Spur Gears | McMaster-Carr

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729 Products

About Gears

Metal Gears and Gear Racks—20° Pressure Angle

The current industry standard, these 20° pressure angle gears have thicker, stronger teeth than 14½° pressure angle gears. They're also known as spur gears.

Metal Gears and Gear Racks—
14 1/2° Pressure Angle

A former industry standard, 14½° pressure angle gears are often found on older machinery.

Plastic Gears and Gear Racks—20° Pressure Angle

The current industry standard, gears with a 20° pressure angle have thicker, stronger teeth than gears with a 14½° pressure angle.

Plastic Gears and Gear
Racks—14 1/2° Pressure Angle

A former industry standard, 14½° pressure angle gears are often found on older machinery.

Gear Rod Stock

Machine your own gears to fit the exact face width and shaft diameter required.

About Gears

Gears and Gear Racks

Metal Gears and Gear Racks—20° Pressure Angle

Metal Gears and Gear Racks—14 1/2° Pressure Angle

Plastic Gears and Gear Racks—20° Pressure Angle

Plastic Gears and GearRacks—14 1/2° Pressure Angle

Gear Rod Stock

Metal Gears and Gear Racks—
14 1/2° Pressure Angle

Plastic Gears and Gear
Racks—14 1/2° Pressure Angle