Square Keys | McMaster-Carr
Cut a custom length to transfer torque from shafts to components such as gears and sprockets. Choose from our selection of square keys, including machine keys, machine key stock, and …
Buy Square Machine Keys Online at Wholesale Prices
Square Machine Keys are designed for precise joining of rotating shafts and other parts, allowing for smooth and reliable operation. Our keys are crafted from high-grade metal and are tested …
Machine Key (square and Rectangular) | FCH Sourcing Network
Dec 29, 2025 · Machine Keys, or Parallel keys are made from hardened rod with a machined square or rectangular cross section, and are the most common type of key. They are installed …
Machine Keys - Fasteners | MISUMI
Several types of machine keys are available. Parallel keys have the simplest structure. There are also specially shaped varieties such as taper keys and Woodruff keys. Machine keys come in …
Hillman 3/16 in. x 1 in. Steel Square Keys - Tractor Supply Co.
These Hillman 3/16 in. x 1 in. Steel Square Keys are small bars of any length with similar height and width. They are inserted between a shaft and a hub to prevent relative rotation.
Machine Keystock
Machine Keystock Express manufactures machine keys of the highest quality that meet ISO 9001 certifications. Our machine keys are manufactured with SS304 stainless steel and SC45 …
Machine Keys | JLCMC Fasteners & Mechanical Parts
Shop precision machine keys supplied and manufactured by JLCMC, including round, square, and parallel keys. No MOQ, fast delivery, online support, and free CAD downloads.