5-piece adjustable drill bit set, 15/20/25/30/35mm bits for wood drilling, cemented carbide wood machining hole saw with depth stop

【High quality】The hinged spindle is made of cemented carbide, which makes the cut sharper, more durable, allows for unimpeded chip removal, and has excellent boring capacity and performance. Hinged spindles are available in the following sizes: 15mm (19/32"), 20mm (25/32"), 25mm (1"), 30mm (1-3/16"), and 35mm (1-3/8").【Design to double edge】The drill head adopts a double-edged arc design, quickly removing debris and ensuring efficient work. The central spur on each spindle guarantees precise drilling and prevents wobbling and oscillation during operation, creating perfectly round and accurate holes.【DEPTH STOPPER DESIGN】 A depth stop can be attached to the rod to prevent drilling too deep, with a limited depth of 15mm to 40mm. You can also remove the stop for unlimited depth.【Widely used】Suitable for drilling presses, pistol drills, bench drills, vertical drilling machines, hand-held electric drills, foot-operated motor drills, and moving band-type magnetic drilling machines, etc. Can be used for drilling wooden products, mounted ball-end door punches, drawers, plastic products, wood, plywood, etc.【Easy to use】Easily and conveniently drill the cutout on the cabinet or desk door yourself with the hinge drilling jig, suitable for DIY projects at home. Even if you're not a professional, you can quickly locate the drilling center points for hinges and mounting plates.