Master-View Optical Comparator Overlay Charts

OC-29-50X Screw Thread Overlay Chart (4–80 T.P.I.)

13 products

Precision overlay charts for the Suburban Tool Master-View 14" optical comparator, giving machinists, tool & die makers, and QC/inspection teams an accurate way to measure profiles, radii, angles, and screw threads directly on the comparator screen. Each chart is matched to a specific magnification for reliable, repeatable inspection.

This Made in USA collection covers the full range of overlay options at 10X, 20X, and 50X so you can compare parts against a known reference at a glance.

  • Combination grid and radius overlay charts
  • Radius and angle inspection overlays
  • Grid overlay charts for layout and measurement
  • Screw thread overlay charts for thread inspection
  • Available in 10X, 20X, and 50X magnifications

Trusted Suburban Tool quality for shop-floor and lab-grade optical comparator inspection.

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