Keyways 300/400Pcs Carbon Steel Keyways Assortment Set Metric Half Moon Shaft Drive Fasteners Mechanical Industry Keys for Torsional Transmission in Various Fields(400pcs)

Application: The semicircular key is especially suitable for the conical shaft end connectionMaterial: Carbon steelSpecification: 300/400PcsSize: M3/M4/M5/M6Package includes: 8 sizes of half round pin combination kitDIY Supplies : MetalworkingItem Type : PinsTips:1.Due to the light and monitors effect, colors may have lightly difference.2.Please allow slightly size errors due to manual measurement. Thank you for your understanding!

• Materials:These keyways are made from heat-treated materials with excellent tensile strength and wear resistance, making them ideal for transmitting high torque in industrial machinery, automotive drivelines and power transmission systems. The hardened surface prevents deformation under extreme loads, ensuring long-term reliability in harsh environments
• Versatile:These keyways are standardized in shape and size to fit seamlessly with a wide variety of shafts, gears, pulleys and couplings in most sizes available on the market. They are precision machined to match the dimensions of the keyway seat so there are no fit problems in new assemblies or replacement projects
• High-precision:advanced machining techniques ensure tight tolerances (±0.001" width/height) and smooth edges for a tight, backlash-free fit between shafts and hubs. This precision extends equipment life by minimizing vibration, reducing noise and preventing premature wear of connected parts
• Installation:These keyways are designed for plug-and-play installation without the need for special tools; simply align the keyway and secure with set screws (where applicable) to transmit torque
• Applications: ideal for manufacturing machinery, agricultural equipment, marine propulsion systems and automotive transmissions. Whether holding gears, sprockets or couplings, these keyways provide a cost-effective solution for any application requiring reliable power transfer between rotating parts