Thread type: US 60° UNC Blades: 22 Measuring range: 4 - 64 Gang / t.p.i. Graduation: 4/4.5/5/6/7/8/9/10/11/12/13 14/16/18/20/22/24/32/40/48/56/64 for internal and external measurements of threads ; fine cutted threads made in germany
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