Cam locker Medium Handheld Waterproof tool box

I.Product Introduction

This #564320 medium-sized industrial protective case supports full-process OEM & ODM customization. The military-grade case body is integrally injection-molded from thickened modified PP material, featuring a matte black wear-resistant textured shell and an integrated structure with three-dimensional reinforcing ribs, fitted with an integrated anti-slip central handle. The widened and deepened large-capacity empty compartment can hold complete sets of professional photographic equipment, large testing instruments, full sets of maintenance tools, surveying and mapping devices, all outdoor shooting accessories, and small medical equipment for field transportation. The interior is a smooth virgin plastic cavity without pre-installed foam inserts.

External dimensions: 619×491×222mm (24.37”*19.33”*8.74”)

Internal usable dimensions: 560×432×204mm (22.05”*17.01”*8.03”)

Net weight of the case: 4.32KG. Built with a heavy-duty reinforced military-grade structure, it reliably protects medium-sized equipment during vehicle transport, on-site engineering work and long-distance consignment.

Constructed by integral injection molding of high-toughness modified polypropylene, the case is fully reinforced with three-dimensional ribs all around. It is equipped with an automatic air pressure balance relief valve and four pairs of symmetrical heavy-duty spring latches, making it dustproof, shockproof and pressure-resistant. It can withstand high and low temperatures as well as mild corrosion from acids, alkalis and oil stains. The extended thickened metal rear hinges ensure stable opening and closing with long service life, resisting deformation and breakage even after tens of thousands of opening cycles. The inner cavity is made of smooth virgin PP material, which is corrosion-resistant and easy to clean. The spacious widened and deepened cavity is designed for storing complete sets of medium precision equipment. It is ideal for transporting full outdoor photography gear, carrying engineering testing instruments to job sites, storing surveying scale sets, packing shooting accessories for outdoor activities, and moving laboratory optical devices. It addresses common problems including the trouble of carrying multiple separate cases, bumps and damage during long-distance transit, and component corrosion caused by construction-site dust. This universal military-grade medium protective case is perfect for professional photographers, surveying engineers, electromechanical inspectors and outdoor shooting enthusiasts.

II. Core Selling Points

1. Heavy-duty box made of thickened modified PP through integral injection molding, pressure-resistant and resistant to high and low temperatures without deformation: The whole box is integrally injection-molded with thickened cold-resistant modified PP. Three-dimensional thickened reinforcing ribs fully cover the top surface, side walls and bottom of the box. Integrated arc-shaped anti-collision protrusions are formed at four corners. The box will not dent or crack when a person stands and steps on it or when goods are stacked in multiple layers. It can withstand extreme temperature differences ranging from -40℃ to 90℃, and will not turn white or become brittle during long-term use on construction sites, snowy mountains or in vehicles under blazing sunlight. It resists corrosion from engine oil, weak acids and alkalis, boasting high durability in harsh industrial environments.
2. Four sets of symmetrical heavy-duty ABS spring latches that stay fastened during long-distance consignment: Two sets of thickened integrated injection-molded spring latches are arranged on the left and right sides of the front of the box respectively, fitted with high-strength rebound springs to lock the box tightly at four points simultaneously. The latches will not pop open accidentally when the truck jolts, during air freight or when moving vigorously outdoors. The all-plastic latches avoid metal rusting issues, and can be opened and closed smoothly without jamming for a long time in humid construction sites and outdoor conditions.
3. Widened and thickened ergonomic non-slip handle for comfortable carrying under full load: An integrated thickened curved non-slip plastic handle is installed at the center of the box with a reinforced double-support structure on both left and right sides to evenly distribute the weight of fully loaded equipment. The soft rubber surface provides anti-slip and shock absorption effects. It will not dig into hands or break easily even when carrying medium-sized instruments over long distances, and its load-bearing capacity far exceeds that of ordinary thin handles.
4. Built-in air pressure balance relief valve for easy opening under temperature differences and at high altitudes: An air pressure balance relief valve is standard on the front of the box. It automatically balances the air pressure inside and outside the box during mountain climbing or in environments with sharp temperature changes, preventing negative pressure inside the box from jamming the lid. The box can be opened normally without prying hard, protecting precision instruments inside from squeeze damage caused by air pressure fluctuations.
5. Extended metal supporting hinges for stable opening and closing with high durability: Extended and thickened galvanized metal hinges are mounted on the back of the box and fixed with multiple rivets, which hold the lid steadily without sagging. They are not prone to loosening or breaking after repeated opening and closing during frequent field work and exhibitions, greatly extending the overall service life of the box.
6. Smooth virgin plastic empty cavity with corrosion resistance and easy cleaning: The interior of the box is an integrally molded smooth PP cavity without flocking or sponge lining. Oil, sediment and chemical stains can be washed off directly with clean water, making it ideal for bulk storage of hardware, sampling supplies and industrial equipment.
7. Full-range customization services for bulk corporate procurement: A large blank marking area is reserved on the front of the box, supporting laser engraving and screen printing of corporate LOGOs, equipment serial numbers and brand names. Box color customization is available for bulk orders. ODM modifications including box wall thickness, latch structure and handle specifications are supported to meet the storage needs of complete sets of equipment across multiple industries such as photography, surveying and mapping, military industry, medical care, electromechanical engineering and outdoor activities.

III. Specification Table

IV. Details Display

1. Four Sets of Symmetric Spring Latches

There are two widened ABS spring latches on both the upper and lower sides of the case, which are integrally injection-molded. The springs have strong elasticity to lock the case at four points simultaneously. The latches will not pop open accidentally during transportation. Made without metal parts, they avoid rusting and remain durable in humid outdoor environments.

2. Reinforced Anti-slip Central Handle

An arched plastic handle is mounted at the center of the front panel of the case and secured by double-layer brackets. The thickened soft rubber grip delivers anti-slip and shock-absorbing performance. When the case is fully loaded with instruments, the stress is evenly distributed during lifting, so the handle is resistant to breakage and will not dig into hands.

3. Front Air Pressure Balance Relief Valve

The circular relief valve is installed below the handle. It automatically balances the air pressure inside and outside the case. Under large temperature differences and high-altitude conditions, negative pressure that tightly sucks the lid shut will not occur. This makes opening the case effortless and prevents damage to the case and internal equipment caused by forced prying.

4. Three-Dimensional Rein Rib Anti-Collision Structure All Over the Box

The outer shell of the box is covered with integrally formed concave-convex reinforcing ribs, and the four corners are fitted with thickened arc-shaped anti-collision corners. It disperses impact force when the box falls and collides or bears stacked heavy objects, preventing the box from cracking or denting. It can withstand the weight of an adult standing on it.

V. Color Selection and Customization Services

Standard Stock Colors

Standard matte military black; bulk orders are available with custom case colors including military green, industrial grey and warning orange.

Customization Services

1. LOGO Engraving: The marking area on the front of the case supports laser engraving and screen printing of company names, equipment serial numbers and brand logos.
2. Full-case OEM/ODM Customization: We can adjust the wall thickness of the case, the number of latches, hand grip structure, as well as the length, width and height dimensions of the case.
3. Bulk Group Purchasing: Tiered low prices are offered for bulk purchases by photography studios, surveying and mapping engineering companies, electromechanical testing institutions and outdoor gear stores. Official VAT invoices can be issued.

VI. Application Scenarios

1. Storage for complete professional outdoor photography equipment: store DSLR/mirrorless camera bodies, multiple lenses, flashes and batteries as a full set. The thickened case is shockproof and pressure-resistant, protecting equipment from dust during outdoor location shooting.
2. Field storage for complete sets of portable engineering testing instruments: pack multi-channel detectors, water quality sensors and gas detection devices in one case. The wear-resistant case withstands harsh construction site conditions with mud, water and dust.
3. Transportation of full sets of surveying equipment for fieldwork: store total station accessories, levelling staffs and rangefinders together. The large-capacity compartment holds surveying tools and prevents bumps during field surveys.
4. Storage for complete outdoor shooting accessories: keep scopes, calibration tools and divided fittings all in one place. The military-grade case is sturdy and wear-resistant, easy to carry in mountainous wild areas.
5. Transportation of small laboratory optical instruments: store spectral probes and matching consumables in separate compartments. The smooth inner surface makes it easy to clean chemical residues.
6. Storage for complete electromechanical maintenance tools: hold torque wrenches, sockets and multimeters as a full set. The empty case can be directly washed to remove oil stains, keeping out dust and grime during emergency repairs on construction sites.
7. Protective storage for complete exhibition equipment and samples: safely store test prototypes and photographic exhibits. The large capacity allows multiple items to be carried at once without abrasion or damage during long-distance transportation.
8. Transportation of field sampling equipment: store sampling test tubes, portable detectors and consumables in separate sections. The rigid case shields contents from knocks, and the interior can be easily rinsed and disinfected.

VII. Material and Process Description

1. Main material of the case: Integrally injection-molded from modified polypropylene with superior cold resistance and high toughness, formulated with anti-aging and anti-impact additives. It maintains structural stability under a wide temperature range and is naturally resistant to acid, alkali and engine oil corrosion. Splashes of mild chemicals and muddy water will not easily damage the case.
2. Plastic fittings: Latches, handles and pressure relief valves are all made of high-strength modified ABS via integral injection molding. They are impact-resistant and fracture-proof with no risk of metal rusting.
3. Hardware fittings: Extended galvanized anti-rust metal is adopted for the rear hinges, which are fixed by multi-point riveting and can withstand repeated opening and closing without rusting or deforming over time.
4. Molding process: The entire case is integrally injection-molded with no spliced seams. Three-dimensional reinforcing ribs are formed integrally all over the body. The arc-shaped anti-collision corners are free of sharp burrs. The latches and hinges are positioned precisely to ensure tight closure.
5. Inner compartment process: The inner wall is integrally molded from smooth virgin PP material without extra liners. There will be no peeling or debris falling off, and the surface can be cleaned thoroughly with plain water.

VIII. Packaging and Delivery

1. Independent Protective Packaging: Each case is individually packed in a carton and sealed with an extra-thick corrugated outer carton to prevent edge impacts and surface scratches during courier delivery.
2. Delivery Lead Time: In-stock empty cases will be dispatched within 48 hours. Orders with LOGO engraving, custom molded EVA, foam and pearl cotton liners will be scheduled for production and delivered within 15 working days.
3. Logistics Solutions: Small retail orders are delivered to door via courier. Bulk group procurement orders can be shipped by dedicated line logistics, with full-truck door-to-door delivery available.
4. Packing List: Main protective case; optional liners shipped together in the same package.

IX.FAQ

Q1: Can this protective case withstand heavy stacked items or being stepped on?

A: The case features a thickened structure with three-dimensional reinforcing ribs all over the body. It will not dent or crack when a single adult stands still on it or when multiple layers of lightweight goods are stacked. Long-term pressure from items exceeding 25KG is not recommended.

Q2: Will the case become brittle and crack when used outdoors at low temperatures in winter?

A: It is made of cold-resistant modified PP material. It will not crack even at -40℃. It works well on snow-capped mountains and construction sites in northern areas during winter. Operate the latches gently in low-temperature conditions to reduce wear and tear.

Q3: How to clean and maintain the case if it gets stained with engine oil, cement or silt?

A: Rinse it directly with clean water and a soft brush. Wipe off stubborn oil stains with neutral detergent. Store equipment only after the case is fully dried. The PP inner wall is corrosion-resistant and leaves no residue.

Q4: Can a full set of medium-sized photographic or testing instruments fit entirely inside?

A: Items whose overall length, width and height are smaller than the internal dimension of 560×432×204mm can be fully contained. For extra-large equipment, please contact our factory for the enlarged military-grade protective cases of the same series.

Q5: Can damaged latches, hand grips and hinges be replaced separately?

A: Latches, hand grips and hinges are standard universal spare parts. Contact customer service with your case model number, and separate replacements will be sent to you for self-installation.