Transcription of S- T SCS SELF-DRILLING Type-CSD - Screws-Nuts …
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S- T SCS SELF-DRILLING Type-CSD - Screws-Nuts …
48 self - TAPPING SCREWSSELF-DRILLINGSelf- drilling ScrewS, Type BSD (SpaceD ThreaD)*SAE J78-2013 Nominal Size or Basic Screw DiameterThreads Per InchTtPMinimum Practical Nominal Screw Lengths, Formed PointsMinimum Tor-sional Strength, in. (STEEL SCREWS ONLY)Major DiameterMinor DiameterProtrusion AllowanceMaxMinMaxMin#2 Pt.#3 Head, #2 PtCsk Head, #2 Pt90 Head, #3 PtCsk Head, #3 Pt2*. *. BSD: A tapping screw with spaced threads and a drill point which drills its own CSD: A thread forming screw with machine screw thread pitch and a drill point which drills its own types allow the screw to form mating threads and produce a complete fastening system in a single AdvantagesType BSD: May be used to attach plywood, soft woods or composition board to metal, or attach metal to CSD: The finer thread pitch reduces friction and driving torques.
: A wafer head thread forming screw with machine screw thread pitch and a drill point which drills its own hole. Both types allow the screw to form mating threads and produce a complete fastening system in a single operation.
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