5/16″ Hollow Core Drill

PART#  902-227-3004

All ring core drills are available with a straight shank or attached to a brass nut with standard 5/8″ -11, 3/4″-16, 1/2″-12, 2 1/2″-16 or 16mm x 2.0 female treads.

Standard length is 4″ for up to 7/8″ diameter. Standard length for 1″ and alrger is 6″. Special lengths are available upon request. Some special daimeters may be available upon request.

All drill cores in good condition may be reptipped for new tool performance at a reduced price.

Note: Sizes are nominal shank sizes. Holes will be drilled slightly large.