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

South Coast Fasteners supplies 1/4-20 x 3 1/4" Phillips Flat Head Self-Drilling Reamer Screws, Steel, War Coated. This reamer is designed to bring previously drilled holes to precise diameter tolerances and smooth surface finishes. It removes minimal material with each pass for accurate final sizing in press fits, bearing bores, and close-tolerance applications.

Commonly used in Construction, Manufacturing, Industrial Maintenance, Heavy Equipment, Energy, 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.