11Pcs Countersink Drill Bit Set, Adjustable Titanium HSS Wood Bits

TWO-FLUTE SPIRAL CUTTING DESIGN - Countersink drill bit for wood use double-flute design that cuts more evenly and efficiency than the single-flute drills, while spiral flutes clear chips smoothly to reduce clogging and leave cleaner, more precise holes

PRE-DRILL & COUNTERSINK IN ONE STEP - Countersink drill bit create a pilot hole before driving the screw to help reduce wood cracking and splitting, The hole is symmetrical, smooth, fits well with various size screws, improve the look of projects

ADJUSTABLE COUNTERSINK DEPTH - Use the Allen wrench to adjust and secure the bit position for hidden or flush screw heads. Made from titanium coated HSS, the drill bits work with softwood, plywood, MDF and hardwood, avoid prolonged hardwood use

Five sizes with replaceable pilot drill bits - This pilot drill set includes countersunk drill bits in sizes 4, 6, 8, 10, and 12, along with five replacement bits and an Allen wrench.WIDE APPLICATIONS - Countersink bit features a 1/4" hex shank that compatible with cordless drills, electric drills, hand drills, and bench drills and works well for furniture assembly, cabinet making, carpentry and home wood repairs

What's in the box
11 x Drill bit kit