About This 【5-Piece Countersink Drill Bit Set】 Includes 5 commonly used drill bit sizes: 1/8", 9/64", 5/32", 11/64", and 3/16", ideal for 3/8" and 1/2" 82° countersink holes. Comes with a 1/4" hex shank and two depth stop collars for a secure grip and wide drill compatibility. 【Durable & Sharp Steel Construction】 Crafted from high-quality steel with excellent toughness and wear resistance. Spiral flutes provide efficient chip removal, while sharp alloy steel cutting edges ensure clean, precise countersinks—built to last through long-term use. 【Adjustable Drilling Depth】 Equipped with a hex key to easily adjust drilling depth. The included plastic depth stop rings help prevent over-drilling, offering greater accuracy and consistency in your countersinking tasks. 【Widely Compatible & Versatile】 Designed with an 82° standard countersink angle, suitable for use on wood, plywood, MDF, particleboard, plastic, and drywall. Fully compatible with most electric drills for both DIY and professional applications. 【Compact Storage & Easy Organization】 All bits, wrench, and depth rings are neatly packed in a lightweight storage case (approx. 250g). Each bit is clearly labeled for quick identification, making your work faster and more efficient. Overview Material : Stainless Steel Cutting Diameter : 3.2, 3.6, 4.0, 4.4, 4.8 Millimeters Shank Type : Straight Cutting Angle String : 3 Degrees Brand : BURMONG
