8-11X3 6 Lobe Flat Nibs Coarse Thread Type 17 Exterior Screw Partial Thread Zinc Yellow (Pack Qty 2,000) BC-0848DTF17Y

An externally threaded fastener with a countersunk head, six-lobed recess, a single lead thread. The shank has a reduced diameter and a chip cavity cut out where the final several threads end at the tip The deeper thread design offers greater resistance to pull-out forces. The six-lobe recess transmits drive torque with less required downward pressure