90 degree Curved 5-Step Block

For thickness and linearity calibration of curved surfaces.Inch This 90° Curved 5-Step block is machined from solid 2 diameter bar with step thicknesses of 0.100, 0.200, 0.300, 0.400 and 0.500. ID radius is a constant 0.50 / 1.00 diameter. In accordance with PH Tool Drawing No. 10177.Block Curvature: • 0.500” step is a 1.0” radius • 0.400” step is a 0.9” radius • 0.300” step is a 0.8” radius • 0.200” step is a 0.7” radius • 0.100” step is a 0.6” radiusStep face is 1.000 x 90° arc. Fitted wooden storage case optional...see above. Metric This 90° Curved 5-Step Block, Metric is machined from solid 50.8 mm diameter bar with step thicknesses of 2.5, 5.0, 7.5, 10.0, and 12.5 mm. ID radius is a constant 12.7mm / 25.4mm diameter. In accordance with PH Tool Drawing No. 10177.Block Curvature: • 12.5mm step is a 25.2mm radius • 10.0mm step is a 22.7mm radius • 7.5mm step is a 20.2mm radius • 5.0mm step is a 17.7mm radius • 2.5mm step is a 15.2mm radiusStep face is 25mm x 90° arc. Fitted wooden storage case optional...see above.