1/4-20 x 3-1/2" Phillips Flat Head Self-Drilling Reamer Screws, Steel, War Coated

South Coast Fasteners supplies 1/4-20 x 3 1/2" Phillips Flat Head Self-Drilling Reamer Screws, Steel, War Coated. This chucking reamer provides consistent hole sizing and surface finish in ferrous and non-ferrous metals, achieving the dimensional accuracy required in tooling, fixture, and component machining.

Commonly used in construction, manufacturing, industrial maintenance, energy, transportation, 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.