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IRWIN Marples Forstner Bit, Wood Drilling, 1-Inch (1966900) 1 in 1-Inch Bit

Quick facts

  • Brand: ‎IRWIN
  • Price: USD 9.99
  • Rating: 4.70 (3211 reviews)

If you want cleaner-looking holes for hardware, joinery, or cabinetry, the IRWIN Marples 1-inch Forstner bit is built to help you drill smooth, flat-bottomed and pocket holes in less time than traditional Forstner bits. Its optimized, ultra-sharp knife-edge design is engineered to cut through both hard and soft woods smoothly and efficiently.

This bit features a reduced straight shank that fits 3/8″ and larger drills and drill presses, making it a practical choice for shop setups and jobsite drilling alike. With a 25.4 mm (1 inch) cutting diameter, it’s a solid pick when you need consistent, high-quality results for fine woodworking and cabinet-making projects.

  • Drills flat-bottomed and pocket holes in significantly less time than traditional Forstner bits
  • Optimized ultra-sharp knife edge design engineered to cut through hard and soft woods smoothly and efficiently
  • Produces high-quality flat-bottomed and pocket holes with a fine, smooth finish
  • Reduced shank fits 3/8″ and larger drills and drill presses
  • Ideal for fine woodworking, cabinet-making, and more

At a glance: Brand: IRWIN • Size: 1 in (25.4 mm) • Shank type: Straight • Finish: Brushed • Rating: 4.7/5 (3,211 reviews).