Milwaukee Elec Tool 48-32-4620 9-piece Security Insert Bit Set

Product Description

The MILWAUKEE ELEC TOOL 48-32-4620 is a 9-piece security insert bit set built around Shockwave Impact Driver Bit technology. Each bit is machined from Custom Alloy76 steel and processed with a specialized heat treatment for its specific tip type, delivering up to 50x longer service life compared to standard impact driver bits. The Wear Guard Tip preserves fit at the drive point throughout the life of the bit, while Shockzone geometry is tuned per tip type and length to absorb peak torque and reduce breakage. This set is suited for electricians, HVAC technicians, plumbers, and general trade professionals who regularly encounter security fasteners in the field.

This set is designed for use with impact drivers in applications requiring tamper-resistant fastener engagement. It covers a range of common security drive types, making it practical for service work across residential and light commercial environments. The included bits cover Torx Security, Hex Security, Spanner, and Clutch drive profiles. The set includes: one T20 Security Insert Bit, two T25 Security Insert Bits, one T30 Security Insert Bit, one 1/8-inch Hex Security Insert Bit, one 5/32-inch Hex Security Insert Bit, one Spanner 10 Insert Bit, one Clutch 5/32-inch Insert Bit, and one Clutch 3/16-inch Insert Bit.

Key Features

• Custom Alloy76 steel construction with per-tip heat treatment for extended durability
• Wear Guard Tip protects the drive point and maintains fastener fit over time
• Shockzone technology absorbs peak torque to reduce bit breakage during impact driving
• Optimized Shock Z1 geometry minimizes wobble and prevents fastener stripping
• 9-piece set covers Torx Security, Hex Security, Spanner, and Clutch drive types
• Designed for compatibility with standard impact drivers used in trade applications

Compatibility

Designed as an OEM-style insert bit set for use with standard 1/4-inch hex shank impact drivers commonly used in trade and industrial applications.

Installation Notes

Insert bits should be seated fully into the impact driver chuck before engaging a fastener. Always power down or unplug the tool before changing bits. Do not use impact-rated bits in drill-only drivers beyond their rated torque capacity, as this can accelerate wear or cause breakage. Proper bit selection for the specific security fastener type is essential to avoid cam-out and fastener damage.