Are you tired of struggling with fasteners and feeling overwhelmed by the various types and sizes available? Look no further! Our comprehensive Fastener Information PDF is here to equip you with all the knowledge you need to master the world of bolts, screws, and nuts. Whether you’re a DIY enthusiast or a professional tradesperson, this in-depth guide will be your go-to resource for understanding fasteners and their applications.
Calling all DIY enthusiasts and aspiring handypersons! Get ready to fasten your learning journey with our exclusive Fastener Information PDF. Say goodbye to confusion and hello to expertise as you dive into the fascinating world of nuts, bolts, and screws. Whether you’re a beginner or a seasoned pro, this downloadable guide will empower you with the confidence and know-how needed to tackle any project. Be the master of every fastening task – download now and unlock the secret behind a solid grip!
Screws with a smooth shank and tapered point for use in wood.
Screws with threads for use with a nut or tapped hole.
|Thread Cutting Machine Screws
Machine screws with a thread cutting (self tapping) point.
|Sheet Metal Screws
Fully threaded screws with a point for use in sheet metal.
|Self Drilling SMS
A Sheet metal screw with a self drilling point.
Bolts with a hexagonal head with threads for use with a nut or tapped hole.
Abbreviated HHMB or HXBT
Bolts with a smooth rounded head that has a small square section underneath.
Bolts with a wood thread
and pointed tip.
Flange bolts have a flange on the bottom of the head that distributes the load like a washer.
Socket screws, also known as Allen head, are fastened with a hex Allen wrench.
A bolt with a circular ring on the head end. Used for attaching rope or chain.
Similar to an eye bolt but with wood threads instead of machine thread.
Bolts in U shape for attaching to pipe or other round surfaces. Also available with a square bend.
J shaped bolts are used for tie-downs or as an open eye bolt.
Shoulder bolts (also known as stripper bolts) are used to create a pivot point.
Elevator bolts are often used in conveyor systems. They have a large, flat head.
Sex bolts (a.k.a. barrel nuts or Chicago bolts) have a female thread and are used for through bolting applications where a head is desired on both sides of the joint.
Mating screws have a shoulder that matches the diameter of the sex bolts they are used with.
Hanger bolts have wood thread on one end and machine thread on the other end.
Machine screws with no head for screwing all the way into threaded holes.
A countersunk head with a flat top.
A countersunk head with a rounded top.
Abbreviated OH or OV
A slightly rounded head with short vertical sides.
An extra wide head with a rounded top.
A domed head.
A hexagonal Head.
Abbreviated HH or HX
A hex head with built
|Slotted Hex Washer
A hex head with built in washer and a slot.
A small cylindrical head using a socket drive.
A low profile rounded head using a socket drive.
The standard drive type for most screws.
Similar to Phillips. Requires a Frearson driver for installation.
A slot in the head.
A combination of slotted and Phillips drives.
|Socket, Hex or Allen
A hexagonal hole for use with an Allen wrench.
Installs with a normal slotted driver but can not be removed without special tools.
Also known as Robertson drive.
Abbreviated SQ or SD.
Also known as Torx®. A six-pointed star pattern, specifically designed to prevent cam-out and stripped heads.
A six sided nut. Also referred to as a finished hex nut.
|Nylon Insert Lock
A nut with a nylon insert
to prevent backing off.
Also referred to as a Nylock
A hex nut with a reduced height.
|Nylon Insert Jam Lock
A nylock nut with a reduced height.
A nut with ‘wings’ for hand tightening.
A nut with a domed top over the end of the fastener.
Acorn nuts are a high crown type of cap nut, used for appearance.
A nut with a built in washer like flange.
A nut designed to be driven into wood to create a threaded hole.
A four sided nut.
|Prevailing torque lock
A non-reversible lock nut used for high temperature applications
|K-Lock or Kep
A nut with an attached free-spinning external tooth lockwasher.
|2-Way Reversible Lock
A lock nut that can be installed either side up. Often used in high temperature applications.
Coupling nuts are long nuts used to connect pieces of threaded rod or other male threaded fasteners.
Slotted nuts are used in conjunction with a cotter pin on drilled shank fasteners to prevent loosening.
Castle nuts are similar to slotted nuts but with the slots in a rounded section above the main nut.
A flat washer used to
distribute load. Available in SAE, USS, and other patterns.
An oversize flat washer used to further distribute load especially on soft materials.
A washer used to obtain a ‘finished’ look. Usually used with oval head screws.
The most common style of washer used to prevent nuts and bolts from backing out.
|External Tooth Lock
A washer with external ‘teeth’ Used to prevent nuts and bolts from backing out.
|Internal Tooth Lock
A washer with internal ‘teeth’ Used to prevent nuts and bolts from backing out.
A square shaped washer.
Dock washers have a larger outside diameter and are thicker than standard.
Thick, large diameter, cast iron washers with a curved or sculpted appearance. Typically used in dock and wood construction
A neoprene washer bonded to a metal backing. Used to seal out air/water or dampen noise and vibration.