HSS 4241 Step Drill Bit Set, GLANICS High Speed Steel Step Drill Bit Set 3-Piece Set with Automatic Center Punch (Set of 3+1)
[Product Information]
★ 28 SIZES INDIVIDUAL DRILL BITS IN 3 - Instead of 28 individual drill bits, GLANICS 3 standard step drill bits are more convenient. Bit #1 (6 steps): 3/16", 1/4", 5/16", 3/8", 7/16", 1/2"; Bit #2 (13 steps): 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"; Bit #3 (9 steps): 1/4", 5/16", 3/8", 7/16", 1/2", 9/16", 5/8", 11/16", 3/4".
★ SMALL DESIGN WITH BIG USE - Two-fluted design provides faster, smoother cutting while avoiding the inconvenience of a tri-flat shank to ensure a firm grip.
★ EXCELLENT DURABLE PERFORMANCE- Made from High Speed Steel (HSS), and plating with titanium gold on the surface, more durable.
★APPLICABLE MATERIALS - Provided with small pressure and the sets can cut through wood, sheet steel, aluminium product, insulating plate, PVC board and other surfaces thinner than 5mm.
★ AUTOMATIC CENTER PUNCH - Match with one automatic center punch which is high-impact, spring-loaded strike when pressed against surface, help you to mark hole locations before starts drill bits and screws.