Guhring’s RT 100 T line of sub-micro grain carbide, coolant fed, extra length drills combine a unique flute and web design with a resilient grade of carbide. The result is a deep hole drill that will drill up to 30-times the diameter depth in one pass, without pecking. Available in three sizes, the series 6511 is a 20 times diameter to depth drill (20xD), while the series 6512 is a 25xD flute length design. For extremely deep applications, the series 6513 provides the maximum diameter to depth ratio at 30xD. All RT 100 T drills have Super-A coated tips for maximum wear resistance and a revolutionary new flute construction.

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