M33A Metal Cable Gland Manufacturer for Industry
Stainless steel waterproof connector M series M33A combines IP68/69K sealing, nickel-plated brass, and PA66 nylon for outstanding resistance to acids, UV, and aging, ensuring safe, stable connections in harsh environments.
- Product Certification: IP68、ISO9001、TUV
- Materials: Brass with nickel plated for body,Nylon PAfor plastic claw
- ODM/OEM: Customizable stainless steel 304/316L material
Method of use: the metal cable waterproof connector is the product of form a complete set of the cable, connector cable can be lock, the other end can access devices on the box body, also can choose thread access accordingl to the import and export for the internal thread of electric devices.
Product advantage introduction
- Stainless steel waterproof connector M series M33A provides IP68-grade waterproof protection for power and signal wiring in harsh environments.
- It features nickel-plated brass and durable sealing rings, offering strong corrosion resistance and secure connectivity.
- Its large diameter and robust structure support high current or heavy-duty equipment applications
- Ideal for marine, outdoor, and power system wiring, the M33A connector ensures lasting safety and reliability.
structural diagram


Stainless steel waterproof connector M series M33A features high tensile strength, IP68 protection, and excellent resistance to acids, salt, and chemicals for cable connections in demanding indoor and outdoor environments.Its robust structure ensures lasting performance, easy assembly, and stable transmission over time.
Choose M33A for large diameter wiring projects that require durability and safety in harsh conditions.


Product Description
The M33A Metal Cable Gland is an IP68 watertight cable sealing solution designed for secure cable entry, strain relief, and protection in industrial and commercial electrical systems. As a professional metal cable gland manufacturer, supplier, and factory, we provide reliable products for B2B buyers requiring stable quality and bulk supply.
This cable gland helps prevent water, dust, oil, and contaminants from entering electrical enclosures while firmly holding cables in place. Its precision-designed claws and sealing components provide a strong grip and wider cable clamping range, making installation efficient and dependable.
The M33A metal cable gland is widely used in industrial automation, electrical control panels, outdoor equipment, machinery, power distribution systems, and commercial installations. It is ideal for industrial users, electrical contractors, distributors, and wholesalers looking for custom, OEM/ODM, and wholesale price solutions.
Key Features
- IP68-10 Bar watertight sealing for demanding environments
- Metal body with strong corrosion and chemical resistance
- Secure cable clamping with “click” locking nut design
- Resistant to salt water, weak acid, alcohol, oil, grease, and solvents
- Supports OEM/ODM customization from a direct factory with competitive wholesale price
Product Specifications
- Model: M33A Metal Cable Gland
- Thread Type: Metric, PG, G (PF), NPT available
- Material: Nickel-plated brass body, Nylon PA claw, NBR sealing insert and O-ring
- Protection & Temperature: IP68-10 Bar, -40℃ to 100℃, short-term heat resistance up to 120℃
Product Specifications Table
| Model | Thread AG | Cable Range (mm) | Thread O.D (mm) | Mounting Hole Diameter(mm) | Thread length GL(mm) | Bonding length (mm) | Spanner Size (mm) |
| M14-NP | M14×1.5 | 8-4 | 14 | 14-14.2 | 7 | 19 | 17 |
| M16-NP | M16×1.5 | 8-4 | 16 | 16-16.2 | 8 | 20 | 18 |
| M18-NP | M18×1.5 | 10-5 | 18 | 18-18.2 | 8 | 21 | 20 |
| M20-NP | M20×1.5 | 12-6 | 20 | 20-20.2 | 8 | 22 | 22 |
| M22-NP | M22×1.5 | 14-10 | 22 | 22-22.2 | 8 | 23 | 24 |
| M24-NP | M24×1.5 | 14-10 | 24 | 24-24.2 | 9 | 25 | 24/27 |
| M25-NP | M25×1.5 | 14-10 | 25 | 25-25.2 | 9 | 25 | 24/27 |
| M28-NP | M28×1.5 | 18-13 | 28 | 28-28.2 | 9 | 27 | 30 |
| M30-NP | M30×1.5 | 18-13 | 30 | 30-30.2 | 9 | 29 | 30/32 |
| M32-NP | M32×1.5 | 22-15 | 32 | 32-32.2 | 10 | 29 | 35 |
| M33-NP | M33×1.5 | 22-15 | 33 | 33-33.2 | 10 | 29 | 35 |
| M36-NP | M36×1.5 | 25-18 | 36 | 36-36.2 | 10 | 31 | 40 |
| M37-NP | M37×1.5 | 25-18 | 37 | 37-37.2 | 10 | 31 | 40 |
| M40-NP | M40×1.5 | 25-18 | 40 | 40-40.2 | 11 | 31 | 40/45 |
| M42-NP | M42×1.5 | 30-22 | 42 | 42-42.2 | 11 | 35 | 45 |
| M48-NP | M48×1.5 | 33-25 | 48 | 48-48.2 | 11 | 37 | 50/52 |
| M50-NP | M50×1.5 | 38-32 | 50 | 50-50.2 | 12 | 37 | 57/55 |
| M63-NP | M63×1.5 | 44-37 | 63 | 63-63.2 | 13 | 38 | 64/68 |
FAQ
- Q1: Are you a metal cable gland manufacturer or supplier?
A: Yes, we are a professional metal cable gland manufacturer and supplier, offering direct factory supply for B2B buyers. - Q2: Do you provide OEM/ODM customization for M33A cable glands?
A: Yes, we support OEM/ODM customization, including thread type, material, size, and branding requirements. - Q3: What applications are suitable for M33A metal cable glands?
A: They are suitable for industrial equipment, control panels, outdoor electrical systems, machinery, and power distribution projects. - Q4: Can distributors get wholesale pricing?
A: Yes, we provide competitive wholesale price options for distributors, wholesalers, and bulk orders. - Q5: Is the M33A cable gland suitable for harsh environments?
A: Yes, its IP68 sealing and corrosion-resistant materials make it suitable for wet, dusty, oily, and outdoor environments.














