Twister Rail Drill Bits - 7/8" Drill Bits & Sockets Tools Easily set torque levels with

Easily set torque levels with the LED display for fast adjustments

and is easy to replace when it wears down

In our field testing of the LDA-40 cordless torque tool

Follow all safety requirements in use

approved red safety can with 1" by 9" hose

Twister Rail Drill Bits - 7/8" Drill Bits & Sockets Tools Easily set torque levels withDescription 7 8" titanium aluminum nitrate coated Twister annular (hollow) drill bits by Trak Star. Hi speed, premium steel. According to AAR field testing, they keep rail temperatures around the hole 35 degrees Fahrenheit above outside temperatures, eliminating thermally activated embrittlement and stress cracks.