Techniks 16466 | BT40 Taper x 44.45mm Diameter x 100.00mm Projection Length Drill ChuckTechniks mission is to provide high quality and innovative solutions that optimize manufacturing processes for customers engaged in metalworking, composites machining, and woodworking to meet the most challenging applications, improve machining processes, and create cost efficiencies. 7 times more holding power than standard chucks. Holds non standard shank sizes up to 1 2". Replaceable chuck is held by a drawbolt. Product Specifications UNSPSC Code