Phillips, ACR, & Posidriv Inserts

  • Industrial Quality 

  • S-2 Shock Resistant Steel

  • HRc 60 Hardness

  • Computer Controlled Hardening & CNC Machine Ground

  • 1/4" Hex Shank & Sold as 50 pieces per pack

Phillips Insert Bits:

Posidriv Insert Bits:

  • Radial Indentations - Set of lines 45 degrees from the center recess allows for greater control and torque

  • Posidriv is a registered trademark of the Phillips Screwdriver Co.

ACR Insert Bits:

  • ACR stands for Anti-Camout Ribs which are tiny grooves that secure tightly to screws in reducing user fatigue and is commonly used in the aviation industry