BS 4174:1972 - Specification for self-tapping screws and metallic drive screws

BS 4174:1972

Specification for self-tapping screws and metallic drive screws

Status : Confirmed, Current, Partially replaced   Published : September 1972 Replaced By : BS EN ISO 1479:1995



Ferrous and non-ferrous. Gives general dimensions for countersunk, raised countersunk and pan head tapping screws with slotted or recessed heads, slotted mushroom heads, recessed flange heads and hexagon head tapping screws and round head metallic drive screws. Gauges for head flushness for corrosion head screws and for checking recess penetration of recessed head screws, together with testing requirements and a box with hole sizes also given.

Standard NumberBS 4174:1972
TitleSpecification for self-tapping screws and metallic drive screws
StatusConfirmed, Current, Partially replaced
Publication Date25 September 1972
Confirm Date01 March 2013
Normative References(Required to achieve compliance to this standard)No other standards are normatively referenced
Informative References(Provided for Information)No other standards are informatively referenced
Replaced ByBS EN ISO 1479:1995
Amended ByAMD 8549
Draft Superseded By70/31170 DC
DescriptorsSelf-tapping screws, Screws (bolts), Drive screws, Dimensions, Heads (fasteners), Length, Threads, Diameter, Radius, Mechanical testing, Points (fasteners), Countersunk fasteners, Pan-head fasteners, Recessed-head fasteners, Slotted-head fasteners, Oval-head fasteners, Hexagonal-head fasteners, Round-head fasteners
Title in FrenchVis auto-fileteuses et vis auto-taraudeuses metalliques
Title in GermanSelbstgewindeschneidende und metallische Schlagschrauben. Spezifikation
ISBN0 580 07337 8
File Size803.1 KB

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