4pcs Cemented Carbide Countersink Drill Bit Set Adjustable Depth 4 Piece Set Hex Shank Drill Bit 1/4” Hex Shank

[CLEAN PRODUCTION] The countersink drill bit creates precise countersunk holes for flat head and plug head screws without splitting the wood, helping you achieve neat and professional results. [ADJUSTABLE DEPTH] Adjustable for screws of different lengths, it ensures consistent depth of the countersink holes while keeping the work surface safe and avoiding debris buildup in the chip cavity. [WIDE APPLICATION] Suitable for wood, medium density fiberboard, particle board, and dense plywood. Avoid cutting ferrous metals and other materials such as steel, iron, and sand. [CEMENTED CARBIDE BUILD] Made of cemented carbide with a hardness of HRC 50 to 54, the countersink bit delivers strong cutting capability, solid durability, and dependable wear performance. [4 PCS SET] Includes 4 countersink bits: 1/4 x 2.5, 1/4 x 2.8, 1/4 x 3.2, and 1/2 x 3.5. Use them to make your work more efficient and smooth. Item Type: Countersunk Drill Bit Material: Cemented Carbide Color: Black Specification: #6, #8, #10, and #12(2.5*9.5mm,2.8*9.5mm,3.2*9.5mm,3.5*12.5mm) Size:2.5*9.5mm(0.10*0.37in),2.8*9.5mm(0.11*0.37in),3.2*9.5mm(0.13*0.37in),3.5*12.5mm(0.14*0.49in) Package List: 4 x Countersunk Drill Bit 4 x Hex Wrench 4 x Screw 4 x Storage Cartridge