Twister Rail Drill Bits - 15/16" Tools Welding 2-3/16" tapered broach and 8-point

2-3/16" tapered broach and 8-point deep length impact socket with 1" square drive

With this all-metal

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By using this custom reaction arm

and improve productivity

Twister Rail Drill Bits - 15/16" Tools Welding 2-3/16" tapered broach and 8-pointDescription 15 16" 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.