ArtCraftman 12 PCS Wood Countersink Drill Bits, M2 High Speed Steel 4-Flute Pilot Bits, Depth Stop & L-Wrench, Precision Kit for Wood, Plastic, DIY & Drilling Tasks

Key features

• COMPLETE 12 PCS COUNTERSINK DRILL BIT KIT: This all-in-one woodworking countersink drill bit set comes with 4 practical countersink bits in varied sizes (2.8×8, 3.2×8,3.5×10, 4.0×10), 4 fixing screws, 1 L-shaped wrench, 2 M2 HSS pilot bits. Equipped with an adjustable depth stop ring, it supports one-step drilling and countersinking, enabling flat-head screws to be installed flush for neat and professional finishing.
• PREMIUM M2 HSS & 4-FLUTE CUTTING DESIGN: Built with high-quality M2 high-speed steel pilot bits, this countersink drill set features a 4-flute spiral chip removal structure for enhanced cutting efficiency and smooth debris discharge. The ultra-sharp HSS cutting edges deliver burr-free and flat countersink holes, perfectly matching standard 82° American imperial flat head screws to meet mainstream US woodworking standards.
• PRECISELY ADJUSTABLE DRILLING DEPTH: Designed with an adjustable depth stop block and hex fixing screws, this wood countersink drill allows users to freely fine-tune drilling and countersinking depth. It effectively avoids over-drilling or uneven sinking, providing high flexibility for different board thicknesses and diverse woodworking scenarios.
• WIDE COMPATIBILITY FOR MULTIPLE MATERIALS: This versatile countersink drill bit set works perfectly on solid wood, engineered wood, MDF, particleboard, plywood, aluminum plates, non-ferrous metals and various decorative materials. It is an essential woodworking tool for DIY crafting, home renovation, furniture making and professional drilling tasks.
• STABLE OPERATION & SAFETY GUIDANCE: To obtain clean, crack-free and smooth hole edges, it is recommended to operate the countersink bit at a low speed of about 200 RPM. All drill bits adopt sharp precision cutting design. Please wear protective gloves when taking out the bits from the package to prevent accidental scratches and ensure safe use.

Free shipping included. 30-day hassle-free returns.