Cable Gland Enlarger Metal Expanding Ring IP66 IP68 M/G/NPT Types

What Is A Cable Gland Enlarger?

cable gland enlarger is a special tool. It helps you fit cables into holes that are too big. Think of it like when your shoes are too big and you need socks to make them fit better! Our cable gland enlargers do the same for wires.

Why You Need Cable Gland Enlargers

  • Make small things fit big holes
  • Keep water and dust out
  • Help wires stay safe
  • Save money – no need to buy new parts!

What Our Cable Gland Enlargers Are Made Of

We make our enlargers from two main things:

Plastic Ones (Nylon 66)

  • Super light and easy to use
  • Won’t rust or get yucky
  • Can handle heat from -40°C to +120°C
  • Good for most normal places

Metal Ones (Nickel-Plated Brass)

  • Super strong and last longer
  • Look shiny and professional
  • Can handle heat from -40°C to +100°C (and up to 120°C for a short time)
  • Great for tough jobs

Where To Use Our Enlargers

Our cable gland adaptors, reducers & enlargers work in lots of places:

  1. Wire and cable jobs where you need to make cables fit right
  2. Outdoor spots where rain and sun can hurt wires
  3. Boats and sea stuff that get wet with salt water
  4. Big machines that shake and move a lot
  5. Hot and cold places where the weather changes a lot

Cool Things About Our Enlargers

They Fight Bad Stuff!

Our enlargers say “NO!” to:

  • Salt water
  • Weak acids
  • Oils
  • Solvents

They Come In Many Sizes!

We have all these thread types:

  • Metric
  • PG
  • G (PF)
  • NPT

This means they will fit with most brands like Hawke and CMP!

They Keep You Safe!

Some of our enlargers are ATEX-certified. This means they won’t cause sparks in places with gas or chemicals. That’s super important!

How Our Enlargers Help You

ProblemHow Our Enlarger Helps
Hole too big for your cableMakes the connection just right
Water might get inSpecial rubber rings keep water out
Things might come looseAnti-loosening tooth design holds tight
Old systems need new wiresFix it without buying all new stuff

Types of Cable Gland Enlargers We Make

For Normal Places

Our plastic water proof cable gland enlargers work great in:

  • Houses
  • Offices
  • Normal factories
  • Places that are dry most of the time

For Tough Places

Our metal water proof cable gland enlargers work great in:

  • Oil rigs
  • Chemical plants
  • Places near the ocean
  • Very hot or cold spots

How To Choose The Right Enlarger

  1. Check where you’ll use it
    • Inside or outside?
    • Wet or dry?
    • Hot or cold?
  2. Measure your threads
    • How big is your hole now?
    • How big does it need to be?
  3. Pick your material
    • Plastic for normal use
    • Metal for tough jobs

Special Features You’ll Love

  • IP68/IP69K sealing keeps water out even when sprayed with strong hoses!
  • O-rings make sure nothing leaks
  • Anti-corrosion materials so they don’t get rusty
  • Tooth flange design so they don’t come loose

Great With Our Other Products

Our cable gland enlargers work great with our other products:

  1. Multi hole cable gland – When you have lots of wires to manage
  2. Junction box – To keep all your connections safe

We Can Make Special Ones Just For You!

Don’t see what you need? No problem! We do custom and OEM/ODM work too.

Tell us what you need and we can make it:

  • Special sizes
  • Fun colors
  • Weird shapes
  • Extra strong materials

Why People Love Our Enlargers

  • “They saved me so much money! I didn’t have to redo my whole system.” – Factory Manager
  • “So easy to use! Even I could do it!” – Home DIY Fan
  • “They keep water out even in the rain!” – Outdoor Equipment Installer

Get The Right Fit Today!

Don’t let the wrong size hole stop your project! Our cable gland enlargers make everything fit just right.

Call us today or check out our website to find the perfect enlarger for your job!


Need help picking the right one? Our team is ready to help!

Email: [email protected] Phone: +86 137 7301 8938

Inquiry

Inquiry form

Specification

● Thread Specification: M/NPT/G
● Material: Brass with nickel plating
● Working Temperature: Static -40°C to 100°C, instantaneous heat resistance up to 120°C
● Product Features: Waterproof, dustproof, salt-resistant, acid and alkali-resistant, resistant to alcohol, grease, and general solvents

Technical Parameters
M Thread Specifications
Internal ThreadExternal ThreadExternal Thread Length (mm)Total Length (mm)Spanner Size A & E (mm)
M12×1.5M16×1.562018
M12×1.5M20×1.562022
M16×1.5M20×1.562022
M16×1.5M25×1.562327
M18×1.5M20×1.56.52222
M20×1.5M24×1.572327
M20×1.5M25×1.582327
M20×1.5M32×1.572235
M24×1.5M27×2.072530
M24×1.5M30×2.072532
M25×1.5M30×2.082332
M25×1.5M32×1.592535
M25×1.5M40×1.582545
M27×1.5M36×2.082440
M32×1.5M40×1.592645
M32×1.5M50×1.592655
M36×1.5M48×2.092650
M40×1.5M50×1.5102755
M40×1.5M63×1.5102868
M48×1.5M64×2.0102868
M50×1.5M63×1.5102968
M63×1.5M72×2.0102978
NPT Thread Specifications
Internal Thread (NPT)External Thread (NPT)External Thread Length (mm)Total Length (mm)Spanner Size (mm)
1/4″3/8″72120
3/8″1/2″72124
1/2″3/4″72130
1/2″1″72135
3/4″1″72135
1″1-1/4″92445
1″1-1/2″92655
1-1/4″1-1/2″92655
1/4″2″102864
1/2″2″102864
G Thread Specifications
Internal Thread (G)External Thread (G)External Thread Length (mm)Total Length (mm)Spanner Size (mm)
G1/4″G3/8″72120
G3/8″G1/2″72124
G1/2″G3/4″72130
G1/2″G1″72135
G3/4″G1″72135
G1″G1-1/4″92445
G1″G1-1/2″92655
G1-1/4″G1-1/2″92655
G1-1/4″G2″102864
G1-1/2″G2″102864

Frequently Asked Questions About Cable Gland

What is the MOQ that can be ordered about the custom cable gland?

We have not set a minimum MOQ, we customize products according to customer needs. In theory, we can meet different MOQ requirements of customers, but different MOQs will have different costs.

What is the lead time for batch production?

Normally our lead time is 1~2 weeks for batch production. For urgent case, we can improve it in 3~7 days.

Which details are necessary to provide in order to obtain a price estimate?

We do need the dimention, colour, thread, material, certification, and more applications will be helpful.

What certificates do you have?

We have CE, TUV and UL certificates. 

May I receive some examples?

Certainly, we can supply you the free standard samples according your requirement.

Get a Free Quote

Please send your detailed request, our sales team will reply to you in 30 mins. All of your information will be protected by us.

Popup Form