Expert 3 8" Drive Hexagon Socket Bit Metric 3 8" 4mm

This 4mm hexagon socket bit with 3/8" square drive is ideal for smaller metric fasteners commonly found in precision engineering, electronics assembly, and light machinery maintenance. The compact 4mm size makes it perfect for accessing recessed bolts and working in confined spaces where larger tools cannot reach. Featuring an overall length of 48mm, this socket provides excellent balance between reach and manoeuvrability. The socket body is manufactured from hardened and tempered chrome vanadium steel, whilst the hexagonal bit is precision-crafted from sand-blasted S2 silicon steel for superior wear resistance. The chrome-plated and polished finish ensures long-lasting corrosion protection, whilst the knurled ring provides secure grip even in challenging conditions.

Features and Benefits:

• 4mm hexagonal bit size for smaller metric fasteners
• S2 silicon steel bit delivers exceptional durability
• Chrome vanadium steel socket, hardened, tempered, chrome plated and polished
• Knurled ring for enhanced grip
• 48mm overall length Contents:
• 1 x Socket with Hexagonal Bit, 3/8" Sq. Dr., 4mm