EZARC Wood Countersink Drill Bit Set, 4, 6, 8, 10, 12 Tapered Bits with 1/4" Hex Shank Quick Change, Counter Sinker Set for Carpentry and Woodworking

【Woodworking Countersink Bit Set】This 8pc Countersink bit kit includes popular sizes vital for woodworking tasks: #4 (7/64"), #6 (9/64"), #8 (11/64"), #10 (3/16"), #12 (7/32"). Also included are a 3/8" depth stop collar and a 1/8" Allen Wrench. 【Superior Nitrided HSS Construction】Crafted from M2 high-speed steel and topped with a nitride coat, our countersink bits surpass regular carbon steel versions with a lifespan twice as long. 【Precision Depth Customization】Adjustable collars in our set allow for meticulous control of pilot hole depths, giving your work a consistently professional appearance. 【Seamless Drilling & Impeccable Finish】Thanks to the twin sharp edges and an 82-degree chamfer angle, drilling through both hard and soft woods is a breeze. The tapering pilot bits facilitate clean pilot holes, ensuring a perfect fit for screws. Enjoy the convenience of drilling, countersinking, and counterboring in one action. 【Versatile Application】Perfect for a myriad of woodworking tasks, including cabinetry and crafting furniture, these counter sink bits are compatible with hand drills, stationary drills, and electric drills.