Acme Screw Pitch Gauge APG-29-730 TRUSCO

●Acme type trapezoidal screw pitch can be measured easily and accurately.●The thickness is 0.8mm.●For pitch measurement.●Dimension (mm):121 x 38●Set Contents:1, 1 1/3, 1 1/2, 1 3/4, 2, 2 1/2, 3, 3 1/2, 4, 5, 6, 7, 8, 9, 10, 12 (inch)●Comments:29●, 1 to 12 threads (inches)●Number of Sheets (sheets):16●Precision: 2 to 7mm (12 threads to 3 1/2) ?}0.03mm 8 to 16mm (3 threads to 1 1/3) ?}0.04mm 20mm (1 thread) ?}0.05mm●Stainless Steel (SUS430)