MACHINE SCREWS

Wholesale Machine Screws

Machine Screws are used with a nut or tapped hole in a variety of applications. We stock all standard styles and head types in a variety of materials and finishes, including steel, steel zinc, stainless and brass.

Machine Screws are packaged in bulk and priced at wholesale. Parts are manufactured/tested to ISO, ANSI, ASTM or DIN standards and stocked as inch or metric sizes.

PAN HEAD MACHINE SCREWS

PAN HEAD MACHINE SCREWS

Pan Heads have a rounded top, cylindrical sides, and a flat bearing surface.
ROUND HEAD MACHINE SCREWS

ROUND HEAD MACHINE SCREWS

Round Heads have semi-elliptical top surface and flat bearing surface. Typically used when a decorative appearance is preferred.
TRUSS HEAD MACHINE SCREWS

TRUSS HEAD MACHINE SCREWS

Truss Heads are low rounded with a flat bearing surface. The increased head width of Truss Head provides extra bearing surface to better distribute pressure.
FILLISTER HEAD MACHINE SCREWS

FILLISTER HEAD MACHINE SCREWS

Fillister Heads are slightly rounded with high-profile, cylindrical sides and a flat bearing surface. The additional head height creates a deeper drive depth, allowing for more torque if needed.
OVAL HEAD MACHINE SCREWS

OVAL HEAD MACHINE SCREWS

Oval Heads have a domed top surface and an 82° countersunk, conical bearing surface. The head sits above the surface of the application for a decorative appearance.
BINDER UNDERCUT HEAD MACHINE SCREWS

BINDER UNDERCUT HEAD MACHINE SCREWS

Binder Undercut Heads are rounded on the top and slightly tapered on the sides. Bearing surface is undercut and drive is slotted.
INDENTED HEX HEAD MACHINE SCREWS

INDENTED HEX HEAD MACHINE SCREWS

Indented Hex Heads have six flat sides and an indent in the top of the head. Bearing surface is flat.
INDENTED HEX WASHER HEAD MACHINE SCREWS

INDENTED HEX WASHER HEAD MACHINE SCREWS

Indented Hex Washer Heads have six flat sides and an indent in the top of the head. Bearing surface is increased with an integral washer face, which helps to distribute pressure.
THUMB MACHINE SCREWS

THUMB MACHINE SCREWS

Thumb screws can be turned by hand and do not require tools because their flattened sides offer a secure grip. Stocked in both Type A (with shoulder) and Type B (without shoulder).
CHEESE HEAD MACHINE SCREWS

CHEESE HEAD MACHINE SCREWS

Cheese Heads have a higher profile than a Pan Head but a narrower head diameter than a Fillister Head, allowing the screw to fit into tighter spaces without losing torque.
FLAT HEAD MACHINE SCREWS

FLAT HEAD MACHINE SCREWS

Flat Heads have a flat top surface and an 82° or 100° countersunk bearing surface. The flat surface sits flush with the surface of the application. Undercut is also available.
BUTTON HEAD SECURITY MACHINE SCREWS

BUTTON HEAD SECURITY MACHINE SCREWS

Button Head Security screws have a low-rounded head with a pin in the middle that requires a special tool to install and remove, making tampering more difficult.
HEX HEAD MACHINE SCREWS

HEX HEAD MACHINE SCREWS

Hex Heads may be flat or indented with a flat, non-flange bearing surface. Six flat sides.
HEX FLANGE HEAD MACHINE SCREWS

HEX FLANGE HEAD MACHINE SCREWS

Hex Flange Heads have a flanged bearing surface to help eliminate the need for a washer. Bearing surface is flat and stocked both with and without serrations.