Connections for hydraulic fluid power and general use - Ports and stud ends with ISO 261 metric threads and O-ring sealing - Part 3: Dimensions, design, test methods and requirements for light-duty (L series) stud ends

Fasteners - Surface discontinuities - Part 1: Bolts, screws and studs for general requirements

Explosion protection systems - Part 1 : Determination of explosion indices of combustible dusts in air

Plastics - Determination of water absorption

Paints and varnishes - Determination of resistance to humidity - Part 2: Condensation (in-cabinet exposure with heated water reservoir)

Paints and varnishes - Rapid-deformation (impact resistance) tests - Part 1: Falling-weight test, large-area indenter

Paints and varnishes - Rapid-deformation (impact resistance) tests - Part 2: Falling-weight test, small-area indenter

Textiles - Domestic washing and drying procedures for textile testing

Calculation of load capacity of spur and helical gears - Part 5: Strength and quality of materials

Dentistry - Number coding system for rotary instruments - Part 1: General characteristics

Dentistry - Number coding system for rotary instruments - Part 2: Shapes

Dentistry - Number coding system for rotary instruments - Part 4: Specific characteristics of diamond instruments

Code for individual languages and language groups

Earth-moving machinery - Symbols for operator controls and other displays - Part 1: Common symbols

Horology - Divers watches

Steels - Micrographic determination of the apparent grain size

Implants for surgery -- Metal bone screws with asymmetrical thread and spherical under-surface -- Mechanical requirements and test methods

Rubber, vulcanized or thermoplastic - Determination of tendency to adhere to and corrode metals

Metallic materials - Brinell hardness test - Part 1: Test method

Metallic materials - Brinell hardness test - Part 2: Verification and calibration of testing machines

Metallic materials - Vickers hardness test - Part 1: Test method

Metallic materials - Vickers hardness test - Part 2: Verification and calibration of testing machines

Metallic materials - Vickers hardness test - Part 3: Calibration of reference blocks

Metallic materials - Rockwell hardness test - Part 1: Test method

Metallic materials - Rockwell hardness test - Part 2: Verification and calibration of testing machines and indenters