Fastener Categories

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Wood Screws
Screws with a smooth shank and tapered point for use in wood.
Machine Screws
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
Hex Bolts
Bolts with a hexagonal head with threads for use with a nut or tapped hole.
Carriage Bolts
Bolts with a smooth rounded head that has a small square section underneath.
Plow Bolts
Similar to carriage bolts but used for attaching the cutting edge of a plow to the plow blade.
Socket Screws
Socket screws, also known as Allen Head, are fastened with a hex Allen wrench.
Lag Bolts
Bolts with a wood thread and pointed tip.
Eye Bolts
A bolt with a circular ring on the head end. Used for attaching a rope or chain.
Eye Lags
Similar to an eye bolt but with wood threads instead of machine thread.
J shaped bolts are used for tie-downs or as an open eye bolt.
Bolts in U shape for attaching to pipe or other round surfaces. Also available with a square bend.
Shoulder Bolts
Shoulder bolts (also known as stripper bolts) are used to create a pivot point.
Elevator Bolts
Elevator bolts are often used in conveyor systems. They have a large, flat head.
Sex Bolts
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
Mating screws have a shoulder that matches the diameter of the sex bolts they are used with.
Hanger Bolts
Hanger bolts have wood thread on one end and machine thread on the other end.
Set Screws
Machine screws with no head for screwing all the way into threaded holes.
Timber Bolts
Machine threaded fasteners with a wide domed head. The head has fins underneath that prevent the bolt from spinning during installation. Typically used in wood.
Cotter Pins
Cotter or split pins have two tines which are bent apart to hold them in place.
Used to join sheets of metal. During installation the rivet body is deformed to permanently lock in place. Blind rivets can be installed without access to the back side of the material.

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