The Sonic 8183704 Bit Socket is a 1/4 in drive tool with a spline M4 interface designed to engage M4 fasteners. It is intended for use with compatible 1/4 in drive ratchets and bits, providing a secure fit and reliable torque transfer in industrial applications. Use this socket when you need a precise spline profile for M4-size fasteners in tight or hard-to-reach assemblies.
