Piloted Core Drills for Sunnen / Tobin-Arp - 7109
Piloted valve guide core drills are manufactured from High Speed Steel and intended to be used in a Valve Guide and Seat Machine, Bridgeport style machine, or bed mill.
Valve guide core drills are designed to be used with valve guide core reamers to achieve a final size finished size for press fit guide installation.
Pilot OD: .437
Finish OD .610
Use with p/n 7110 Core Reamer for .625 final finish size
Sunnen and Tobin-Arp core drills have a 1/2" Round Drive with a Flat
Valve guide core drills are designed to be used with valve guide core reamers to achieve a final size finished size for press fit guide installation.
Pilot OD: .437
Finish OD .610
Use with p/n 7110 Core Reamer for .625 final finish size
Sunnen and Tobin-Arp core drills have a 1/2" Round Drive with a Flat