IRWIN Marples Forstner Bit Set, 8-Piece — Sharp Wood Drilling Bits

Precision woodworking with IRWIN Marples Forstner Bit Set

IRWIN Marples Wood Drilling Forstner bits are built from tough carbon steel designed to stay sharp and deliver clean, flat-bottomed holes. The bits support accurate pocket holes in both soft and hard woods, making them a reliable choice for fine woodworking, cabinetry, and detailed projects.

In practice, the ultra-sharp teeth use optimized angles to slice through wood with minimal resistance. The result is smoother cuts, a more consistent hole diameter, and a noticeable reduction in drilling time compared with traditional Forstner designs.

The bits feature a reduced shank that fits 3/8" and larger drills and drill presses, enabling use with many common shop machines. This makes them well-suited for bench-top work, stand-alone drill presses, or portable setups where precision matters.

What you get

• Eases cutting of clean flat-bottomed pockets and holes with consistent depth
• Ultra-sharp teeth deliver smooth cuts in hard and soft woods
• Potentially shorter drilling times versus older forstner designs
• Reduced shank fits 3/8" and larger drills and drill presses

• 1/4" (6.3mm)
• 3/8" (9.5mm)
• 1/2" (12.7mm)
• 5/8" (15.8mm)
• 3/4" (19.0mm)
• 7/8" (22.2mm)
• 1" (25.4mm)
• 1-3/8" (34.9mm)