Our Products
Fastener Type Chart
Welcome to AmeriFast Supply, Inc., your go-to industrial supplier for all your sourcing needs. With locations in North Carolina, Texas, and Michigan, we are a full line industrial supplier offering a wide range of products and services. Whether you need supplies for industrial construction, automotive production lines, MRO, general hardware, or office supply systems, we’ve got you covered. From the front office to the production floor, AmeriFast Supply of NC is here to provide exceptional service and top-quality products, parts vending machines, and kitting service. Discover why we are the “One-Stop-Shop” service supplier for ALL of our customers. AmeriFast Supply Keeps You Moving!
Fasteners
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
Self Drilling SMS
| A Sheet metal screw with a self drilling point. |
Sheet Metal Screws
Fully threaded screws with a point for use in sheet metal.
Abbreviated SMS
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
Flange Bolts
| Flange bolts have a flange on the bottom of the head that distributes the load like a washer. |
Socket Screws
Socket screws, also known as Allen head, are fastened with a hex Allen wrench
Eye Bolts
A bolt with a circular ring on the head end. Used for attaching rope or chain
Eye Lags
Bolts with a smooth rounded head that has a small square section underneath.
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
A bolt with a circular ring on the head end. Used for attaching rope or chain
Sex Bolts
Bolts with a smooth rounded head that has a small square section underneath.
Mating Screws
Bolts in U-shape for attaching to pipe or other round surfaces. Also available with a square bend.
Hanger Bolts
| J-shaped bolts are used for tie-downs or as an open eye bolt. |
Set Screws
Shoulder bolts (also known as stripper bolts) are used to create a pivot point.
Head Styles
Flat
A bolt with a circular ring on the head end. Used for attaching rope or chain
Oval
Bolts with a smooth rounded head that has a small square section underneath.
Pan
Bolts in U-shape for attaching to pipe or other round surfaces. Also available with a square bend.
Truss
| J-shaped bolts are used for tie-downs or as an open eye bolt. |
Round
Shoulder bolts (also known as stripper bolts) are used to create a pivot point.
Hex
A hexagonal Head.
Abbreviated HH or HX
Hex Washer
Bolts with a smooth rounded head that has a small square section underneath.
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.
Drive Types
Phillips
The standard drive type for most screws. Abbreviated PH
Frearson
Similar to Phillips. Requires a Frearson driver for installation.
Slotted
A slot in the head. Abbreviated SL
Combination
A combination of slotted and Phillips drives. Abbreviated Combo
Socket/Hex/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.
Star
Also known as Torx®. A six-pointed star pattern, specifically designed to prevent cam-out and stripped heads.
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
A hexagonal hole for use with an Allen wrench.
Cap
A nut with a domed top over the end of the fastener.
Acorn
Acorn nuts are a high crown type of cap nut, used for appearance.
Flange
A nut with a built in washer like flange.
Tee
A nut designed to be driven into wood to create a threaded hole.
Square
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 Reversable Lock
A lock nut that can be installed either side up. Often used in high temperature applications.
Coupling
Coupling nuts are long nuts used to connect pieces of threaded rod or other male threaded fasteners.
Slotted
Slotted nuts are used in conjunction with a cotter pin on drilled shank fasteners to prevent loosening.
Castle
Castle nuts are similar to slotted nuts but with the slots in a rounded section above the main nut.
Washers
Flat
A flat washer used to
distribute load. Available in SAE, USS, and other patterns.
Fender
An oversize flat washer used to further distribute load especially on soft materials.
Finishing
A washer used to obtain a ‘finished’ look. Usually used with oval head screws.
Split Lock
The most common style of washer used to prevent nuts and bolts from backing out.
External Teeth Lock
A washer with external ‘teeth’ Used to prevent nuts and bolts from backing out.
Internal Teeth Lock
A washer with internal ‘teeth’ Used to prevent nuts and bolts from backing out.
Square
A square shaped washer
Dock
Dock washers have a larger outside diameter and are thicker than standard.
Ogee
Thick, large diameter, cast iron washers with a curved or sculpted appearance. Typically used in dock and wood construction
Sealing
A neoprene washer bonded to a metal backing. Used to seal out air/water or dampen noise and vibration.
Sizing Charts for Fasteners
Call
(704) 660-9790
Address
135 Bevan Dr Mooresville, NC 28115
sales@amerifastsupply.com