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Accessory for Proxxon power drills 28940 by Proxxon
Proxxon 28940 accessory is a set of drill chucks and collets designed for use with Proxxon handheld MICROMOT machines (excluding the engraver GG 12). The kit extends the functionality of compatible power drills by providing a range of small-diameter clamping options and a compact storage holder. It is intended for workshop and hobby environments where precise, small-scale drilling and light machining tasks are performed.
The accessory set includes multiple collet sizes to accommodate a variety of small drill bits, improving versatility for fine drilling tasks. A clamping nut is provided to ensure secure bit retention during operation, while the included holder offers tidy storage and easy access to the components. Design and dimensions match Proxxon handheld MICROMOT tools to maintain secure fit and consistent performance.
Select the collet matching the drill bit diameter, insert the bit into the collet and secure it with the clamping nut. Fit the assembled collet and nut into the tool spindle according to the MICROMOT machine instructions, then tighten to the required torque using the appropriate tool. Verify that the bit is centered and held firmly before starting the machine. For removal, allow the machine to stop completely, then loosen and withdraw the clamping nut and collet.
Use the smallest possible drill bit and appropriate feed pressure for the material to reduce runout and prolong collet life. Regularly inspect collets and clamping nut for wear or damage and replace any worn components. Ensure compatibility with your specific handheld MICROMOT model before use and follow the machine manufacturer's safety instructions.
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