Twister Rail Drill Bits - 7/8" Drill Bits & Sockets Tools Find yours here

Find yours here

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

The bright yellow color maximizes awareness to operators

Twister Rail Drill Bits - 7/8" Drill Bits & Sockets Tools Find yours hereDescription 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.