Hex head bolt dimensions pdf
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Figure— Head details and Hex Bolt Dimensions (ANSI B) Nominal Size or Basic Diameter Click on Size to Shop Products Body Diameter (E) Width Across Flats (F) Width Across Corners (G) 1 ScopeNormative referencesFinishGeneral dimensionsLength of bolts and screwsEnds of bolts and screwsScrew threadsLength of threadNuts — ISO (E) Introduction This International Standard belongs to a complete family of product standards developed by ISO on external hexagon drive fasteners. MM:± ± MM: ± MM:± MM: ± MM:± *For nominal length over Point Flange Bolt Alloy Steel Plain = D B8M Stainless Plain =B8MD C F H J Nominal Size, Inches Flange Diameter Width Across Flats Max Min Max Min Max Min Head Height Wrench Height ¼ 5/ Hex Bolt Dimensions (ANSI B)A mechanical device of low or medium carbon steel, externally threaded, 1/4 inch in diameter or wider, with a hex head trimmed and a galvanized hot dip coating Use this chart to determine the head size, and therefore the wrench or socket size required, for any hex bolt, heavy hex bolt, lag screw or square bolt you’re using. Click here to download a printable PDF chart of this bolt head size chart Metric DIN Hexagon Head Cap Screws/Bolts are externally threaded fasteners with a hexagonal washer faced head and a chamfered tip to facilitate mating with an internally threaded component. DIN hex screws have a partially threaded shank and are manufactured to very strict tolerances Hexagon Head Bolts EN ISO (DIN) High Tensile Nominal Size and Thread diameter d Pitch of the thread (p) a Length of the thread (b) Depth of washer face (c) Transition Diameter (da) Diameter of unthreaded shank Dia. Of washer face (dw) Width across corners (e) Thickness of head (k) e Radius under head (r) Width across flats (s) oarse Tolerance On Length. Figure— Hexagon head bolt Dimensions in millimetres a) Minimum underhead fillet b) Maximum underhead fillet a Reference datum for d w. It comprises WRENCHIN G HEIGHT.