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Database: 365,228(8 Aug 2026)

Tapered thread

Tapered thread, Total:10 items.

The international standard classification for "Tapered thread" includes: Equipment for petroleum and natural gas industries , Dividing and tool-workpiece holding devices .

The Chinese standard classification for "Tapered thread" includes: Basic standard and general method , Measuring tool and instrument , Measuring devices .


Professional Standard - Petroleum

  • SY/T 6860-2012 Calibration method for master gauge of taper thread used in oil industry
  • SY 6860-2012 Calibration method of oil-specific taper thread calibration gauge

Professional Standard - Aerospace

  • QJ 1318.2-1987 Regular Screw Thread Gauge - Double-head Tapered Secure Thread Plug Gauge D=7~48mm
  • QJ 2759.2-1995 MJ Thread Plug Gauge - MJ Thread Plug Gauge in Double-head Tapered Locked Type

Korean Agency for Technology and Standards (KATS)

Swedish Institute for Standards

  • SS 1981:1984 Morse taper tapped shanks with driving flats on collar

Gosstandart of Russia

  • GOST 28487-1990 Tool-joint tapered thread for drill string elements. Profile. Dimensions. Tolerances
  • GOST 28487-2018 Thread shouldered connections with tool-joint thread of drill string elements. General technical requirements

Ente Nazionale Italiano di Unificazione

  • UNI EN 10226-2:2006 Pipe threads where pressure tight joints are made on the threads - Part 2: Taper external threads and taper internal threads - Dimensions, tolerances and designation

European Committee for Standardization (CEN)

  • CEN EN 10226-2-2005 Pipe threads where pressure tight joints are made on the threads — Part 2: Taper, external threads and taper internal threads — Dimensions, tolerances and designation