Apex SZ-18-A Hex Insert Bit 9/16 Inch Hex 2.25 Inch Oal

Product Description

The APEX SZ-18-A is a hex screwdriver insert bit designed for use in power tools and manual drivers that accept standard insert bits. Made from steel, this bit features a 9/16 inch hex drive profile and measures 2.25 inches in overall length. It is built for fastening and loosening hex-head fasteners in HVAC equipment, electrical enclosures, plumbing fixtures, and general trade service work. The ball-end feature is not included on this model, making it a straight-engagement bit suited for inline fastener access. At 0.05 pounds, it is a lightweight addition to any service technician's bit set.

This insert bit is suited for residential and commercial service applications where hex-head fasteners are common. Typical uses include tightening access panel screws on HVAC units, securing electrical box hardware, and general mechanical assembly or disassembly. The 9/16 inch hex size covers a range of fastener heads found in trade equipment across HVAC, plumbing, and electrical disciplines. It fits standard insert bit holders and quick-change chucks used by service technicians in the field.

Key Features

• 9/16 inch hex profile for precise fastener engagement
• 2.25 inch overall length suits standard insert bit holders
• Steel construction provides durability under torque loads
• Straight-engagement design for inline fastener access
• Lightweight at 0.05 pounds for easy handling in the field

Compatibility

Designed as an OEM-style insert bit for use with standard 1/4 inch drive insert bit holders and quick-change power tool chucks that accept hex shank insert bits.

Installation Notes

Insert bits should be seated fully into the bit holder before applying torque to avoid slippage or fastener damage. Always power down equipment before accessing fastened panels or enclosures. Use appropriate personal protective equipment when working inside energized or pressurized systems. This bit is intended for use by licensed trade professionals following applicable NEC, IFGC, or IPC guidelines as required by the work being performed.