Bayou City Bolt & Supply Co., Inc. Datasheets for Screws

A screw is a wide-encompassing type of hardware fastener that attributes its mechanical capabilities to the helical groove that extends around the circumference of the device's shank. These threads provide the friction and traction that serves a screw's purpose: to assemble or position two workpieces in relation to each other. While used synonymously, screws and bolts are not mechanical clones.

Screws: Learn more

Product Name	Notes
Bolt Head/ Wrench Cap Screws -- Inch Size Bolt Head/ Wrench Cap Screws -- Metric Size Cap Screws -- Inch Size Cap Screws -- Metric Size Hex Head Cap Screws -- Inch Size Hex Head Cap Screws -- Metric Size Tap and Drill Bit Screw -- Inch Size Tap and Drill Bit Screw -- Metric Size	US INCH STANDARDS & METRICS Hex Cap Screws have hexagonal heads and machine threads for use with a nut or in a tapped hole. They are generally used in precise...
Button Head Socket Cap Screw -- Inch Series Button Head Socket Cap Screw -- Metric Series Flat Head Socket Cap Screw -- Inch Series Flat Head Socket Cap Screw -- Metric Series High Strength Socket Head Cap Screws -- Inch Series High Strength Socket Head Cap Screws -- Metric Series Socket Head Cap Screws -- Inch Series Socket Head Cap Screws -- Metric Series Socket Head Shoulder Screw -- Inch Series Socket Head Shoulder Screw -- Metric Series Socket Low Head Cap Screws Socket Set Screws -- Inch Series Socket Set Screws -- Metric Series	A type of bolt with a recess inside the bolt's head. Socket head cap screws require assembly with a hex key (Allen Key) or a hex bit driven by an...
Lag Screws	Lag screws, also sometimes called lag bolts, are basically "large wood screws". A typical lag bolt can range in diameters from 1/4" to 1 1/4", and lengths from 1/4" to...
Tapping Screws -- Types BF and BT Tapping Screws -- Types D ,F, G, and T	Tapping Screws, also known as Sheet Metal Screws have the ability to "tap" their own internal thread when driven into metallic and non-metallic materials. These sharp threads cut into a...
Machine Screws -- Inch Series Machine Screws -- Metric Series	The term Machine Screw typically refers to small diameter, general purpose screws. Machine Screw diameters range from #0 (1/64") up to #14 (1/4"). Machine screws are threaded to be used...
Thread Forming Screws	Thread forming screws, or Thread Cutters, were designed to extend Tapping Screws to thicker and/or harder materials. Thread Cutters have cutting flutes or edges at their point so that the...
U-Bolts -- Inch Series	U-Bolts are U-shaped bolts with two threaded arms protruding from a curved base. Round U-Bolts are typically used for attaching pipe or steel round bar to wood or steel post.
Wood Screws	Wood Screws are formed in a similar manner to tapping screws. However, the thread length is approximately two-thirds the nominal length of the screw. The unthreaded portion of the shank...

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