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RS PRO 9 Piece L Metric Hex Key Set Chrome Vanadium Steel, Long Arm, Black Finish 663-342
Specifications
| Country of Origin | India |
|---|---|
| Brand | RS PRO |
| Material | Chrome Vanadium Steel |
| Shape | L |
| Model | 663-342 |
| Finish | Black |
| Hex Size | 10.0 mm, 1.5 mm, 3.0 mm, 4.0 mm, 5.0 mm, 6.0 mm, 8.0 mm |
| Number of Pieces | 9 |
| Unit of Measure | Metric |
| End Type | Hex |
| Short or Long Arm | Long |
| RS PRO 9 piece L Imperial Hex Key Set, Hex size 5/64 → 3/8 inBrand | RS PRO |
| Facom 10 piece L Imperial Hex Key Set, Hex size 22.86 to 152.4 mmBrand | Facom |
| Allen 9 piece L Shape Metric Hex Key Set, 1.5mmBrand | Allen |
Key Features
- Contains nine metric L-shaped hex keys for comprehensive use.
- Constructed from high-strength chrome vanadium steel for longevity.
- Black finish provides corrosion resistance and easy identification.
- Long arm design ensures increased leverage and access to recessed fasteners.
- Non-sparking and suitable for safe use in various environments.
- L shape makes handling ergonomic and efficient.
- Ideal for assembly, repair, and maintenance in mechanical, electrical, and industrial applications.
Product Description
The RS PRO 9 Piece L Metric Hex Key Set model 663-342 is engineered for professionals who require dependable tools for fastening and loosening hex screws. This set includes nine long arm L-shaped keys crafted from chrome vanadium steel, delivering superior durability and strength. Each key features a blackened finish, ensuring resistance to corrosion and providing a clear and easy-to-read size marking.
Designed for metric applications, the set covers the most commonly used hex sizes: 1.5 mm, 3.0 mm, 4.0 mm, 5.0 mm, 6.0 mm, 8.0 mm, and 10.0 mm. The L-shaped geometry and extra-long arms maximize torque and offer deep access in recessed fasteners, making operations straightforward even in challenging assembly and maintenance environments.
Thanks to the material choice of chrome vanadium steel, the keys offer both strength and resilience under repeated professional use. The blackened finish further protects against wear and rust, ensuring long-term reliability in workshops, factories, or field locations. The non-sparking characteristics make the set safe for use across industrial, mechanical, and electrical settings.
Each tool in the set is ergonomically shaped for comfortable handling and efficient engagement with hex fasteners. The comprehensive range allows for versatility across mechanical, electrical, and general industrial repair tasks, making it suitable for technicians, engineers, and maintenance teams.
RS PRO's commitment to quality and precision underscores the set's suitability for diverse use cases, including machinery assembly, equipment repairs, HVAC maintenance, control panel work, and more. All keys are easy to organize and identify thanks to size marking and the uniform black finish.
The set is delivered ready for immediate use in professional environments, covering a wide span of technical needs. For more industrial hand tools and accessories, browse the Hex Keys and Hand Tools categories from RS PRO at EnvMart.
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Frequently Asked Questions
The hex keys are constructed from chrome vanadium steel, providing strength and resilience for professional use.
This model features a black finish that offers corrosion resistance and facilitates easy identification of sizes.
The set includes nine pieces of L-shaped hex keys, covering a range of metric sizes.
The set covers hex sizes of 1.5 mm, 3.0 mm, 4.0 mm, 5.0 mm, 6.0 mm, 8.0 mm, and 10.0 mm.
The keys are L-shaped with long arms, which maximize torque and provide deep access to recessed fasteners.
It is ideal for assembly, repair, and maintenance tasks in mechanical, electrical, and industrial environments.
Yes, the non-sparking characteristics of the keys make them suitable for safe use in various industrial environments.
Each key is ergonomically shaped for comfortable handling and efficient engagement with hex fasteners.
The hex key set is manufactured in India.
Each key features clear size markings, which are easy to read thanks to the uniform black finish.
Yes, it is engineered for professionals requiring dependable tools for fastening and loosening hex screws.
The model number of this hex key set is 663-342.
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