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Committee

Committee:

CTN 17 - Fasteners

Secretary:
ASEFI - ASOCIACIÓN DE FABRICANTES DE ELEMENTOS DE FIJACIÓN METÁLICOS
Field of Activity:
Standardization of: - Dimensions, tolerances, mechanical and operational properties, test methods and acceptance procedures of metallic fasteners, considering a fastener as any kind of product intended to mechanically join two or more structural items to perform a fixed or mobile joint or to essentially contribute to perform it, as screws, bolts, studs, nuts, washers, nails, pins and rivets; - Series of interchangeable threads, including tolerances and verification, in each field of application, with a minimum sort of basic profiles, pitches and diameters. Excluding: - Fasteners for aerospatial applications; - Special purpose screws, keys and fasteners specially used in rolling bearings; - Pipe threads and aerospatial threads.
International Relations:

ISO/TC 1  Screw threads

ISO/TC 2  Fasteners

CEN/TC 185  Fasteners

Standards developed by the committee: CTN 17: 507

UNE 17021:1958

Status: VIGENTE1958-10-15

HAMMER HEAD SCREW.

UNE 17017:1957

Status: VIGENTE1957-07-15

CUT THREADED SCREWS SNUK AND SNAP HEAD SCREWS.

UNE 17010:1957

Status: VIGENTE1957-07-15

CUT THREADED SNAP HEAD SCREWS.

UNE 17011:1957

Status: VIGENTE1957-07-15

CUT THREADED CHEESE HEAD SCREWS.

UNE 17020:1957

Status: VIGENTE1957-07-15

CUT THREADED SCREWS. HOLE DIAMETER.

UNE 17708:2002

Status: ANULADA2025-06-05

ISO general purpose metric screw threads. Tolerances. Limits of sizes for general purpose external and internal screw threads. Medium quality.

UNE-EN 27436:1993

Status: ANULADA2025-01-15

Slotted set screws with cup point (ISO 7436:1983)

UNE-EN 27434:1993

Status: ANULADA2025-01-15

Slotted set screws with cone point (ISO 7434:1983)

UNE-EN 27435:1993

Status: ANULADA2025-01-15

Slotted set screws with long dog point (ISO 7435:1983)

UNE-EN ISO 4766:2012

Status: ANULADA2025-01-15

Slotted set screws with flat point (ISO 4766:2011)

UNE-EN ISO 4034:2013

Status: ANULADA2025-01-09

Hexagon regular nuts (style 1) - Product grade C (ISO 4034:2012)

UNE-EN ISO 8674:2013

Status: ANULADA2024-04-10

Hexagon high nuts (style 2) with metric fine pitch thread - Product grades A and B (ISO 8674:2012)

UNE-EN ISO 4033:2013

Status: ANULADA2024-04-10

Hexagon high nuts (style 2) - Product grades A and B (ISO 4033:2012)

UNE-EN ISO 8675:2013

Status: ANULADA2024-04-10

Hexagon thin nuts chamfered (style 0) with metric fine pitch thread - Product grades A and B (ISO 8675:2012)

UNE-EN ISO 4035:2013

Status: ANULADA2024-04-10

Hexagon thin nuts chamfered (style 0) - Product grades A and B (ISO 4035:2012)

UNE-EN ISO 8673:2013

Status: ANULADA2024-04-10

Hexagon regular nuts (style 1) with metric fine pitch thread - Product grades A and B (ISO 8673:2012)

UNE-EN ISO 4032:2013

Status: ANULADA2024-03-20

Hexagon regular nuts (style 1) - Product grades A and B (ISO 4032:2012)

UNE-EN ISO 14581:2016

Status: ANULADA2023-09-27

Fasteners - Hexalobular socket countersunk flat head screws (ISO 14581:2013)

UNE-EN ISO 2702:2011

Status: ANULADA2023-09-27

Heat-treated steel tapping screws - Mechanical properties (ISO 2702:2011)

UNE-EN ISO 7380-1:2012

Status: ANULADA2023-09-13

Button head screws - Part 1: Hexagon socket button head screws (ISO 7380-1:2011)