MAKERELE Cord Grip Cable Glands Kit for Electrical Box NPT Waterproof Nylon Strain Relief 1/4” 3/8” 1/2” 3/4” 1” 1-1/4” 50pcs Junction case Connector Black With Gaskets

MAKERELE Cord Grip Cable Glands Kit for Electrical Box NPT Waterproof Nylon Strain Relief 1/4” 3/8” 1/2” 3/4” 1” 1-1/4” 50pcs Junction case Connector Black With Gaskets

Q: Why does 1/2 npt require hole size of 21.5 mm or .84" ? such confusing specs/statements abound

NPT or National Pipe Thread Standard sizes can be a bit confusing. 1/2" NPT is not 1/2" diameter. Nor is it the I.D. as others have stated. Hole size will always be greater than the NPT nominal diameter callout.

Q: what is the length of the threaded portion of these glands (useable with nuts) how thick of a mounting surface can these be used on.

Only good for a standard electrical box or about a1/8 th of an inch. For some of my thicker boxes I did tap the with a pipe thread so they would screw in.

Q: Why is the cable range of the 1 1/4 inch (~32mm) listed as max range 25mm?

I believe that if you go to the manufactures web site,that maybe the biggest cable gland that they make. There are other manufactures that make cable glands in larger sizes.

Q: what size do I need for a hole that is 3/8 inch in diameter

Your question needs more information. I believe you are saying is that your 3/8" cable,coax or tubing is that size of 3/8" correct? Now the hole size for the Makerele NPT Cable Gland Kit for 3/8" needs to be 5/8" or .625 in.,the Gland thread end is a little bigger in size of .630 in.,that is .005 larger than 5/8",so you will be fine there. It will fit,due to the plastic of the threads.

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Product ID: 288448662

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💧IP68 waterproof

🔌50pcs variety

⚙️Easy installation

Frequently Bought Together

MAKERELE Cord Grip Cable Glands Kit for Electrical Box NPT Waterproof Nylon Strain Relief 1/4” 3/8” 1/2” 3/4” 1” 1-1/4” 50pcs Junction case Connector Black With Gaskets

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Description

🔧 Elevate Your Electrical Game with Ease!

HASSLE FREE SETUP - Quick installation with no disassembly required—just thread and tighten!
ULTIMATE PROTECTION - IP68 rating ensures waterproof and chemical resistance for any environment.
UNMATCHED DURABILITY - Crafted from high-quality nylon PA66 for long-lasting performance.
VERSATILE ADAPTABILITY - With 50 pieces in 6 sizes, this kit meets all your project needs!
WIDE CABLE COMPATIBILITY - Accommodates cables ranging from 0.10 to 1.2 inches.

The MAKERELE Cord Grip Cable Glands Kit includes 50 high-quality nylon PA66 cable glands in various sizes, designed for waterproof and durable performance. With an IP68 rating, these connectors are perfect for both indoor and outdoor applications, ensuring reliable protection against water and chemicals. Easy to install, this kit is ideal for professionals looking to streamline their electrical projects.

Specifications

Manufacturer	Yueqing Maker electric Co.,ltd
Item Weight	1.86 pounds
Product Dimensions	10.83 x 6.5 x 2.17 inches
Item model number	NPT(50)Box6A-B
Is Discontinued By Manufacturer	No
Size	50pcs KIT BOX
Color	Black
Material	nylon
Batteries Included?	No
Batteries Required?	No

Have a Question? See What Others Asked

Why does 1/2 npt require hole size of 21.5 mm or .84" ? such confusing specs/statements abound

what is the length of the threaded portion of these glands (useable with nuts) how thick of a mounting surface can these be used on.

Why is the cable range of the 1 1/4 inch (~32mm) listed as max range 25mm?

what size do I need for a hole that is 3/8 inch in diameter

Common Questions

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Fast shipping and excellent packaging. The Leatherman tool feels very premium and sturdy.

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Excellent communication throughout the order process. Product is perfect.

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Trustpilot

TrustScore 4.5 | 7,300+ reviews

Yusuf A.

Fantastic experience overall. Will recommend to friends and family.

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Anjali K.

The product quality is outstanding. Exactly what I needed for my work.

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