Techniks 21480/H63A | HSK63A Taper x 0" - 9/16" Range x 1.890" Diameter x 2.320" Projection Length Steel Rigid Tap HolderTechniks 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. Techniks Rigid Tap Holders are Taper Ground to AT3 accuracy or better. They also are Quick Change Style to increase productivity. Product Specifications UNSPSC Code