Value Collection 859780/859001 Micro Drill Chuck Adapter

Product Description

The VALUE COLLECTION 859780/859001 is a keyed micro drill chuck adapter and chuck designed for precision drilling applications. Featuring a straight shank with a 1/2 inch shank diameter, this adapter accepts drill bits ranging from 1/64 inch to 5/32 inch, making it suitable for light-duty and detail drilling tasks. The keyed chuck mechanism provides a secure grip on small-diameter bits, reducing slippage during operation. Machinists, toolroom technicians, and skilled tradespeople who work with small drill presses, milling machines, or drill press attachments will find this a practical accessory for fine-tolerance work. The unit ships as a complete adapter and chuck assembly weighing 1 pound.

This micro drill chuck adapter is suited for use in shop environments where small-diameter hole drilling is required. Typical applications include light metalwork, woodworking, electronics assembly fixtures, and general bench-top drilling operations. It is compatible with machines or equipment that accept a 1/2 inch straight shank toolholder. The 1/64 inch to 5/32 inch chuck capacity covers a wide range of small twist drills commonly used in trade and shop settings.

Key Features

• Straight shank design with 1/2 inch shank diameter for broad machine compatibility
• Keyed chuck provides positive bit retention on small-diameter drill stock
• Chuck capacity range of 1/64 inch to 5/32 inch covers common micro drill sizes
• Complete adapter and chuck sold as a single assembled unit
• Lightweight at 1 pound for easy bench-top handling

Compatibility

Designed as a replacement or supplemental micro drill chuck adapter for machines and equipment that accept a 1/2 inch straight shank toolholder.

Installation Notes

Installation should be performed by a qualified machinist or toolroom technician familiar with drill press or milling machine toolholder procedures. Ensure the machine is fully powered down and the spindle is locked before inserting or removing the shank adapter. Use the supplied chuck key to tighten bit retention before commencing any drilling operation. Verify that the shank is fully seated and secured in the machine collet or chuck before use.