WEISHUO 16 inch handheld hard case protective case represents a high standard solution for industrial-grade tool protection. In industrial environments such as manufacturing plants, construction sites, and power facilities, tools and equipment often face harsh operating conditions: frequent handling, potential drops, dusty and humid environments, and accidental contact with chemicals. Traditional toolboxes or plastic boxes simply cannot provide sufficient protection, leading to tool damage, decreased precision, and even safety hazards.
This WEISHUO 16 inch handheld hard case protective case is designed to solve these industrial pain points. We started with the materials, selecting a special engineering PP plastic formula. This formula adds an impact modifier to the base PP material, increasing its impact toughness by 200% compared to ordinary PP. The box wall thickness was also increased accordingly, ensuring that the box will not deform or crack even when fully loaded with 20 kg of tools.
The mating surfaces between the box and the lid employ a three-stage sealing design: the first stage is a traditional compression sealing strip, the second stage is a labyrinthine dustproof structure, and the third stage is a guide lip on the edge of the lid. This design ensures that the contents remain dry and clean even in sandstorms or heavy rain.
Considering the frequent handling needs in industrial environments, we made special optimizations to the handle design. The handle is 30mm wide, conforming to the optimal grip size for an adult hand; the handle's interior features an ergonomically designed groove curve; and it is covered with soft TPU material, ensuring it won't feel cold or slippery even at -10°C. Furthermore, the protective box has passed 10,000 lifting tests, ensuring long-term safety and reliability.
| External dimensions: | 409.5 mm × 332.3 mm × 165 mm (16.1 in × 13 in × 6.5 in) |
| Internal dimensions: | 381 mm × 267 mm × 150 mm (15 in × 10.5 in × 5.9 in) |
| Top Lid Internal Depth: | 45 mm (1.77 in) |
| Lower Case Internal Depth: | 105 mm (4.1 in) |
| Empty Case Weight: | Approximately 2.5 kg, robust yet lightweight construction |
| Maximum Load Capacity: | Designed to withstand 20 kg, tested limit 30 kg |
| Protection Rating: | IP67 certified, third-party laboratory report available |
| Optional Colors: | Standard Black, Industrial Yellow, Safety Orange, etc. |
Heavy-Duty Load Capacity and Structural Reinforcement
The structural design of the WEISHUO 16 inch handheld hard case protective case has been optimized using finite element analysis. We simulated the impact of the enclosure being dropped from a height of 1.2 meters (standard workbench height) onto a concrete floor while fully loaded with 20 kg of tools. Analysis showed that even under the worst-case angle drop condition, the maximum stress on the enclosure was still less than 60% of the material's yield strength. In actual testing, we conducted 10 consecutive angle drop tests; the enclosure showed no cracking, only minor scratches on the surface, and the eggs placed inside remained intact.
Industrial Environment Adaptability
Considering common chemicals in industrial environments such as oil, cutting fluid, and weak acids and alkalis, we added chemical corrosion resistant components to the material formulation. Laboratory tests showed that the enclosure surface resists corrosion from the following substances:
Various lubricating oils, hydraulic oils, and machine oils – no change after continuous immersion for 168 hours
Common solvents such as alcohol and acetone – no effect from short-term contact
The enclosure surface also undergoes anti-static treatment, making it suitable for use in the electronics manufacturing industry.
| Characteristics | Standard toolbox | WEISHUO 16 inch handheld hard case protective case | Advantages |
| Material Strength | Ordinary plastic, easily cracked | Glass fiber reinforced PP, good toughness | 100% drop test pass rate |
| Chemical Resistance | No special treatment | Oil and chemical resistant formula | 2-3 times longer lifespan |
| Sealing Performance | Simple sealing, prone to failure | IP67 certified, triple seal | Truly waterproof and dustproof |
| Customization Degree | Basically none | Full customization available | Perfectly meets usage needs |
Maintenance Tips: Check the sealing strip elasticity monthly; clean the case quarterly; check the locking mechanism annually.
Q1: Can power tools such as drills and angle grinders be placed inside?
A1: Absolutely. The internal dimensions are specifically designed for common power tool sizes, and custom slots for batteries and chargers are also available.
Q2: Is the case fireproof?
A2: It is flame-retardant but not completely fireproof. It is not recommended for storing flammable or explosive materials.
Q3: Minimum purchase quantity and price?
A3: Minimum order quantity for standard colors is 5 pieces; minimum order quantity for custom colors is 50 pieces. Prices vary depending on the configuration; please consult sales for details.
Address
Building 6,300# Chuanghui Road,Zhongnan Hi-Tech Binhai Industrial Zoo, Ninghai, Ningbo, Zhejiang, China
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