
right hand thread for bridgeport mill, left hand thread for imports. if the nosepiece does not unscrew this means the threads of the nosepiece are bad you may never get it off without damaging the nosepiece and or quill. it can be very expensive to replace both nosepiece and quill. at this point most people live,mill and kiln gears installation maintenance,installation and maintenance manual mill and kiln gears . mill and kiln gears i david brown mill and kiln gears rev. 01 product safety information general the following information is important in ensuring safety. it must be brought to the attention of personnel involved in the selection of david brown drawings and capacities are