| Specification : | |
| Brand | BAUM Hand Tools |
| Model Code | ART 442 Series (Individual Loose Stock) |
| Product Category | Loose Metric L-Shaped Hex Wrench / Allen Key |
| Material Composition | High-Grade Hardened Alloy Steel |
| Structural Hardness | 50 HRC (Rockwell Hardness Scale C) |
| Surface Treatment | Anti-Rust Chemical Black Oxide / Black Finish |
| Measurement Sizing Matrix | Metric System Standalone Calibrations |
| Available Loose Sizes | 1.5mm, 2.0mm, 2.5mm, 3.0mm, 4.0mm, 5.0mm, 5.5mm, 6.0mm, 7.0mm, 8.0mm, 9.0mm, 10.0mm |
| Wrench Geometry Form | Right-Angle L-Profile (Dual Functional Ends) |
| Drive Interface Type | Straight-Cut Six-Sided Hexagonal Face |
| Application Scope | Industrial Machinery, Mechanical Maintenance, Auto Engine Blocks |
Premium Loose Sizing Fleet Selection: Available in multiple individual metric parameters from 1.5mm up to 10mm, including specialized intermediate sizes like 5.5mm and 7mm.
Hardened Industrial Alloy Steel: Forged from structural-tier alloy steel to deliver high tensile cross-sectional strength under high clamping stress.
Controlled 50 HRC Hardness Rating: Subjected to rigorous heat-tempering protocols to achieve a 50 HRC rating, protecting tips against edge-rounding or shearing.
Anti-Corrosion Black Oxide Surface: Coated in a deep chemical black oxide layer that shields the alloy base from environmental moisture, shop rust, and oil grime.
Dual-Leverage Right-Angle L-Shape: Classic L-profile configuration features a short arm for high-torque tightening and a long arm for deep mechanical clearance.