Description
StrongArm 2, 1/4" x 4" Carbide Drill Bit.
Chrome Moly Steel
Vacuum Brazed with Copper to withstand extreme temperatures.
Aggressive cutting, 5 axis diamond ground titanium tungsten carbide tips.
Fluting designed for quick removal of materials to reduce clogging or binding in hole.
4 Reviews
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One of the best I have used
Stays sharper longer
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Strongarm 2, 1/4" x 4" Carbide STRONGARM SECURITY STRONGARM 2, 1/4" X 4" CARBIDE
works for me!
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Strongarm 2 any size carbide drill
These drills aggressively cut through all the hard plate I have encountered, excluding Relsom and matrix plate and other types of similar hard plate. When the Strongarm 1 drill bit starts to struggle the Strongarm 2 drill bit seems to melt a whole right through with less effort. If you drill safes I would recommend stocking up on the Strongarm 2 in all the sizes available.
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Great bit.
After a few seconds of drilling it really starts cutting into the hardplate.
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