- Duncan, South Carolina, United States
- Jun 9th
ER20 SPANNER WRENCH - LYNDEX G6.3 Balanced To 18,000 RPM Features Collet Chucks TIR: <.0001" at collet face Made from nickel chrome molybdenum alloy, hardened to 55 - 58 Rc. Ground surface for perpendicular contact between retention knob and holder. AT3 or better taper contact: .0028° tolerance variation 80 to 126 millionths Drive keys milled to same depth for symmetrical body design.