BAUM Heavy-Duty Large 1/2" (12.7mm) Drive Chrome Vanadium 12-Point Bi-Hex Socket | Matte Double Chrome Plated Finish with Slotted Knurled Base | Model ART 237 Jumbo Series (Sizes 20mm to 32mm)
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| Specification : | |
| Brand | BAUM Professional Tools |
| Model Code | ART 237 Jumbo Metric Matrix |
| Product Category | Professional 1/2-Inch Drive (12.7mm) Large 12-Point Bi-Hexagon Sockets |
| Material Base | Premium Drop-Forged Chrome Vanadium Alloy Steel (CrV Construction) |
| Internal Drive Wall | High-Engagement 12-Point Bi-Hex Profile with 30° Rotational Index Alignment |
| Surface Finish (Exterior) | Corrosion-Proof Scratch-Resistant Matte Finish Double Chrome Plating |
| Surface Finish (Interior) | Moisture-Blocking Aluminium Painted Coating (Inside Square Driver Hub) |
| Grip & Safety Retention | Precision Machined Slotted Base with High-Traction Speed Knurling Band |
| Available Loose Sizes | 20mm | 21mm | 22mm | 23mm | 24mm | 25mm | 26mm | 27mm | 28mm | 29mm | 30mm | 32mm |
| Tool Compatibility | 1/2" Drive Hand Ratchets, Flex Breaker Bars, Extension Adjusters, and Speeders |
| Application Scope | Heavy Transport Undercarriage Service, Truck Wheel Lug Nuts, Plant Machinery Maintenance |
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Advanced 30-Degree Quick-Alignment Geometry: Precision 12-point internal box profile provides double the starting positions compared to a 6-point wall socket, maximizing engagement speed in restricted mechanical bays.
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Premium Forged Chrome Vanadium Core: Engineered from high-density CrV alloy tool steel to sustain severe manual breakthrough torque limits without wall expansion or profile deformation under heavy industrial leverage.
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Dual-Layer Matte Chrome Armor Shielding: Encased in an industrial scratch-resistant matte double chrome plating that forms a complete anti-corrosion barrier against workshop moisture, road mud, and grease.
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High-Traction Slotted and Knurled Base: Designed with an integrated diamond-pattern speed knurling band for rapid manual pre-turning alongside clean detent ball slots for secure ratchet or breaker bar retention.
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Aluminium Painted Internal Receiver Protection: Coated completely inside the female square drive hub with a high-adhesion internal aluminium paint layer to eliminate moisture tracking and hidden metal oxidation.
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