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| Specification : | |
| Brand | BAUM Professional Tools |
| Model Code | ART 233 Series |
| Product Category | Double-Ended Thin-Wall Tubular Box Spanner Wrenches |
| Material Base | Premium Industrial-Grade Cold-Drawn Selected Steel Tubing |
| Thermal Processing | Comprehensive Induction Hardened & Tempered Structural Cycle |
| Surface Armor Finish | Corrosion-Proof Chemical Conversion Black Phosphated Coating |
| Drive Jaw Profile | Precision-Formed 6-Point Hexagonal (Double-Ended Configuration) |
| Torque Interface | Integrated Cross-Drilled Holes for Tommy Bar / Lever Rod Driving |
| Available Loose Combinations | 6x7mm | 8x9mm | 8x10mm | 10x11mm | 12x13mm | 10x12mm | 10x13mm | 12x14mm | 14x15mm | 13x17mm | 14x17mm |
| Application Scope | Deep Tap Basin Plumbing, Recessed Engine Manifolds, Spark Plug Extractions |
Premium Selected Steel Tubing Architecture: Fabricated from industrial-grade cold-drawn steel tubing to form a strong, thin-walled profile that accesses tight fastener clusters easily.
Full Body Hardened & Tempered Curing: Undergoes complete induction heat treatment profiles to maximize structural shell durability and prevent the hex jaws from splitting under peak torque load.
Industrial Anti-Rust Black Phosphated Armor: Shielded with a premium chemical conversion coating that seals out moisture, grease, and shop solvents to stop rust formation.
Dual-Ended Hexagonal Saving Layout: Features two distinct, precision-machined metric size apertures per tool to optimize carry space and tackle multiple jobs with a single wrench.
Integrated Tommy Bar Retention Ports: Cross-drilled handle holes allow easy insertion of standard driving levers to multiply manual breakout torque on seized or rusted fasteners.