Meet the Irwin Marples 1/4 in. x 4 in. L Carbon Steel Forstner Drill Bit with Round Shank—built for woodworkers who demand clean, precise holes. This 1/4" Forstner bit carves flat-bottom recesses with minimal tear-out, making it ideal for dowel joints, hinge mortises, and decorative pockets in cabinetry and furniture projects. Crafted from durable carbon steel, it combines sturdy performance with a compact 4" overall length to reach deeper into material while maintaining control.
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Diameter: 1/4 inch
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Overall length: 4 inches
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Shank type/diameter: Round shank, 3/8 inch
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Material: Carbon steel
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Packaging: Boxed, sold as a single bit
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Brand: Irwin / Marples
The Forstner design excels where precision matters: it creates clean edges and a flat bottom, which is essential when you need exact hole depth for dowels, hardware fittings, or inlays. The 4" length enables deeper drilling without compromising accuracy, making it a reliable choice for cabinetry, furniture making, and workshops where consistent results matter.
Who benefits most from this bit? serious hobbyists, professional woodworkers, and cabinetry specialists who value repeatable, professional-grade holes. It shines on softwood and hardwood alike, delivering dependable performance with proper technique and equipment.
Tips for best results:
- Use with a drill press or a steady hand drill at a moderate speed to maintain accuracy and reduce heat buildup.
- Advance slowly and withdraw periodically to clear chips and prevent clogging.
- Keep the bit dry when not in use and store in the boxed packaging to minimize rust risk on carbon steel.
In short, the Irwin Marples 1/4 in. x 4 in. Forstner drill bit with a round shank is a focused, long-reach solution for clean, flat-bottom holes in woodwork—perfect for precise joints, hardware recesses, and clean decorative pockets.
