Tonsiki 5Pcs 50 Size Large Cobalt HSS Step Titanium Cone Drill Hole Cutter Bit Set Tool for Plastic, Aluminum, Copper and Stainless Steel
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<b>[Product Information]</b><br>
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<li>Size:3/16" to 1/2"(3/16'', 1/4'', 5/16", 3/8'', 7/16'', 1/2''),1/8" to 1/2"(1/8", 5/32", 3/16'', 7/32", 1/4'', 9/32", 5/16", 11/32", 3/8'', 13/32", 7/16'', 15/32" , 1/2''),1/4" to 3/4''(1/4'', 5/16", 3/8", 7/16", 1/2", 9/16", 5/8", 11/16", 3/4"),1/4" to 1-3/8''(1/4'', 3/8", 1/2", 5/8", 3/4", 7/8", 1", 1-1/8", 1-1/4", 1-3/8"),3/16" to 7/8"(1/4'', 5/16", 3/8", 7/16", 1/2", 9/16", 5/8", 11/16", 3/4", 13/16", 7/8")</li>
<li>Classic high speed steel with titanium coating for proven capability and durability in drilling holes in plastic, aluminum, copper, stainless steel and many other types of sheet metal</li>
<li>Cobalt coated to reduce friction and run cooler,increases cutting speed with self-centering and prevents walking, clears chips faster and allows particles to escape easily.</li>
<li>Large bit has 3-sided shank and small bits have hex shank to prevent slip in drill chuck</li>
<li>Set includes a sturdy aluminum organizing case for secure storage and easy carrying</li>
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