Diablo FB-001 Round Shank Forstner Drill Bit, Steel, 1/4" x 3-1/2" Air Conditioner Cords Operates at very high speeds

Operates at very high speeds for quick results and smooth finishes

Lightweight design for comfortable operation

textured and popcorn style acoustic ceilings and painted metal

Sets can be connected end to end

Weatherwood

Diablo FB-001 Round Shank Forstner Drill Bit, Steel, 1/4" x 3-1/2" Air Conditioner Cords Operates at very high speedsHighlights: Material : Steel Shank type : Round shank Drill bit diameter : 1 4" Dril bit length : 3 1 2" Shank diameter : 1 4" Chuck size : 1 4" High speed steel body with an ultra sharp spur for an accurate hole without walking on material The steep, angled cutting edges produce smooth, flat holes in all types of wood