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Letter Size Cobalt Jobber Drills

Letter Size Cobalt Jobber Drills

Better heat resistance than High Speed Drills -ideal for tougher, harder steels, including most stainless steels.
Cobalt jobber drills are GROUND FROM SOLID
Quantity Price Model Description Size Decimal Equivalent Overall Length

$3.06 JCO-A
A Cobalt Jobber Drill A 0.234 3-7/8"

$3.52 JCO-B
B Cobalt Jobber Drill B 0.238 4"

$3.41 JCO-C
C Cobalt Jobber Drill C 0.242 4"

$3.98 JCO-D
D Cobalt Jobber Drill D 0.246 4"

$2.73 JCO-E
E Cobalt Jobber Drill E 0.25 4"

$3.52 JCO-F
F Cobalt Jobber Drill F 0.257 4-1/8"

$3.52 JCO-G
G Cobalt Jobber Drill G 0.261 4-1/8"

$3.98 JCO-H
H Cobalt Jobber Drill H 0.266 4-1/8"

$3.71 JCO-I
I Cobalt Jobber Drill I 0.272 4-1/8"

$3.98 JCO-J
J Cobalt Jobber Drill J 0.277 4-1/8"

$3.98 JCO-K
K Cobalt Jobber Drill K 0.281 4-1/4"

$4.45 JCO-L
L Cobalt Jobber Drill L 0.29 4-1/4"

$4.77 JCO-M
M Cobalt Jobber Drill M 0.295 4-3/8"

$4.75 JCO-N
N Cobalt Jobber Drill N 0.302 4-3/8"

$5.29 JCO-O
O Cobalt Jobber Drill O 0.316 4-1/2"

$5.62 JCO-P
P Cobalt Jobber Drill P 0.323 4-5/8"

$5.74 JCO-Q
Q Cobalt Jobber Drill Q 0.332 4-3/4"

$5.74 JCO-R
R Cobalt Jobber Drill R 0.339 4-3/4"

$7.16 JCO-S
S Cobalt Jobber Drill S 0.348 4-7/8"

$7.16 JCO-T
T Cobalt Jobber Drill T 0.358 4-7/8"

$7.16 JCO-U
U Cobalt Jobber Drill U 0.368 5"

$7.89 JCO-V
V Cobalt Jobber Drill V 0.377 5"

$7.89 JCO-W
W Cobalt Jobber Drill W 0.386 5-1/8"

$7.89 JCO-X
X Cobalt Jobber Drill X 0.397 5-1/8"

$8.38 JCO-Y
Y Cobalt Jobber Drill Y 0.404 5-1/4"

$9.11 JCO-Z
Z Cobalt Jobber Drill Z 0.413 5-1/4"