BS 4174:1972

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Books

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BSI

Specification for self-tapping screws and metallic drive screws|Heads (fasteners), Length, Drive screws, Countersunk fasteners, Oval-head fasteners, Hexagonal-head fasteners, Slotted-head fasteners, Self-tapping screws, Dimensions, Pan-head fasteners, Mechanical testing, Round-head fasteners, Radius, Diameter, Threads, Screws (bolts), Points (fasteners), Recessed-head fasteners

260 GBP