218573產(chǎn)品概述
Three & Five-Flute HSS Countersinks
90° flutes for use with machines and portable tools
Three-flute designed to reduce clogging, improve clearance and be chatter free
Three-flute for use on metals only
Five-flute for use on metal and wood
Approvals:
BS6500, CENELEC HD21.5 and BASEC