
Inch Size 1/4"-1/3/8" 8PCS Wood Hole Saw Set Hinge Boring Drills Wood Forstner Drill Bit. Versatile Shank Options: Available in Round, Quick Change Hex, Hex, and SDS Plus shanks. Multiple Teeth Types: Choose from continuous rim, tungsten carbide teeth, or flat bottom. High Carbon Steel Material: Forged construction with heat treatment ensures long life and sharp edge. Precision Center Spur: Accurately locates hole center without walking on the material. Efficient Chip Clearance: Wide gullets provide exceptional chip removal for smooth drilling. Wide Size Range: Diameters from 1/4 inch to 1-3/8 inch (6mm to 35mm) available. Customized Packaging: Standard wood box included; plastic box option is available. Multi-Purpose Application: Ideal for cup hinges, mortising, doweling, and hardware installation.