Metal Drilling Bit 13pc Square Drill Bit Set 1.5-6.5mm Titanium Plated Hss4241 Twist Drills For Metal Drilling Triangular Shank Bit It is Great for drilling holes for iron, metal, aluminum, copper, wood, plastic, PVC board and many other types of sheets. Step Drill Bit HSS4241 1/4" to 3/4" 9 Sizes Straight Flute Triangular Shank for Metal Wood Plastic $10.09. Step Drill Bit HSS4241 1/4" to 3/4" 9 Sizes Straight Suitable for hand-held drilling rigs, drilling machines, milling machines and machining centers, for metal sheet, maintenance and modification, bridge doors and windows, home appliances, etc., ., Note: High temperature will affect the working life, please use coolant while drilling on metals to ensure the drill bit working properly. 6pcs Triangular Shank Straight Groove Step Drill Bits Saw Drills Bit... This step drill bit is durable and strong enough to punch and drill clean holes in materials like metal, wood, etc., ., It can also help to enlarge existing holes and clean edges. HSS4241 Gold Ladder Step Drills High-speed Steel Plate Drill Ladder Step Twist Pagoda Drill Hole Cutter Tool 4 32 4 20 4 12 Avoid falling the bits from high place.
