Irwin Marples 1966893 14-Pc Carbon Steel Forstner Drill Bit Set
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The Irwin Marples 1966893 is a 14-piece carbon steel Forstner bit set marketed under the Irwin Marples brand, supplied new in original packaging with a molded blue plastic storage case. The set covers 14 fractional inch sizes ranging from 1/4 in through 2 in, with bits featuring a center spur, two outer spurs, and a flat-bottomed cutting geometry designed for clean, flat-bottomed holes in wood, plywood, particleboard, and composite materials. Each bit has a round shank sized for standard 3-jaw drill chucks and accepts use in drill presses or handheld drills. This set is listed as new — other; the case lid shows minor cracking to the clear plastic tray insert as visible in photos, but all 14 bits appear unused and unsharpened.
Product Specifications
| Brand | Irwin Marples |
| MPN | 1966893 |
| Number of Pieces | 14 |
| Bit Material | Carbon Steel |
| Bit Type | Forstner |
| Size Range | 1/4 in to 2 in |
| Shank Type | Round |
| Hole Bottom Type | Flat-bottomed |
| Compatible Materials | Wood, plywood, particleboard, composites |
| Storage Case | Molded blue plastic case included |
| Condition Notes | New — other; clear tray insert cracked, bits unused |