The Dremel multi chuck (4486) allows the quick and easy changing of accessories without the use of collets. This miniature chuck accepts accessories with shank diameters between 0.8mm to 3.2mm. This invaluable accessory for Dremel rotary multi-tools avoids the need to change collets every time you switch an accessory with a different shank diameter.
To install the chuck first remove the standard collet holder and collet. Hold down the shaft-lock button, to prevent the main shaft from turning and screw on your new keyless chuck. Insert your chosen accessory and continue tightening until the chuck grips firmly. To change bits simply reverse the process.
Accepts all accessory bits with 0.8mm (1/32") to 3.2mm(1/8") shanks, use with Dremel rotary multi-tool models in series; 4000, 4250, 3000, 7700, 8220, 8200, 8240, 8260, 8050. Also fits Dremel attachments 225 Flexi shaft, and 575 Angle attachment.
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