Cylindrical Square
TTC Cylindrical Square - Model: 605-5003

Cylindrical Square

Item #: 57-020-263
Brand: TTC
Model #: CSQ-3
Length: 6"
Shaft Diameter: 3"

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Supplied in fitted case


  • Use in surface plates as 90° reference angle.
  • Used for checking squares, height gages and many instruments.


  • The squares are hardened and the ends are lapped to 90° angular accuracy with the cylinders as follows: 6" square to ±.0002" and 12" square to ±.0003"
TTC CSQ-3 3" x 6" Cylindrical Square
Product Specifications
Brand TTC
Model # CSQ-3
Length 6"
Shaft Diameter 3"
Base Diameter 3"
Accuracy ±.0002"
Case Type_Material Fitted case
Finish Coating Hardened and Lapped
Height 6"
Prop. 65 Yes
Size 6" x 3"
Type Non-Magnetic
Weight 15 Ibs.
Country of Origin GENERIC/MIXED BIN
Prop 65 Warning Many metalworking products do contain metals that are included in the latest Prop 65 warning. Exposure to the elements can be harmful. May cause cancer and reproductive harm.