Adjustable Countersink Drill Bit Set for Wood Screws, #4-#12, High-Speed Steel

About this item

• US WOOD SCREW USAGE GUIDE: What’s the procedure? The tool features an adjustable depth to accommodate different wood thicknesses. Step 1: Loosen the locking screw to modify the twist drill's length, clear out any wood debris, or swap out the drill bit. Step 2: Confirm that the exposed length of the twist drill bit corresponds with the segment that extends past the screw head. Step 3: Secure the locking screw and proceed to drill through the two pieces of wood simultaneously. Step 4: Insert the screw into the pilot hole.
• UNIQUE SINGLE BLADE DESIGN: Eliminates chatter, ensures smooth finishes, razor-sharp precision. No wobbling, no chatter, no roughness, just pure smoothness
• VERSATILE USE: toolant countersink drill bits set is ideal for all kinds of impact drills, including hand drills, bench drills, and electric drills. Adjustable depth for various wood thicknesses. Perfect for softwood-pine, hardwood-maple/redwood, composite material-MDF (Plywood) and more
• WHAT YOU WILL GET: toolant combination countersink drill bits set including 5Pack countersink drill bits set#4, #6, #8, #10, #12, extra free replaceable drill bits, Allen Wrench, Set Screw, Storage Case
• STRONG AND DURABLE: Premium high-speed steel pilot drill bits prevent breakage; One-piece 1/4" hex shank chamfer cutter; Drill, Countersink and Counterbore in one step