Value Collection 63323091 Drill Blank Letter F Hss

Product Description

The VALUE COLLECTION 63323091 is a Letter F drill blank ground from high speed steel with a bright, uncoated finish. At 0.2570 inches in diameter and 4-1/8 inches overall length, this blank serves as the raw stock from which custom drill points, reamers, and special cutting tools are ground. High speed steel construction provides the hardness and wear resistance needed for regrinding and resharpening applications in tool room and production environments. The uncoated finish allows machinists to inspect the steel surface and apply coatings as required for the intended application.

Letter F drill blanks are used in tool-and-die shops, machine shops, and maintenance departments where custom or special-purpose cutting tools are fabricated in-house. The 4-1/8 inch overall length provides sufficient stock for grinding standard fluted drill geometries or step configurations. This blank is appropriate for metalworking, general manufacturing, and precision tooling operations where off-the-shelf drill geometries do not meet the required specification.

Key Features

• Letter F size at 0.2570 inches diameter for precise dimensional accuracy
• 4-1/8 inches overall length provides ample stock for custom tool grinding
• High speed steel construction delivers hardness and heat resistance suited for cutting tool applications
• Bright, uncoated finish allows visual inspection and accepts secondary coatings
• Consistent ground diameter for reliable fitment in collets and tool holders during fabrication

Compatibility

Designed as a standard Letter F drill blank for use in tool room fabrication and regrinding applications where a 0.2570-inch diameter high speed steel blank is specified.

Installation Notes

Drill blanks require grinding by a qualified tool grinder or machinist to produce the final cutting geometry. Secure the blank properly in a tool and cutter grinder before any grinding operation. Inspect the blank for surface defects before machining. Follow standard shop safety practices including eye protection and proper wheel guarding when grinding high speed steel.