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Twist Drill Bits
BEST RATED COBALT TWIST DRILL BITS
Shop products with the best ratings based on our customer reviews
2 Results
Review Rating: Best Rated
Bit Material: Cobalt
Featured Keywords: cobalt steel tool
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Bit Diameter
#42
1/4 in
Shank Diameter
#42
1/4 in
Drilling Depth (in)
0.75
1.25
Featured Keywords
black oxide
high speed steel
gold oxide
jobber length
extra length
2 high speed steel
8 piece set
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135 degree split point
heavy-duty jobber length drill bit
round shank
split point
cobalt steel tool
cobalt steel
cobalt aircraft extension
drilling metal
jobber length cobalt
large diameter holes
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$
10
.
44
(50)
Drill America
1/4 in. x 12 in. Cobalt Aircraft Extension Drill Bit
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More Options Available
$
8
.
63
(8)
Drill America
#42 x 12 in. Cobalt Aircraft Extension Drill Bit
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