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4YK78 Drill Bit Countersinks

$7.63Including tariffs

Bulk orders will be discounted, please contact us.

Replaceable drill bits can be installed in place of the current drill bit on a compatible drill bit countersink to extend the tool's life and avoid the cost of replacing the entire tool.

Product Number: 4YK78

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  • Description
Mfr Model DW2538
Measurement System Wire
Overall Length 3-1/2 in
Material Machining High Speed Steel
UNSPSC 27112812
Country of Origin China (subject to change)
Countersink Angle 60 °
Number of Flutes 4
Finish Machining Bright (Uncoated)
Body Dia 1/2 in
Shank Type Machining Hex
Primary Material Application All Materials
Cutting Direction Machining Right Hand
Flute Type Spiral
Drill Bit Size 11/64 in
Adjustable Drill Yes
Spiral Direction Right Hand
For Screw Size #8
Flute Length 1-3/4 in

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