Machine Key, Undersized, Square End Type, Steel, Plain Finish, 2 In Length, 5/16 In Square

This is an undersized, square end type machine key made of steel with a plain finish, 2 inches in length and 5/16 inch square. Its Rockwell Hardness of B85 and Tensile Strength of 64000 PSI indicate its material strength. It is used to secure rotating components to shafts, preventing relative movement.

Specifications

Length	2 in
Length Tolerance	-0.030 in
Rockwell Hardness	B85
Square	5/16 in
Tensile Strength	64000 PSI
Thickness Tolerance	-0.002 in

About keys & keystock

Machine Key, Undersized, Square End Type, Steel, Plain Finish, 2 In Length, 5/16 In Square is listed under Keys & Keystock — square, rectangular, woodruff keys and keystock bar. Keys and keystock are essential mechanical components used to prevent relative rotation between a shaft and a rotating machine element such as a gear, pulley, or coupling. They transmit torque by fitting into keyways machined into both the shaft and the hub.

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