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Product Details
✓【Complete 22-Piece Set】EZARC countersink drill bit set includes 5pcs flat head countersink drill bits -#4 (5/64″), #6 (3/32″), #8 (7/64″), #10 (1/8″), #12 (9/64″); 6pcs replaceable HSS drill bits; 2pcs wood plug cutters (3/8", 1/2"); 7pcs S2 screwdriver bits; 1pc magnetic extension bit holder; 1pc hex wrench; all neatly packed in a durable storage case.
✓【Dual-Flute Flat Head】Featuring a two-flute cutting edge, these countersink drill bits ensure smoother cutting, reduced vibration, and faster drilling compared to single-flute designs, delivering a precise and clean finish on wood.
✓【Nitride-treated HSS】Crafted from premium HSS 4341 with a nitrided surface treatment, the drill bits offer higher hardness, wear resistance, and extended tool life. Suitable for both softwood and hardwood (not recommended for prolonged use on hardwood).
✓【All-in-One Drilling Solution】Perform drilling, countersinking (82°), and counterboring in a single step. Adjustable drilling depth provides flexibility for different woodworking tasks, while the stepped chamfer blade reduces cutting resistance for higher efficiency.
✓【Versatile & Convenient】Equipped with a 1/4" hex shank for compatibility with hand drills, electric drills, and bench drills.The extendable magnetic bit holder provides extra reach and stability when driving screws.