Groz ZVBBB112 ball bearing vee block and clamp set

Groz ZVBBB112 ball bearing vee block and clamp set
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Ref: ZVBBB112 / Ball bearing vee block and clamp set

High precision ball bearing vee blocks are used to inspect and detect out of round conditions, defects and lobes without damage to both the parts being checked and the vee block itself. Ideal for use where inspection set-ups are not otherwise possible using regular vee blocks. Design allows inspection of components from two angles by turning the spacer block 90°.


  • Vee Block bases are made from cast iron and use hardened 60HRC wear resistant balls with sphericity controlled to within 0.00005" (1.27 microns). Balls are finished to 0.2 micro inches.
  • Supplied in matched pairs, complete with two clamps and one test ball
  • Matched pairs are controlled to within ±0.0002" (±0.005mm)


Minimum capacity without clamps 3/16" / 4.76mm
Maximum capacity without clamps 15" / 381mm
Diameter of balls 11/2"
Clamping capacity 900kg / 2000lbs