The Sirius Socket Set Grub Screw in M16 x 40mm is a precision-engineered A2 304 stainless steel headless fastener. The M16 x 40mm size is designed for heavy industrial shaft-locking applications where a large-diameter fastener is required to secure substantial mechanical components. The internal hex socket drive provides high-torque tightening capability and the headless design ensures a flush, compact installation. Features and Benefits: • A2 304 stainless steel construction • Excellent corrosion and rust resistance • Headless flush or recessed installation • Internal hex socket drive • Precision metric threads • Sold individually Specifications: Size: M16 Length: 40mm Qty: Pack of 1 Material: A2 304 Stainless Steel Contents: Pack of 1