M.k. Morse 139007 Hole Saw Arbor Hex Shank

Product Description

The M.K. MORSE 139007 is a hex shank hole saw arbor designed to mount small-diameter hole saws to standard drill drivers and drill presses with a minimum chuck size of 6 mm. The arbor features a 1/4-inch hex shank for quick tool-free bit changes and a threaded shank attachment using a 1/2-20 thread size. An integral high speed steel pilot drill centers the cut and guides the saw through the workpiece. The steel body holds up to the torque demands of repeated hole saw use in metal, wood, and plastic applications. This is a compact, single-piece arbor suited for electricians, plumbers, and general construction trades.

The 139007 arbor is compatible with hole saws ranging from 9/16 inch to 1-3/16 inch in diameter. It is well suited for residential and light commercial work where a compact hex shank tool is required, such as drilling conduit knockout holes, pipe penetrations, and cable access points. The 1/4-inch hex shank fits standard quick-change drill chucks commonly used with cordless and corded drill drivers on the jobsite.

Key Features

• 1/4-inch hex shank for quick-change compatibility with standard drill chucks
• Threaded shank attachment with 1/2-20 thread secures hole saws firmly
• Integral high speed steel pilot drill for accurate centering
• Compatible with 9/16 inch to 1-3/16 inch hole saws
• Steel arbor body for durability under drilling torque
• Minimum chuck size of 6 mm for broad tool compatibility

Compatibility

Designed for use with 9/16 inch to 1-3/16 inch hole saws using a 1/2-20 threaded attachment. Requires a drill chuck with a minimum jaw capacity of 6 mm.

Installation Notes

Installation should be performed by a qualified tradesperson familiar with rotary cutting tools. Ensure the drill or drill press is powered off and the chuck is fully open before inserting the arbor. Thread the hole saw onto the arbor until it seats firmly against the arbor flange before beginning any cut. Wear appropriate eye and hand protection when operating hole saws in any material.