Apex 80578 Metric Hex Bit Socket Set 10 Piece 4-17mm

Product Description

The APEX 80578 is a 10-piece metric hex bit socket set designed for loosening and tightening internal hex fasteners in professional trade and maintenance applications. The set includes both 3/8 inch and 1/2 inch drive sockets, covering metric sizes from 4mm through 17mm. Base sockets are heat-treated alloy steel, and the bits are S2 steel for extended service life under high-torque conditions. A socket rail is included for organized storage on the job site or in a service vehicle.

This set is suited for HVAC technicians, plumbers, electricians, and mechanical contractors who regularly work with hex-fastened components such as motor mounts, equipment panels, valve assemblies, and structural hardware. The dual-drive configuration adds versatility across a range of fastener access situations, from tight equipment enclosures requiring a 3/8 inch drive to heavy-duty applications calling for a 1/2 inch drive.

Key Features

• Heat-treated alloy steel base sockets for impact resistance and long service life
• S2 steel bits for superior hardness and durability under torque
• Dual drive compatibility: 3/8 inch and 1/2 inch drive
• 10-piece metric set covering 4mm, 5mm, 6mm, 7mm, 8mm, 9mm, 10mm, 12mm, 14mm, and 17mm
• Includes socket rail for organized storage and transport

Compatibility

Designed for use with standard 3/8 inch and 1/2 inch drive ratchets and extensions. Fits internal hex fasteners in metric sizes 4mm through 17mm across a wide range of mechanical, HVAC, plumbing, and electrical equipment.

Installation Notes

De-energize or shut down equipment before servicing any fastened components. Use the appropriate drive size for the torque demands of the application to avoid fastener damage or socket slippage. Inspect bits for wear before use, as worn S2 bits can round internal hex fasteners. These sockets are intended for hand-drive and ratchet use; confirm manufacturer guidance before use with impact drivers.

Technical Specifications

• Drive Size: 3/8 inch and 1/2 inch
• Socket Type: Hex Bit
• Measurement Standard: Metric
• Sizes Included: 4mm, 5mm, 6mm, 7mm, 8mm, 9mm, 10mm, 12mm, 14mm, 17mm
• Piece Count: 10
• Base Socket Material: Heat-treated alloy steel
• Bit Material: S2 steel
• Weight: 1.89 pounds
• UPC: 099575805783

Standard Information

• Brand: APEX
• Manufacturer Part Number: 80578