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This ensures convenience when working on the rail section
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This 1-3/16” annular drill bit has been manufactured by Trak-Star
a 10 GPM flow rate
Areas repaired with FastPatch 5000 can be re-opened to traffic in one hour or less
Twister Rail Drill Bits - 3/4" Battery Powered Welding This ensures convenience when workingDescription 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.
