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reducing setup changes and supporting efficient workflow on both one-off and batch work
21 mm reamer gives you precise
The "Second Lead" configuration means the cutting action starts more gradually
Taper shank with DIN 8051 B tolerance for secure fit: The tapered shank and ISO H5 bore tolerance deliver a reliable
Bottoming lead: enables full-thread depth to the bottom of the hole for maximum engagement and strength
JBO Plug Gauge - Metric (STI) Heli Coil Gauge - Right Hand - 6H - M7 x 1 - Calibrated (DAkkS Calibration) Power Milling Chucks reducing setup changes and supportingThe JBO Plug Gauge Metric (STI) Right Hand, 6H, M7 x 1, Calibrated with DAkkS is a precision inspection tool designed to verify metric screw thread inserts (STIs) used across manufacturing, automotive, and aerospace environments. Built to ANSI ASME standards, this gauge provides reliable, repeatable measurements with a traceable calibration, giving QA teams and technicians the confidence they need on the shop floor. Exact Metric STI fit (M7 x 1):
