Gauge Blocks / Gauges Thread plug gauge Design:- for non self-sealing threaded connections, like 387500 G G. WhitworthDINpipe thread55° - only one-sided with either go or no-go end Cylindrical 228pipe thread - tolerance class medium Calibration costs see Inspection Equipment Monitoring from page 39/784. Please add KAL (for "Calibration") to the size indication. Example: 387560 G1.1/4-KAL. 387560 JBO, cylindrical pipe thread, go 387580 JBO, cylindrical pipe thread, no-go for threads 387560 387580 G1.1/4   G1.1/2   G1.3/4   G2   Thread ring gauge Design:- for non-self-sealing threaded connections G G. WhitworthDINpipe thread55° - made of gauge steel, hardened, tempered and fine ground Cylindrical 228pipe thread Tolerance class A. Calibration costs see Inspection Equipment Monitoring from page 39/784. 38 Please add KAL (for "Calibration") to the size indication. Example: 387600 M10 × 8-KAL. 387600 JBO, cylindrical pipe thread, go 387620 JBO, cylindrical pipe thread, no-go for threads 387600 387620 for threads 387600 387620 for threads 387600 387620 G1/8   G3/4   G1.1/2   G1/4   G7/8   G1.3/4   G3/8   G1   G2   G1/2   G1.1/8   — — — G5/8   G1.1/4   — — — ISO tolerance indicator Thread indicator Design: Design: Dust-proof plastic housing. Dust- and dirt-proof plastic housing. Use-: Use: - direct reading of all tolerance values to ISO recommendation R 286 - 1962 - indicates the determination of threads, the range and the relevant data - the indicator comprises a complete list of all ISO tolerances in use at home - for core hole diameters and abroad up to nominal size 500 mm = more than 6400 pairs of tolerance values 388100 Tolerator 388200 Filetor Type 388100 Type 388200 TOLERATOR  FILETOR  www.precitool.de 38/745