UNI EN ISO 10424-2 : 2009

Foreword
Introduction
1 Scope
2 Conformance - Units of measurement
3 Normative references
4 Terms, abbreviated terms, definitions and symbols
   4.1 Terms and definitions
   4.2 Design types and definitions
   4.3 Abbreviations and symbols
5 Information to be supplied by purchaser
6 Threading
   6.1 Thread profile and dimensions
   6.2 Bevels for drill collars and tools that
        mate directly with drill collars
   6.3 Low-torque feature
7 Product optional features
   7.1 General
   7.2 Stress-relief features
   7.3 Benchmarks
   7.4 Surface treatment
   7.5 Cold working
   7.6 Break-in
8 Product gauging
   8.1 Gauging
   8.2 Stand-off measurement
   8.3 Gauge contact points
   8.4 Lead measurement
   8.5 Taper measurement
   8.6 Thread height measurement and gauges
9 Gauge relationships for rotary shouldered connections
   9.1 Gauge relationship
   9.2 Gauge specifications
10 Gauge calibration
   10.1 Calibration system
   10.2 Acceptance criteria
   10.3 Gauge measurement methods
   10.4 Gauge certification
Annex A (informative) - Tables in USC units
Annex B (informative) - Care and use of regional
        master gauges
Annex C (normative) - Shipment of reference master
        gauges
Annex D (normative) - Care and use of working gauges
Annex E (informative) - API gauge certification
        requirements
Annex F (informative) - Other rotary shouldered
        connections
Annex G (informative) - USC units conversion table
Annex H (informative) - Recommended practice for
        gauging new rotary shouldered connections
Annex I (informative) - Calculations
Annex J (informative) - API grand and regional master
        rotary connection gauges

Describes requirements on rotary shouldered connections for use in petroleum and natural gas industries, including dimensional requirements on threads and thread gauges, stipulations on gauging practice, gauge specifications, as well as instruments and methods for inspection of thread connections.