Carbide Tipped:The countersink drill bits are crafted with sturdy carbide tips, ensuring long-lasting performance and reliable use. Low Friction Depth Stop:Equipped with a low friction depth stop, the countersink drill bits allow for precise and consistent countersinking, anti-over-drilling and ensuring optimal hole depth. Quick Change Hex Shank:The countersink drill bits feature a 14 quick change hex shank, allowing for easy and quick bit changes. Compatible with most standard drills and drill presses. Replaceable Drill Bit:The set includes a replaceable for Pilot drill bit, providing enhanced durability and longevity. Ensures smooth and accurate drilling results. Versatile Usage:Suitable for various applications, the countersink drill bits are perfect for woodworking projects, providing clean and professional countersunk holes in wood and plastic materials. Product Name:Countersink Drill Bits Application:For woodworking Specification:A:2.8x10mm/B:2.8x8mm Colour:Red Material:Aluminum Alloy Package Contents: 1 set x Countersink Drill Bits Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.