Rocaris 5 Pack Step Drill Bit & 5 Pack Countersink Drill Bit Set, Titanium Coated, 50 Sizes of Step Bit for Metal with Aluminum Case, Multiple Hole

Ultimate Drill Bits Set- This unibit step drill bit includes 5 step bit in sizes 3/16-1/2'', 1/8-1/2'', 1/4-3/4'', 3/16-7/8'', 1/4-1-3/8'', effectively replacing 50 sizes of conventional drill bits. Along with a center punch. Additionally, the counter sinker drill bit set in sizes1/4'', 3/8'', 1/2'', 5/8'', 3/4''. Premium Quality Drill Bit Set - The M2 countersink step drill bit set is made from high speed steel for longer cutting edge life even at extreme temperatures.step drill set with a titanium coating significantly improves durability and sharpness for less friction and cooler operation,performs well in heat, corrosion and rust resistance. Premium Design - Counter sinker drill bit set very suitable for sinking 90 degree holes in plastic, aluminum and soft metal countersunk screws and fasteners.(Not recommended for thick wood & hard metal) Step drill with 118 ° split tip and double groove design, increases cutting speed with self-centering and prevents walking, clears chips faster and allows particles to escape easily. Convenient storage and organization - The drill bit kit is packaged in a sturdy and compact aluminum storage case, which can maintain the order and protection of the drill bit, reduce wear, and make it an important supplement to the toolbox. Note - For thicker metals, it is recommended to use the drill press and bench drills for drilling, as this will achieve the best drilling results.

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