Brass Cable Gland Manufacturer — Factory-Direct, Bulk & OEM Supply
Brass Cable Gland — Nickel Plated, IP68 Rated
If you’re looking for a cable gland that combines mechanical strength, corrosion resistance, and a reliable long-term seal — brass is the industry standard for good reason. Our brass cable glands are nickel-plated for enhanced corrosion protection, rated IP68 as standard, and tested to IEC 60529 on every production batch. They’re built for industrial environments where plastic simply won’t do — and they carry the certifications your project requires.
We are a brass cable gland manufacturer and global supplier based in Yueqing, Zhejiang, China — supplying distributors, wholesalers, and OEM partners across 50+ countries directly from our factory. We stock brass cable glands across PG, metric, BSP, and NPT thread standards — from PG7 all the way through to G3 — so whether you need a standard bulk order or a custom brass cable gland to your specification, we can supply it with the documentation to match.
What is a Brass Cable Gland?
A brass cable gland — sometimes called a cable gland brass type or nickel plated brass cable gland — is a cable entry fitting machined from free-cutting brass and finished with a nickel plating for corrosion protection. It seals cables where they pass through enclosures, panels, and equipment housings, providing three functions: strain relief to prevent pullout, environmental sealing to maintain the enclosure’s IP rating, and in EMC variants, electromagnetic shielding through the conductive brass body. The assembly — as shown above — consists of six components: lock nut (A), O-ring (B), body (C), claw (D), seal (E), and sealing nut (F).
Our Brass Cable Gland Range
We manufacture brass cable glands in four main variants — here’s how to choose between them.
Nickel Plated Brass Cable Gland — Standard
Nickel plated brass cable gland, IP68 rated — our most popular variant for industrial control panels, outdoor switchgear, enclosures, and general electrical installations worldwide.
- Thread: PG7–PG48 · M12–M63 · BSP G1/4–G3 · NPT 1/4″–2-1/2″
- Rating: IP68 · CE & RoHS ✓
Double Compression Brass Cable Gland
Brass gland for armoured cable — two compression points seal against both the cable outer sheath and the armour layer (SWA). Provides armour termination, earthing continuity, and enhanced ingress protection.
- Thread: M20–M63 PG16–PG48
- Rating: IP68 · For SWA & SY armoured cables · CE & RoHS ✓
Single Compression Brass Cable Gland
One compression point on the cable outer sheath — suitable for unarmoured cables and flexible cables. Simpler construction, easier to install, and lower cost than double compression where armour termination isn’t required.
- Thread: PG7–PG48 · M12–M63
- Rating: IP65 · For unarmoured cables · CE & RoHS ✓
360° EMC bonding ring provides full electromagnetic shielding at the cable entry point — essential for shielded cables in automation, telecoms, and any installation where electromagnetic interference must be controlled.
- Thread: M16–M50 · PG11–PG36
- EMC bonding ring included · CE & RoHS ✓
Looking for a different cable gland type? → View our full Cable Gland range — nylon, stainless steel, explosion-proof, marine, and more.
Specifications & Certifications
Here’s the technical detail you need for specifying or quoting our brass cable glands. Spec sheets for individual sizes are available on request.
Specification | Details |
Body Material | Free-cutting brass with nickel plating (standard finish). Zinc plating available on request. |
IP Rating | IP68 (standard) · IP65 (single compression) — tested to IEC 60529 on every production batch |
Thread Standards | PG (PG7–PG48) · Metric (M12–M63) · BSP/G (G1/4″–G3″) · NPT (1/4″–2-1/2″) |
Sealing Material | EPDM and NBR elastomer — alternative compounds available for chemical or temperature resistance |
Certifications | CE marking · RoHS compliant — certificates of conformity provided with every order |
Manufacturing Standards | IEC 60670-22 (cable entry systems) · IEC 60529 (ingress protection) |
HS Code | 8536.90 — suitable for import/export documentation |
Brass Cable Gland Size Chart
Select the correct size by matching your cable’s outer diameter to the gland’s cable range, and matching the thread type to your enclosure knockout. All dimensions in millimetres. Spanner size given for installation reference.
| Size | Cable Range (mm) | GL (mm) | AG/OD (mm) | H (mm) | Spanner (mm) |
|---|---|---|---|---|---|
| PG7 | 3–6.5 | 6.5 | 12.5 | 17 | 14/15 |
| PG9 | 4–8 | 8 | 15.2 | 19 | 17/18 |
| PG11 | 5–10 | 8 | 18.6 | 21 | 20/21 |
| PG13.5 | 6–12 | 8 | 20.4 | 22 | 22/23 |
| PG16 | 10–14 | 8.5 | 22.5 | 23 | 24/25 |
| PG21 | 13–18 | 9 | 28.3 | 27 | 30 |
| PG29 | 18–25 | 10 | 37 | 31 | 40 |
| PG36 | 25–33 | 11 | 47 | 37 | 50 |
| PG42 | 32–38 | 13 | 54 | 37 | 57 |
| PG48 | 37–44 | 14 | 59.3 | 38 | 64 |
| Size | Cable Range (mm) | GL (mm) | AG/OD (mm) | H (mm) | Spanner (mm) |
|---|---|---|---|---|---|
| M12×1.5 | 3–6.5 | 6.5 | 12 | 17 | 14 |
| M16×1.5 | 4–8 | 8 | 16 | 19 | 18 |
| M20×1.5 | 6–12 | 8 | 20 | 21 | 22 |
| M25×1.5 | 11–16 | 9 | 25 | 22 | 24/27 |
| M32×1.5 | 15–22 | 10 | 32 | 29 | 35 |
| M40×1.5 | 18–25 | 11 | 40 | 31 | 40/45 |
| M50×1.5 | 32–38 | 13 | 50 | 37 | 57/55 |
| M63×1.5 | 37–44 | 14 | 63 | 38 | 64/68 |
| Size | Cable Range (mm) | GL (mm) | AG/OD (mm) | H (mm) | Spanner (mm) |
|---|---|---|---|---|---|
| G1/4″ | 3–6.5 | 6.5 | 13.1 | 13.5 | 14 |
| G3/8″ | 4–8 | 8 | 16.6 | 17 | 19 |
| G1/2″ | 6–12 | 8 | 20.9 | 22 | 22/23 |
| G3/4″ | 13–18 | 9 | 26.4 | 25 | 30 |
| G1″ | 18–25 | 10 | 32.2 | 29 | 40 |
| G1-1/4″ | 25–33 | 11 | 41.9 | 35 | 50 |
| G1-1/2″ | 32–38 | 12 | 47.8 | 37 | 57/55 |
| G2″ | 37–44 | 14 | 59.6 | 38 | 65 |
| G2-1/2″ | 42–52 | 16 | 75.1 | 42 | 78 |
| G3″ | 65–70 | 18 | 88 | 45 | 94 |
| Size | Cable Range (mm) | GL (mm) | AG/OD (mm) | H (mm) | Spanner (mm) |
|---|---|---|---|---|---|
| NPT1/4″ | 3–6.5 | 6.5 | 13.1 | 13.5 | 15 |
| NPT3/8″ | 4–8 | 8 | 16.6 | 17 | 19 |
| NPT1/2″ | 6–12 | 8 | 20.9 | 22 | 22/23 |
| NPT3/4″ | 13–18 | 9 | 26.4 | 25 | 30 |
| NPT1″ | 18–25 | 10 | 32.2 | 29 | 40 |
| NPT1-1/4″ | 25–33 | 11 | 41.9 | 35 | 50 |
| NPT1-1/2″ | 32–38 | 12 | 47.8 | 37 | 57/55 |
| NPT2″ | 37–44 | 14 | 59.6 | 38 | 65 |
| NPT2-1/2″ | 42–52 | 16 | 75.1 | 42 | 78 |
Need a size not listed, or a non-standard cable range? We manufacture custom brass cable glands to specification. Send us your requirements and we’ll respond within 24 hours.
How to Choose the Right Brass Cable Gland
Five things to confirm before you order — these are the questions we ask every new customer to make sure they get the right gland first time.
01
Is brass the right material for your environment?
Nickel plated brass cable glands are the right choice for most industrial, outdoor, and panel installations. If you’re in continuous salt water, aggressive chemicals, or need a non-conductive body — consider stainless steel or nylon instead. For everything else, brass is the industry standard.
02
Armoured or unarmoured cable?
If your cable has steel wire armour (SWA) or braid shielding, you need our double compression brass cable gland — it terminates the armour and seals the sheath in one fitting. For unarmoured or flexible cables, our standard single compression gland is sufficient.
03
Confirm your thread standard
PG for Europe and Asia, metric for global ISO installations, BSP/G for UK and Commonwealth markets, NPT for the US and Canada. The thread must match your enclosure knockout — not the cable. Check your enclosure datasheet first.
04
Match cable OD to the cable range
Your cable’s outer diameter must fall within the gland’s stated cable range. Use the size chart above — or send us your cable spec and we’ll confirm the right size. Getting this wrong is the most common reason for a gland that won’t seal properly.
05
Do you need EMC shielding?
If your installation uses shielded cables and requires electromagnetic compatibility — in automation, telecoms, or any sensitive signal environment — specify our EMC brass cable gland with 360° bonding ring. Standard glands don’t provide this.
Where Our Brass Cable Glands Are Used
Here are the most common environments we supply into — and what we’d typically recommend for each.
Industrial Control Panels
Nickel plated brass IP68 in PG or metric — the standard specification for MCC panels, switchgear, and distribution boards worldwide. Mechanical strength and conductivity make brass the default choice for panel builders.
Oil & Gas / Hazardous Areas
Double compression brass for armoured cable entry in refineries, chemical plants, and offshore platforms. For Zone 1/2 classified areas, see our explosion-proof cable gland range with ATEX/IECEx certification.
Confirm your thread standardMarine & Offshore
Brass IP68 with nickel plating for general shipboard electrical installations — navigation enclosures, engine room equipment, deck lighting. For extreme salt air exposure, our 316 stainless steel range is the alternative.
Automation & Machinery
EMC brass cable glands for servo drives, PLCs, and robot arms using shielded signal cables. The conductive brass body provides the 360° bonding path that nylon glands cannot.
Building & Infrastructure
Brass PG or metric IP65/IP68 for external lighting, commercial buildings, transport infrastructure, and utility enclosures. Available in bulk across mixed sizes — common for large M&E contractors and electrical wholesalers.
OEM Equipment Manufacturing
Custom brass cable glands — specific finishes, non-standard cable ranges, private label — for OEM manufacturers who specify our glands into their equipment builds. Factory-direct, consistent batch to batch, full documentation.
Why Source Brass Cable Glands from Difvan?
We manufacture — no agents, no markups
As a brass cable gland manufacturer and direct exporter, everything is machined and assembled in our own factory in Yueqing, China. You deal with the people making your order — not a trading company in between.
44 sizes across 4 thread standards — in stock
From PG7 to G3″, across PG, metric, BSP, and NPT — we stock the full range. For distributors and wholesalers who supply multiple markets, one supplier for all thread standards simplifies your supply chain.
Bulk, wholesale & OEM supply as standard
Whether you need a mixed sample order across sizes or a standing bulk brass cable gland supply arrangement — lead times, MOQs, and custom labelling are all confirmed at the quotation stage. No surprises on delivery.
Need Brass Cable Glands from a Trusted Manufacturer?
Whether you’re a distributor building out your product range, a wholesaler looking for a reliable bulk brass cable gland supplier, or a contractor pricing a project — tell us your thread standard, cable size, quantity, and any specific requirements, and we’ll come back with factory pricing and lead time within 24 hours. We’ve been exporting brass cable glands to buyers in 50+ countries for over 25 years — and we’re always happy to help you spec it right before you order.
Questions We Get Asked About Brass Cable Glands
Common questions from distributors, OEM buyers, and electrical engineers sourcing cable glands from Difvan.
What is the difference between single compression and double compression brass cable glands?
A single compression brass cable gland has one sealing point — it compresses against the cable’s outer sheath and is suitable for unarmoured cables. A double compression brass cable gland has two sealing points — one on the outer sheath and one on the armour layer — providing armour termination, earthing continuity, and enhanced ingress protection. If your cable has SWA armour or braid shielding, always specify double compression.
Why is nickel plating used on brass cable glands?
Brass alone can oxidise and tarnish in humid or outdoor environments. Nickel plating gives the gland a harder, more corrosion-resistant surface — extending its service life in outdoor, coastal, and industrial environments. It also provides a consistent silver finish that remains conductive for EMC earthing purposes. Our standard finish is nickel plated brass across the full range — zinc plating is available on request for specific applications.
Can I get a brass cable gland price list or bulk pricing?
We don’t publish a fixed brass cable gland price list because pricing depends on size, quantity, thread standard, and delivery destination — and bulk orders always receive tiered pricing. The fastest way to get pricing is to send us your list of sizes and quantities and we’ll respond with a factory-direct quote within 24 hours. For distributors and wholesalers placing regular orders, we can set up an account with agreed pricing.
Do your brass cable glands come with CE and RoHS certification?
Yes — all Difvan brass cable glands carry CE marking and are RoHS compliant. Certificates of conformity and test reports are available with every order — we don’t charge extra for documentation. For bulk buyers and importers, we can also provide country-of-origin certificates and any other customs documentation your procurement team requires.
Can we get a sample order of brass cable glands before committing to bulk?
Absolutely — and we’d actually encourage it. Before placing a large bulk order, it makes sense to test our brass cable glands against your cables, enclosures, and installation conditions. We supply sample orders with no minimum quantity requirement — just tell us the sizes and thread standards you need. Once you’ve confirmed the samples meet your specification, we move to bulk production with the same tooling and materials. There are no surprises between your sample and your first delivery.
We supply to multiple markets — can you supply brass cable glands in different thread standards on the same bulk order?
Yes — this is one of the most common requests we get from distributors and electrical wholesalers who supply across multiple regions. We can combine PG, metric, BSP/G, and NPT thread sizes in a single shipment. Just send us your full bill of materials with quantities per size and thread type — we’ll quote the entire order at once and consolidate everything into one delivery. No need to place separate orders with separate suppliers for different markets.
How do you ensure the quality of brass cable glands stays consistent across repeat bulk orders?
This is something every serious distributor should ask before placing repeat orders — and it’s exactly the right question. At Difvan, every production batch goes through in-process dimensional checks, IP rating verification to IEC 60529, and pull-out force testing to IEC 60670-22. We maintain batch traceability records for every order — so if you ever receive a batch that doesn’t match your previous delivery, we can trace exactly where it came from and resolve it. For large or phased orders, we can also arrange third-party inspection by SGS or Bureau Veritas before shipment.
Get In Touch
Contact Difvan Directly
Response within 24 hours. Factory direct — no middlemen.
Factory Address DIFVAN Co., Ltd.
No.1 HongQi Road, Xinguang Industrial Zone,
Liushi, Yueqing, Wenzhou, Zhejiang, China 325603
No.1 HongQi Road, Xinguang Industrial Zone,
Liushi, Yueqing, Wenzhou, Zhejiang, China 325603
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