6 pcs Titanium Step Drill Bits Set and Automatic Center Punch - High-Speed Metal Steel Drill Double Side, Hss Cobalt Multiple Hole 50 Sizes with Aluminum Case

About this product

*✅[Material] Made of super strong HSS steel for added durability and bit life, and coated with titanium layer, reducing friction.

*✅[50 SIZES IN 5 PIECES STEP DRILL BITS] The bits set includes five standard step drill bits that can replace 50 individual drill bits and each step drill bit can drill several bore diameters, compatibility with 1/4, 3/8 and 1/2 in. chuck sizes. You dont have to replace drill bit constantly with the step drill bits.

*✅[Automatic Center Punch] The center punch help you mark the center point that you want to drill, high-impact, spring-loaded strike-through adjusting the cap; it has a deeply knurled surface for nonslip control and prolongs the drills lifespan.

*✅[TITANIUM COATING] Coated by titanium, this step drill set performs well in heat, corrosion and rust resistance.

*✅[Wide application] Our step drill kits provide faster and more convenient drilling than single-slot drills. Save time with the target while drilling, ideal for home repairs and light work.