Harvey Tool RRH0620 Chucking Reamer 0.0620 in Solid Carbide

Product Description

The HARVEY TOOL RRH0620 is a solid carbide chucking reamer designed to finish-ream precision holes to a tight tolerance in metalworking and machining applications. The tool features a 0.0620-inch diameter with a right-hand spiral flute geometry and a straight-cylindrical shank for secure chuck retention. With four flutes and a bright, uncoated finish, it delivers clean bore finishes in miniature hole applications. The reamer holds a diameter tolerance of +0.0000 to -0.0002 inches, making it suitable for close-fit dowel holes and precision bores where dimensional accuracy is critical. Overall length is 2 inches with a 7/16-inch flute length.

This reamer is intended for miniature-scale holemaking in machining environments where tight tolerances and fine surface finishes are required. It is well suited for prototype work, instrument manufacturing, mold and die work, and any application requiring small-diameter finish reaming in steel, aluminum, brass, and similar machinable materials. The miniature series designation indicates it is optimized for sub-1/8-inch diameter bore finishing. Installation and use are performed by machinists and toolroom technicians operating CNC machining centers, manual mills, or drill presses with collet or drill chuck setups.

Key Features

• Solid carbide construction for rigidity and wear resistance in precision reaming
• 0.0620-inch diameter with +0.0000 to -0.0002-inch tolerance for close-fit bore work
• Right-hand spiral, 4-flute design for smooth chip evacuation and fine surface finish
• Bright, uncoated finish suitable for a range of common machinable materials
• Straight-cylindrical shank for reliable seating in standard drill chucks or collets
• Part of the Miniature Reamers series, purpose-built for small-diameter precision applications

Compatibility

Designed as an OEM-style precision cutting tool for use in CNC machining centers, manual milling machines, and drill presses equipped with collet chucks or drill chucks accepting a straight-cylindrical shank of 0.0620-inch diameter.

Installation Notes

Chucking reamers should be installed by qualified machinists following standard toolroom practices. Ensure the machine spindle is fully stopped and all energy sources are locked out before changing tooling. Seat the straight-cylindrical shank fully into the collet or chuck to minimize runout, which directly affects bore tolerance and tool life. Do not use a chucking reamer to remove excessive stock; pre-drill or bore the hole to within a few thousandths of final size before reaming.