Twister Rail Drill Bits - 3/4" iquest_created Welding is an essential part

Welding is an essential part of railway maintenance

Machined from high-quality metal using the latest best practices and design considerations

10' Length

If you experience prolonged freezing weather in your area of operations

At this point

Twister Rail Drill Bits - 3/4" iquest_created Welding is an essential partDescription 3 4" 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.