Twister Rail Drill Bits - 1-3/16" Tools Welding and preventing derailment

and preventing derailment

It is 8 inches in diameter by 1 inch thick with a ¾ inch arbor hole

The protective housing also extends to 9 inches for a longer extension

a 10 GPM flow rate

(1) Graduated taper gauge

Twister Rail Drill Bits - 1-3/16" Tools Welding and preventing derailmentDescription This 1 3 16 annular drill bit has been manufactured by Trak Star. Its part of the Twister line of drill bits, which are built from hardened M42 HSS (molybdenum) steel with a titanium aluminum nitride (TiAIN) coating. This 1 3 16 Twister rail drill bit uses a strong, thick core with a durable coating to deliver excellent cutting performance on rail sections of all types. Its designed to be compatible with all common railroad power drills