deli | 5pcs HSS Titanium Coated Round Shank Saw Drill Bit Serrated Cutting Twist Drill Household Electric Drill Hole Drilling Tools

Specifications Material: HSS-4341 Surface: Titanium Coated Point Angle: 135° Fully Ground Cutting Edge Available Size: 3mm / 4mm / 5mm / 6mm / 6.5mm / 8mm Features ✅ 2-in-1 Drill & Saw Design Sawtooth structure realizes drilling, cutting and grooving in one tool. No need to change bits frequently, greatly improve your work efficiency. ✅ 135° Fully Ground Drill Tip Precise positioning, prevents wandering while drilling. Smooth chip removal, faster and cleaner drilling operation. ✅ Precision Machined Saw Teeth Sharp serrated cutting edges for sawing and slotting. Efficient chip evacuation, ideal for cutting and grooving tasks. ✅ HSS Titanium Coating High hardness, outstanding wear resistance, long service life, reduce friction during operation. ✅ Straight Shank Design Stable clamping, compatible with most common electric drills. Application ✅ Highly Recommended Solid wood, blockboard, plywood, particle board, MDF, plastic sheets ⚠️ Conditionally Applicable Thin iron sheet, aluminum plate, aluminum alloy ❌ Not Recommended Tile, concrete, brick wall, stone Operation Tips For sawing & grooving work, cut against the rotation direction of the drill. Drill a pilot hole on the workpiece Tilt the drill bit to cut the groove outline Keep vertical posture to cut through the material Note: This drill bit is mainly designed for wood processing. Do not use for hard stone, ceramic and concrete materials.