3/4in Dr. 40mm Impact Socket

Genius Tools Impact Socket 40mm Size 3/4 Inch Drive Chrome Molybdenum Durable Heavy-Duty - 645240 Professional Impact Socket This 3/4in drive 40mm impact socket is built for high-torque fastening and removal where strength and durability matter. It is made from Chromium Molybdenum Alloy Steel and finished with a matte black oxide coating to help resist corrosion and wear in demanding shop conditions. With a 58mm (2.28in) overall length, it balances access and control while remaining easy to handle. Permanently stamped size markings support quick identification during tool organization and day-to-day service work. Key Benefits 3/4in drive, 40mm impact socket designed for high-torque applications. Chromium Molybdenum alloy steel construction delivers strength and long-term durability. Oil-quenched heat treatment improves exterior toughness and inner core strength. Matte black oxide coating helps provide anti-corrosive protection in harsh environments. 58mm overall length supports access in tighter spaces without sacrificing control. Permanently stamped size marking speeds identification and improves tool organization. SKU: 645240. Built for professional technicians, this impact socket is engineered for repeated heavy use with materials and heat treatment chosen for strength. Clear size identification and ANSI-aligned performance expectations help keep your workflow consistent when torque demands are high.