MAZU 5pcs Metric HSS Titanium Step Drill Bit Set High Speed Steel Tools Multiple Holes 50 SAE Sizes with Aluminum Case
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<b>[Product Information]</b><br>
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<li>Versatile - Set includes five standard SAE step drill bits with a two-flute design (increases cutting speed with self-centering and prevents walking,) for faster, smoother cutting.</li>
<li>Ultra strong - Made of super strong HSS steel for added durability and bit life. Cobalt coated to reduce friction and run cooler.</li>
<li>Covers Wide Range Requirements - 5 Pcs / 50 steps (1/4" to 1-3/8", 3/16" to 7/8", 1/4" to 3/4", 1/8" to 1/2, 3/16" to 1/2"). Laser-etched Hole Size Marks - easy to read and permanent.</li>
<li>Variety Usage - drill or enlarge holes in thin stainless steel, iron plate,plastic, copper, aluminum, brass,wood and many other types of sheet metal.</li>
<li>Carrying case - Includes aluminum carrying case, compact and portable to carry. Self-starting, walking and center punch not required.</li>
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