Twister Rail Drill Bits - 1-3/16" sd_preorder which are built from hardened

which are built from hardened M42 HSS (molybdenum) steel with a titanium aluminum nitride (TiAIN) coating

Measures 1/8" to 2" (in increments of 1/8")

bold and easy-to-read lettering

This bull nose grinding stone/abrasive plug by Norton has an 11-threaded arbor hole to ensure a proper hold when attached to a drill bit

Whether you need to use it for turnouts or tangent track

Twister Rail Drill Bits - 1-3/16" sd_preorder which are built from hardenedDescription 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