6pcs Step Drill Bit Set, 5 Titanium Coated Hss Step Bit & Automatic Center Punch Unibit, 50 Sizes Step Drill for Multiple Hole Drill with Aluminum Case for DIY Lovers and Home Use
High Quality Material: High-speed steel, also known as HSS, is the most commonly used drill bits in metalworking. Combined with titanium coating, it reduces friction and prolongs the life of the drill bit, making the stepper bit harder, more durable and sharper than normal HSS drill bit set, so it is suitable for sheet-metal processing, and is also the best choice for cutting non-ferrous metals, plastics, wood panels, etc.
Product Features:Step bit set is marked with sizes, these sizes determine the diameter and number of steps of the hole drill bit.Contains 5 standard step drill bits and center punch, which can replace 50 individual drills and process into 50 different diameters of holes (including common 3/4, 5/8, 1/2, 7/8, 1/4, etc.).No need to change the drill bits to complete the drilling, reaming and deburring process in one step.Suitable for home DIY, handyman and professionals
Unique 118°X Design: Drill bit kit includes precision ground 118°X split flute bits for increased wear resistance, fast and even drilling, preventing off-center angles, and heat-treated double-edged straight flutes for optimal chip evacuation
Automatic Center Punch: We also offer an automatic center punch to solve the problem of drilling "out of position" when drilling on metal or hard surfaces. The automatic center punch has a heavy-duty spring-loaded action, which prevents the drill bit from slipping by marking the holes before drilling, and is ideal for use with cone drill bit
Quality Packaging: The metal drill bits are packaged in a sturdy and durable aluminum outer box with foam lining for easy storage and carrying. It is the number one gift choice for your family, father or boyfriend
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