Quick facts
- Brand: IRWIN
- Price: USD 34.98
- Rating: 4.70 (2213 reviews)
The IRWIN Marples Forstner Bit Set (8 Piece) is built for woodworkers who want clean results when drilling flat-bottomed holes, pocket holes, and other precision recesses. The bits feature optimized ultra-sharp cutting teeth engineered to cut smoothly through both hard and soft woods, helping you get a cleaner finish with less effort.
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Compared with traditional forstner bits, this set is designed to reduce cutting time—useful when you’re drilling multiple holes for hardware, joinery, or general shop projects. A reduced shank design fits 3/8″ and larger drills and drill presses, making it a practical pick for common shop setups.
Sizes included: 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).
- Drills high-quality flat-bottomed and pocket holes
- Ultra-sharp cutting teeth engineered for smooth cutting in hard and soft woods
- Designed to reduce cutting time versus traditional forstner bits
- Reduced shank fits 3/8″ and larger drills and drill presses
- 8-piece set with sizes from 1/4″ to 1-3/8″ (6.3mm to 34.9mm)
At a glance: Brand: IRWIN • Model/Part Number: 1966892 • Set size: 8 pieces • Customer rating: 4.7/5 (2,213 reviews) • Price: $34.98






