Pozidriv vs. Torx Plus
Comparing 2 standards across 13 specifications. 13 key differences identified.
The Pozidriv drive (ANSI Type IA cross recess / ISO 4757) is an improved cruciform drive developed by GKN Screws and Fasteners in 1962. Identified by four secondary radial score lines etched at 45 degrees between the main cross blades, it features parallel, non-tapered sidewalls that eliminate cam-out and allow significantly higher torque transmission than Phillips.
Torx Plus is an advanced evolution of the hexalobular star drive introduced by Textron Fastening Systems in the 1990s. Featuring squarer, elliptical lobes and a true 0-degree drive angle, it increases torque transmission capacity by up to 35% and extends assembly tool bit life by up to 100% in industrial manufacturing.
Specification Comparison Table
13 Parameters| Parameter / Spec | ||
|---|---|---|
|
Standard Specifications
|
ISO 4757 Type IA / BS 3529 / DIN 7962 | — |
|
Visual Identification
|
4 distinctive radial tick marks embossed at 45° between the main cross arms | — |
|
Flank Geometry
|
Parallel vertical sidewalls (zero taper angle, unlike Phillips 57° taper) | — |
|
Cam-Out Tendency
|
Extremely Low (Does not push driver out under high torque) | — |
|
Standard Sizing Tiers
|
PZ0, PZ1, PZ2 (dominant European carpentry size), PZ3, PZ4 | — |
|
Primary Geographical Usage
|
Dominant across European construction, cabinetry (IKEA furniture), and automotive | — |
|
Proprietary Standard
|
— | Acument Global Technologies (formerly Camcar Textron) |
|
Drive Geometry
|
— | 6 elliptical lobes with flattened lobe tips |
|
Drive Angle
|
— | 0 degrees (true perpendicular tangential drive vector) |
|
Torque Transmission Gain
|
— | Up to 35% higher torque than standard Torx |
|
Tool Bit Lifespan Gain
|
— | 100% to 200% longer drive bit life |
|
Sizing Notation
|
— | IP (Internal Torx Plus: 1IP to 100IP) and EP (External Torx Plus) |
|
5-Lobe Security Variant
|
— | Torx Plus Security (5-lobe star with central tamper pin, 8IPR to 50IPR) |