[Specifications and packaging]: Countersink drill bit set includes 5 pcs countersink bits and 1 pc aluminum carrying case.Include size:1/4″, 3/8″, 1/2″, 5/8″, and 3/4″.
[Material]: Metal countersink bits are made from industrial grade high-speed steel for increased durability.Each sink has a black oxide coating to resist corrosion.
[Advantage]: 82 degree countersink a five-flute design removes chips faster and dills smoother and ensures an extended life.
[Special 82-Degree Tip Drills]: Steel countersink bits 82-degree tip drills can drill holes on almost any material, with unique design, high efficiency, convenience and speed.
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