Machine Key, Undersized, Metric, Square End Type, Steel, Plain Finish, 25mm Length, 5mm Square

This is an undersized, metric, square end type machine key made of steel with a plain finish, 25mm in length and 5mm square. Its Rockwell Hardness of C15 and Tensile Strength of 91000 PSI indicate its material strength. It is used to secure rotating components to shafts in metric systems.

Specifications

Length	25 mm
Length Tolerance	-0.20 mm
Rockwell Hardness	C15
Square	5 mm
Tensile Strength	91000 PSI
Thickness Tolerance	+0.30 mm

About keys & keystock

Machine Key, Undersized, Metric, Square End Type, Steel, Plain Finish, 25mm Length, 5mm 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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