Drill Bits
COBALT JOBBER LENGTH DRILL BITS
SIZE Decimal
Equivalent
Jobber
BAC # 1-11 12-59 60+
#10 .1935 DB10C $ 2.50 $ 2.40 $ 2.35
#11 .1910 DB11C $ 2.90 $ 2.78 $ 2.73
#12 .1890 DB12C $ 2.54 $ 2.44 $ 2.39
#16 .1660 DB16C $ 2.60 $ 2.50 $ 2.44
#19 .1660 DB19C $ 2.18 $ 2.09 $ 2.05
#20 .1610 DB20C $ 2.14 $ 2.05 $ 2.01
#21 .1590 DB21C $ 2.14 $ 2.05 $ 2.01
#27 .1440 DB27C $ 2.14 $ 2.05 $ 2.01
#30 .1285 DB30C $1.70 $ 1.64 $ 1.60
#31 .1200 DB31C $ 1.76 $ 1.71 $ 1.65
#40 .0980 DB40C $ 1.60 $ 1.53 $ 1.51
1/4” .25 DB1-4C $ 3.24 $ 3.11 $ 2.94
COBALT THREADED
SHANK DRILLS
SIZE Decimal
Equivalent
BAC
P/N
-LONG
2 1/8"
-SHORT
1 1/4"
-STUB
9/16"
#10 .1935 DB10C- $ 3.78 $ 3.78 $ 3.78
#21 .1590 DB21C - $ 3.38 $ 3.32 $ 3.74
#27 .1440 DB27C- $ 3.60 $ 3.24 $ 3.50
#30 .1285 DB30C - $ 3.48 $ 3.02 $ 3.18
#40 .0980 DB40C - $ 3.16 $ 3.08 $ 3.48
1/4" .25 DB1-4C- $ 4.38 $ 4.54 $ 4.38
135 Degree Split Point Made to NAS 965 type D STDS
12” Cobalt
BAC # 1-11 12+
DB10C-12 $ 7.70 $ 6.11
DB19C-12 $ 7.20 $ 6.25
DB21C-12 $ 6.20 $ 5.48
DB30C-12 $ 6.42 $ 6.10
DB40C-12 $ 6.78 $ 6.55
DB50C-12 $ 7.25 $ 7.05
DB1-4C-12 $ 8.98 $ 8.62
BAC # Size Price ea.
PD-1/8 1/8 $ 3.82
PD-5/32 5/32 $ 4.04
PD-3/16 3/16 $ 4.37
PD-1/4 1/4 $ 4.82
PD-5/16 5/16 $ 7.52
BAC # SIZE 1-11 12+
DB10C-6 #10 $ 4.04 $ 3.88
DB19C-6 #19 $ 4.24 $ 3.35
DB21C-6 #21 $ 4.26 $ 4.09
DB30C-6 #30 $ 3.76 $ 3.61
DB40C-6 #40 $ 3.76 $ 3.61
DB50C-6 #50 $ 4.38 $ 3.80
DB1-4C-6 1/4” $ 4.98 $ 4.70
A 60 degree point angle allows gradual
penetration to minimize cracking and
chipping. A zero degree rake angle
eliminates grabbing.
100 DEGREE PILOTED THREADED
SIZE BAC # PRICE SIZE BAC # PRICE
#10 CC010 $ 6.93 #40 CC040 $ 6.93
#21 CC021 $ 6.93 1/4" CC1/4 $ 6.93
#30 CC030 $ 6.93
Three Flutes 1/4 - 28 threads
CUTTERS
ADJUSTABLE COUNTERSINK CAGE
Adjustable increments of .001" for precise countersinking.
Accepts 1/4-28 threaded countersinks. 5/8 cutter capacity.
3000 RPM max.
CC01 $27.14 ea.
Left hand spiral fl ute extractors remove broken
bolts and screws without damaging hole threads.
IRWIN®
Single-fl uted cutting edge assures true round holes, and allows greater
control with less vibration. Ideal for drilling holes in thin metals such as
mild steel, copper, brass, aluminum, plexiglass, wood and laminates.
Fax: 815-356-5192 31
SCREW EXTRACTORS
BAC # # Size For Screws Price ea.
EZ1 #1 3/32" to 5/32" $ 1.70
EZ2 #2 5/32" to 7/32" $ 2.26
EZ3 #3 7/32" to 9/32" $ 2.52
EZ4 #4 9/32" to 3/8" $ 2.86
EZ5 #5 3/8" to 1/2" $ 3.40
# 1 # 2 # 3 # 21
BAC # # Size Price ea.
UNIBIT-1 1-8” - 1/2” $ 26.92
UNIBIT-2 3/16” - 1/2” $ 26.92
UNIBIT-3 1/4” - 3/4” $ 48.50
UNIBIT-21 13/16” - 1-3/8” $ 118.27
COBALT AIRCRAFT DRILL BITS
135 Degree Split Point Manufactured to NAS Standard 907
135 Degree Split Point Manufactured to NAS Standard 907
Made in the U.S.A.
UNIBIT
DRILL BITS FOR
PLASTIC / PLEXI / LEXAN
/www.BAC-online.com
