

$1.80 JCON-7
#7 Jobber Drill Bit, Cobalt, 0148-0036 7 0.201 3-5/8"

$1.80 JCON-8
#8 Jobber Drill Bit, Cobalt, 0148-0041 8 0.199 3-5/8"

$1.95 JCON-9
#9 Jobber Drill Bit, Cobalt, 0148-0046 9 0.196 3-5/8"

$1.80 JCON-10
#10 Jobber Drill Bit, Cobalt, 0148-0051 10 0.1935 3-5/8"

$1.98 JCON-11
#11 Jobber Drill Bit, Cobalt, 0148-0056 11 0.191 3-1/2"

$1.98 JCON-12
#12 Jobber Drill Bit, Cobalt, 0148-0061 12 0.189 3-1/2"

$1.79 JCON-13
#13 Jobber Drill Bit, Cobalt, 0148-0066 13 0.185 3-1/2"

$1.79 JCON-14
#14 Jobber Drill Bit, Cobalt, 0148-0071 14 0.182 3-3/8"

$1.79 JCON-15
#15 Jobber Drill Bit, Cobalt, 0148-0076 15 0.18 3-3/8"

$1.79 JCON-16
#16 Jobber Drill Bit, Cobalt, 0148-0081 16 0.177 3-3/8"

$1.59 JCON-17
#17 Jobber Drill Bit, Cobalt, 0148-0086 17 0.173 3-3/8"

$1.59 JCON-18
#18 Jobber Drill Bit, Cobalt, 0148-0091 18 0.1695 3-1/4"

$1.42 JCON-19
#19 Jobber Drill Bit, Cobalt, 0148-0096 19 0.166 3-1/4"

$1.42 JCON-20
#20 Jobber Drill Bit, Cobalt, 0148-0101 20 0.161 3-1/4"

$1.42 JCON-21
#21 Jobber Drill Bit, Cobalt, 0148-0106 21 0.159 3-1/4"

$1.40 JCON-22
#22 Jobber Drill Bit, Cobalt, 0148-0111 22 0.157 3-1/8"

$1.40 JCON-23
#23 Jobber Drill Bit, Cobalt, 0148-0116 23 0.154 3-1/8"

$1.40 JCON-24
#24 Jobber Drill Bit, Cobalt, 0148-0121 24 0.152 3-1/8"

$1.32 JCON-25
#25 Jobber Drill Bit, Cobalt, 0148-0126 25 0.1495 3"

$1.32 JCON-26
#26 Jobber Drill Bit, Cobalt, 0148-0131 26 0.147 3"

$1.32 JCON-27
#27 Jobber Drill Bit, Cobalt, 0148-0136 27 0.144 3"

$1.23 JCON-28
#28 Jobber Drill Bit, Cobalt, 0148-0141 28 0.1405 2-7/8"

$1.23 JCON-29
#29 Jobber Drill Bit, Cobalt, 0148-0146 29 0.136 2-7/8"

$1.10 JCON-30
#30 Jobber Drill Bit, Cobalt, 0148-0151 30 0.1285 2-3/4"

$1.10 JCON-31
#31 Jobber Drill Bit, Cobalt, 0148-0156 31 0.12 2-3/4"

$1.10 JCON-32
#32 Jobber Drill Bit, Cobalt, 0148-0161 32 0.116 2-3/4"

$1.04 JCON-33
#33 Jobber Drill Bit, Cobalt, 0148-0166 33 0.113 2-5/8"

$1.04 JCON-34
#34 Jobber Drill Bit, Cobalt, 0148-0171 34 0.111 2-5/8"

$1.04 JCON-35
#35 Jobber Drill Bit, Cobalt, 0148-0176 35 0.11 2-5/8"

$1.04 JCON-36
#36 Jobber Drill Bit, Cobalt, 0148-0181 36 0.1065 2-1/2"

$1.04 JCON-37
#37 Jobber Drill Bit, Cobalt, 0148-0186 37 0.104 2-1/2"

$0.94 JCON-38
#38 Jobber Drill Bit, Cobalt, 0148-0191 38 0.1015 2-1/2"

$0.94 JCON-39
#39 Jobber Drill Bit, Cobalt, 0148-0196 39 0.0995 2-3/8"

$0.94 JCON-40
#40 Jobber Drill Bit, Cobalt, 0148-0201 40 0.098 2-3/8"

$0.90 JCON-41
#41 Jobber Drill Bit, Cobalt, 0148-0206 41 0.096 2-3/8"

$0.90 JCON-42
#42 Jobber Drill Bit, Cobalt, 0148-0211 42 0.0935 2-1/4"

$0.90 JCON-43
#43 Jobber Drill Bit, Cobalt, 0148-0216 43 0.089 2-1/4"

$0.90 JCON-44
#44 Jobber Drill Bit, Cobalt, 0148-0221 44 0.086 2-1/8"

$0.90 JCON-45
#45 Jobber Drill Bit, Cobalt, 0148-0226 45 0.082 2-1/8"

$0.90 JCON-46
#46 Jobber Drill Bit, Cobalt, 0148-0231 46 0.081 2-1/8"

$0.90 JCON-47
#47 Jobber Drill Bit, Cobalt, 0148-0236 47 0.0785 2"

$0.90 JCON-48
#48 Jobber Drill Bit, Cobalt, 0148-0241 48 0.076 2"

$0.90 JCON-49
#49 Jobber Drill Bit, Cobalt, 0148-0246 49 0.073 2"

$0.90 JCON-50
#50 Jobber Drill Bit, Cobalt, 0148-0251 50 0.07 2"

$0.90 JCON-51
#51 Jobber Drill Bit, Cobalt, 0148-0256 51 0.067 2"

$0.90 JCON-52
#52 Jobber Drill Bit, Cobalt, 0148-0261 52 0.0635 1-7/8"

$0.98 JCON-53
#53 Jobber Drill Bit, Cobalt, 0148-0266 53 0.0595 1-7/8"

$0.98 JCON-54
#54 Jobber Drill Bit, Cobalt, 0148-0271 54 0.055 1-7/8"

$0.98 JCON-55
#55 Jobber Drill Bit, Cobalt, 0148-0276 55 0.052 1-7/8"

$0.98 JCON-56
#56 Jobber Drill Bit, Cobalt, 0148-0281 56 0.0465 1-3/4"

$1.15 JCON-57
#57 Jobber Drill Bit, Cobalt, 0148-0286 57 0.043 1-3/4"

$1.20 JCON-58
#58 Jobber Drill Bit, Cobalt, 0148-0291 58 0.042 1-5/8"

$1.25 JCON-59
#59 Jobber Drill Bit, Cobalt, 0148-0296 59 0.041 1-5/8"

$1.25 JCON-60
#60 Jobber Drill Bit, Cobalt, 0148-0301 60 0.04 1-5/8"

Letter Size Cobalt Jobber Drills

Cobalt Jobber Drills.
Split-Point Tips reduce walking, for accurate starts.
Use Cobalt drills for greater heat resistance when drilling harder materials.
Ground from solid.
Quantity Price Model Description Size Decimal Equivalent Overall Length

$3.06 JCO-A
"A" Jobber Drill Bit, Cobalt, 0146-0005 A 0.234 3-7/8"

$3.52 JCO-B
"B" Jobber Drill Bit, Cobalt, 0146-0010 B 0.238 4"

$3.41 JCO-C
"C" Jobber Drill Bit, Cobalt, 0146-0015 C 0.242 4"

$3.98 JCO-D
"D" Jobber Drill Bit, Cobalt, 0146-0020 D 0.246 4"

$2.73 JCO-E
"E" (1/4") Jobber Drill Bit, Cobalt, 0146-0025 E 0.25 4"

$3.52 JCO-F
"F" Jobber Drill Bit, Cobalt, 0146-0030 F 0.257 4-1/8"

$3.52 JCO-G
"G" Jobber Drill Bit, Cobalt, 0146-0035 G 0.261 4-1/8"

$3.98 JCO-H
"H" Jobber Drill Bit, Cobalt, 0146-0040 H 0.266 4-1/8"

$3.71 JCO-I
"I" Jobber Drill Bit, Cobalt, 0146-0045 I 0.272 4-1/8"

$3.98 JCO-J
"J" Jobber Drill Bit, Cobalt, 0146-0050 J 0.277 4-1/8"

$3.98 JCO-K
"K" Jobber Drill Bit, Cobalt, 0146-0055 K 0.281 4-1/4"

$4.45 JCO-L
"L" Jobber Drill Bit, Cobalt, 0146-0060 L 0.29 4-1/4"

$4.77 JCO-M
"M" Jobber Drill Bit, Cobalt, 0146-0065 M 0.295 4-3/8"

$4.75 JCO-N
"N" Jobber Drill Bit, Cobalt, 0146-0070 N 0.302 4-3/8"

$5.29 JCO-O
"O" Jobber Drill Bit, Cobalt, 0146-0075 O 0.316 4-1/2"

$5.62 JCO-P
"P" Jobber Drill Bit, Cobalt, 0146-0080 P 0.323 4-5/8"

$5.74 JCO-Q
"Q" Jobber Drill Bit, Cobalt, 0146-0085 Q 0.332 4-3/4"

$5.74 JCO-R
"R" Jobber Drill Bit, Cobalt, 0146-0090 R 0.339 4-3/4"

$7.16 JCO-S
"S" Jobber Drill Bit, Cobalt, 0146-0095 S 0.348 4-7/8"

$7.16 JCO-T
"T" Jobber Drill Bit, Cobalt, 0146-0100 T 0.358 4-7/8"

$7.16 JCO-U
"U" Jobber Drill Bit, Cobalt, 0146-0105 U 0.368 5"

$8.32 JCO-V
"V" Jobber Drill Bit, Cobalt, 0146-0110 V 0.377 5"

$8.32 JCO-W
"W" Jobber Drill Bit, Cobalt, 0146-0115 W 0.386 5-1/8"

$8.78 JCO-X
"X" Jobber Drill Bit, Cobalt, 0146-0120 X 0.397 5-1/8"

$8.78 JCO-Y
"Y" Jobber Drill Bit, Cobalt, 0146-0125 Y 0.404 5-1/4"

$9.38 JCO-Z
"Z" Jobber Drill Bit, Cobalt, 0146-0130 Z 0.413 5-1/4"