Marples 1966900 Forstner Drill Bit, 1 In., 3/8 In. Shank

The Irwin Marples 1966900 is a wood boring Forstner drill bit designed to bore smooth, flat-bottomed holes with precision. Its 1-inch bore size makes it ideal for dowel joints, hardware installation, and other woodworking applications where clean, accurate holes are essential. The brad point design starts the bit cleanly even on uneven surfaces, delivering consistent entry points.

This Forstner bit features a reduced 3/8-inch shank that fits 3/8-inch and larger drills and drill presses, making it compatible with most standard drill equipment. The 3-1/2-inch overall length provides a well-balanced tool for drilling.

Features and Benefits

• Brad Point Design: The precise brad point center starts the bit cleanly on uneven surfaces, ensuring clean entry points without wandering.
• Flat-Bottomed Holes: Creates smooth, flat-bottomed holes that are perfect for doweling, hardware installation, and precision woodworking.
• Reduced Shank: The 3/8-inch shank fits 3/8-inch and larger drills and drill presses for universal compatibility.
• Optimal Length: At 3-1/2 inches overall, the bit offers excellent balance and control.

Specifications

• Brand: Irwin Marples
• Model: 1966900
• Bore Diameter: 1 inch
• Shank Diameter: 3/8 inch (reduced shank)
• Overall Length: 3-1/2 inches
• Bit Type: Forstner with brad point