122-126
For the measurement of narrow grooves in forming tools, shaft diameters, keyways, splines, etc. The spindle is non-rotating, the anvils hardened and precision lapped. Made of forged steel the frame is fitted with heat plates. The sleeve and thimble are satin finished.Blade thickness: 0.030" (0.75mm). Measuring depth: 0.25" (6.5mm).Parallelism: 0.00012"/3m up to 2"/50mm. (3+L/100)mm, (0.00012+0.00004L/4)" for models over 2"/50mm.Graduation: 0.0001" (0.01mm).Blade dimensions: a: 0.256" (6.5mm). b: 0.236" (6mm). c: 0.030" (0.75mm).Accuracy: 3mm for up to 75mm. 4mm for 75 - 100mm.Inch
