1/4-20 x 3-3/4" Phillips Flat Head Self-Drilling Reamer Screws, Steel, Zinc Plated

South Coast Fasteners supplies 1/4-20 x 3 3/4" Phillips Flat Head Self-Drilling Reamer Screws, Steel, Zinc Plated. Engineered for precision hole finishing in machined components, this reamer delivers tight diameter control and a high-quality bore surface in applications where drilled hole quality alone is insufficient for the required fit.

Commonly used in construction, manufacturing, energy, transportation, heavy equipment, these products are applied in finish-sizing drilled holes in machined components, jigs, fixtures, and precision assemblies where close tolerances and smooth bore surfaces are required.