Description <br> Features: Engineered with hexagonal shank design, this 5 piece Forstner bit set delivers precise flat bottom holes (15-35mm) in woodworking projects while maintaining slip resistant stability in power tools. <br> The adjustable depth collar and wing styles cutting edges enable clean hinge installations and efficient wood chip removal, crafted from hardened alloy steel for extended durability across multiple drilling applications. <br> Ideal for professional DIYer enthusiasts requiring accuracy in cabinet hardware mounting, door lock installations, or furniture fabrication with standard wood materials. <br> Perfect for creating recessed joints in tabletops, drilling shelf pin holes in bookcases, or preparing concealed hinge cavities for kitchen cabinet doors and architectural woodwork. <br> Each Forstner drill bit features markings and heat treated construction, ensuring consistent performances when working with hardwoods, plywood in workshop environments. <br> <br> Specifications: Component: Metal. <br> Size: 81x35x35mm/3.18x1.37x1.37inch <br> Weight: 432g. <br> Specifications: 15mm, 20mm, 25mm, 30mm, 35mm. <br> <br> Package Includes: 5pcs Wood Boring Bit <br> <br> note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you donot mind befores you order. <br> 2.Due to the differences between different monitors, the picture may not reflect the actual color. <br> Thanks for your understandings. <br>