36 Bisset Road, Hughes X7, Jet Park, Boksburg

CATEGORY Information

Fastener Categories

Wood Screws

Screws with a smooth shank and tapered point for use in wood. Abbreviated WS

Machine Screws

Screws with threads for use with a nut or tapped hole. Abbreviated MS

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. Abbreviated SMS

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. Abbreviated HHMB or HXBT

Carriage Bolts

Bolts with a smooth rounded head that has a small square section underneath.

Lag Bolts

Bolts with a wood thread and pointed tip. Abbreviated Lag

Socket Screws

Socket screws, also known as Allen head are fastened with a hex Allen wrench.

Set Screws

Machine screws with no head for screwing all the way into threaded holes.

Eye Bolts

A bolt with a circular ring on the head end. Used for attaching rope or chain.

Eye Lags

Similar to an eye bolt but with wood threads instead of machine thread.

U-Bolts

Bolts in U shape for attaching to pipe or other round surfaces. Also available with a square bend.

J-Bolts

J shaped bolts are used for tie-downs or as an open eye bolt.

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.

Hanger Bolts

Hanger bolts have wood thread on one end and machine thread on the other end.

Ancor Bolts

We stock a wide range of ancors and rawlbolts

Fastener Head Styles

Flat

A countersunk head with a flat top. Abbreviated FH

Oval

A countersunk head with a rounded top. Abbreviated OH or OV

Pan

A slightly rounded head with short vertical sides. Abbreviated PN

Truss

An extra wide head with a rounded top.

Round

A domed head. Abbreviated RH

Hex

A hexagonal Head. Abbreviated HH or HX

Hex Washer

A hex head with built in washer.

Slotted Hex Washer

A hex head with built in washer and a slot.

Socket Cap

A small cylindrical head using a socket drive.

Button

A low profile rounded head using a socket drive.

Fastener Drive Types

Phillips and Pozi

An X shaped drive. Abbreviated PH

Slotted

A slot in the head. Abbreviated SL

Combination

A combination of slotted and Phillips drives. Abbreviated Combo

Socket, Hex or Allen

A hexagonal hole for use with an Allen wrench.

One Way

Installs with a normal slotted driver but can not be removed without special tools.

Square

Also known as Robertson drive. Abbreviated SQ or SD.

Torx

A six-pointed star pattern, specifically designed to prevent cam-out and stripped heads.

Fastener Nut Types

Hex

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

Jam

A hex nut with a reduced height.

Nylon Insert Jam Lock

A nylock nut with a reduced height.

Wing Nut

A nut with ‘wings’ for hand tightening.

Cap Nut

A nut with a domed top over the end of the fastener.

Acorn Nut

Acorn nuts are a high crown type of cap nut, used for appearance.

Flange Nut

A nut with a built in washer like flange.

Tee Nut

A nut designed to be driven into wood to create a threaded hole.

Square Nut

A four sided nut.

Prevailing torque lock Nut

A non-reversible lock nut used for high temperature applications

K-Lock or Kep Nut

A nut with an attached free-spinning external tooth lockwasher.

Coupling

Coupling nuts are long nuts used to connect pieces of threaded rod or other male threaded fasteners.

Slotted Nut

Slotted nuts are used in conjunction with a cotter pin on drilled shank fasteners to prevent loosening.

Castle Nut

Castle nuts are similar to slotted nuts but with the slots in a rounded section above the main nut.

Fastener Washer Types

Flat Washer

A flat washer used to distribute load. Available in SAE, USS, and other patterns.

Fender Washer

An oversize flat washer used to further distribute load especially on soft materials.

Finishing Washer

A washer used to obtain a ‘finished’ look. Usually used with oval head screws.

Split Lock Washer

The most common style of washer used to prevent nuts and bolts from backing out.

External Tooth Lock Washer

A washer with external ‘teeth’ Used to prevent nuts and bolts from backing out.

Internal Tooth Lock Washer

A washer with internal ‘teeth’ Used to prevent nuts and bolts from backing out.

Square Washer

A square shaped washer.

Dock Washer

Dock washers have a larger outside diameter and are thicker than standard.

Ogee Washer

Thick, large diameter, cast iron washers with a curved or sculpted appearance. Typically used in dock and wood construction

Sealing Washer

A neoprene washer bonded to a metal backing. Used to seal out air/water or dampen noise and vibration.