SPI Rectangular Gage Block Accessories

For Use with Rectangular Gage Blocks, 14 Pieces

Feature

• Expand the use of rectangular gage blocks with these accessories
• Base block- 4 x 2.75 x 1.7″, mounting surface lapped flat and parallel with base
• Points: General point used for cheking graduations, Scriber point used for locating centers.
• Cylindrical Jaws are used for inside or outside measurements and for setting instruments’ accuracy
• Flat Jaws are used for spacing blocks within limits, 0.394″H, 1.970″L, 0.0625″ reference line.

14 Pc. Set Includes:

• 4 Pairs of cylindrical jaws: 0.100, 0.200, 0.250 & 0.500″ radius
• 2 Pairs of beveled edge jaws: 4 & 6″ long
• (1) 4.175″L x 2.250″ capacity Holder
• (1) 8.5″ x 6″ capacity Holder
• Aluminium case

Reference# Accuracy 1 Height +- 0.0002″ 2 Flatness per 2″ = 0.00002″ 3 Concentricity +- 0.0004″ 4 Concentricity +- 0.0002″ 5 Radius +- 0.00003″, Pair +- 0.00004″ 6 parallelism = 0.00004″ 7 Accuracy of ref. line to measuring surface +- 0.0002″ 8 Flatness per 2″ = 0.0002″ 9 Working surfacs accurately ground and lapped