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A self-aligning nut, also known as a spherical nut [2] or leveling nut, is a type of nut used in applications where the fastener is not perpendicular to the surface to which the nut anchors. A flange nut is used inside a specially shaped dished-out washer. The device is commonly used in the aerospace industry.
The cage has two wings that when compressed allow the cage to be inserted into the square holes Clip-on nut: J-nut or U-nut, sheet metal nut, speed nut (ambiguously) Designed to be clipped to sheet metal Coupling nut: Extension nut A threaded fastener for joining two male threads, most commonly a threaded rod,[1][2] but also pipes Flange nut ...
Hexagon nuts; Style 1; Metric coarse thread, Product grades A and B; ISO 4032 modified: Withdrawn: DIN EN ISO 4032: ISO 4032: DIN 971-1: Style 1 hexagon nuts with metric fine pitch thread; property classes 6 and 8: Withdrawn: DIN EN ISO 8673: ISO 8673: DIN 971-2: Style 2 hexagon nuts with metric fine pitch thread; property classes 10 and 12 ...
A socket cap screw, also known as a socket head capscrew, socket screw, or Allen bolt, is a type of cap screw with a cylindrical head and hexagonal drive hole. The term socket head capscrew typically refers to a type of threaded fastener whose head diameter is nominally 1.5 times that of the screw shank diameter, with a head height equal to the ...
Commonly used when measuring the flat surfaces of a hex drive, such as a hex nut. AFF above finished floor A dimension that establishes a distance away from the finished floor. Example would be the top of a coffee table to the shag of the carpet, not where the bottom of the tables feet dig in. AISI: American Iron and Steel Institute
Hexagonal (generally abbreviated to "hex") head widths (width across flats, spanner size) are for DIN 934 hex nuts and hex head bolts. Other (usually smaller) sizes may occur to reduce weight or cost, including the small series flange bolts defined in ISO 4162 which typically have hexagonal head sizes corresponding to the smaller 1st choice ...
All three patterns may also be combined with a slot for a flat-blade screwdriver. Usually they are provided with a 1/4 in (0.25 inches (6.4 mm)) flanged hex head. Non-standard metricized 5.5 millimetres (0.22 in) flanged hex heads can also be encountered. Also common are pan head screws - a low disk with a chamfered outer edge.
The major diameter is given by 6p 1.2, [4]: 12 rounded to two significant figures in mm and the hex head size (across the flats) is 1.75 times the major diameter. BA sizes are specified by the following British Standards: BS 57:1951 — B.A. screws, bolts and nuts