Selecting the correct extended neck washer grommets is crucial for ensuring a watertight seal and preventing leaks in your plumbing system. These specialized components are designed to accommodate thicker pipes or fittings, offering enhanced flexibility and durability where standard grommets might fall short. Investing in quality grommets can save you from costly repairs and water damage down the line.
Looking for the best Extended Neck Washer Grommets?
Discover now our comparison of the best Extended Neck Washer Grommets. It is never easy to choose from the wide range of offers. On the market, you will find an incalculable number of models, all at different prices. And as you will discover, the best Extended Neck Washer Grommets are not always the ones at the highest prices! Many criteria are used, and they make the richness and relevance of this comparison.
To help you make the best choice among the hundreds of products available, we have decided to offer you a comparison of the Extended Neck Washer Grommets in order to find the best quality/price ratio. In this ranking, you will find products listed according to their price, but also their characteristics and the opinions of other customers. Also discover our comparisons by categories. You won’t have to choose your products at random anymore.
No. 1
Stimpson 0GNWB1440 Sheet Metal Grommet and Neck Washer Brass Durable, Reliable, Heavy-Duty #0 Set (1,440 Sets)
- DIMENSIONS IN INCHES: Hole Size: 1/4 Flange Diameter: .545 Length Under Flange: .175 Metal Thickness: .012 Flange Diameter: .531 Length Under Flange: .100 Metal Thickness: .010
- HIGH QUALITY - All products are rigorously inspected in-house to yield near-zero defect rates.
- RICH HISTORY - Founded in 1852, Stimpson produces the largest variety of standard and special eyelets, grommets, washers and hole plugs of any single company in the world.
- Finishes: Plain Brass, Dull Black Chemical Finish and Nickel Plated
- Industries: Industrial Fabrics, Commercial Printing & Signage, Marine, and more
No. 2
Stimpson 00GNWB1440 Sheet Metal Grommet and Neck Washer Brass Durable, Reliable, Heavy-Duty #00 Set...
- DIMENSIONS IN INCHES: Hole Size: 3/16 Flange Diameter: .425 Length Under Flange: .135 Metal Thickness: .009 Flanger Diameter: .425 Length Under Flange: .125 Metal Thickness: .010
- HIGH QUALITY - All products are rigorously inspected in-house to yield near-zero defect rates.
- RICH HISTORY - Founded in 1852, Stimpson produces the largest variety of standard and special eyelets, grommets, washers and hole plugs of any single company in the world.
- Finishes: Plain Brass, Dull Black Chemical Finish and Nickel Plated
- Industries: Industrial Fabrics, Commercial Printing & Signage, Marine, and more
No. 3
Stimpson 00GNWBDBC1440 Sheet Metal Grommet and Neck Washer Dull Black Oxide Durable, Reliable, Heavy-Duty...
- DIMENSIONS IN INCHES: Hole Size: 3/16 Flange Diameter: .425 Length Under Flange: .135 Metal Thickness: .009 Flanger Diameter: .425 Length Under Flange: ..125 Metal Thickness: .010
- HIGH QUALITY - All products are rigorously inspected in-house to yield near-zero defect rates.
- RICH HISTORY - Founded in 1852, Stimpson produces the largest variety of standard and special eyelets, grommets, washers and hole plugs of any single company in the world.
- Finishes: Plain Brass, Dull Black Chemical Finish and Nickel Plated
- Industries: Industrial Fabrics, Commercial Printing & Signage, Marine, and more
No. 4
Aexit 100 Pcs Grommets Insulation Bushing Washer for Extended Neck Washer Grommets TO-220 Transistor
- Product Name : Transistor Insulation Washer;For : TO-220 Transistor
- Size : Hole Dia.: 3mm / 0.1";Total Dia. : 6.1mm / 0.2" : Total Dia. : 6.1mm / 0.2"
- Total Height: 3mm / 0.1" : Total Height: 3mm / 0.1";Material : N66 V-0 Plastic
- Color : White;Weight : 10g
- Package Content : 100 Pcs ( ±2%) x Transistor Insulation Washer
No. 5
Aexit 2000Pcs Insulation Grommets Bushing Washer for Extended Neck Washer Grommets TO-220 Transistor
- Product Name : Transistor Insulation Washer; For : TO-220 Transistor
- Size : Hole Dia.: 3mm / 0.1"; Total Dia. : 6.1mm / 0.2"; Total Height: 3mm / 0.1"; Material : N66 V-0 Plastic
- Color : White
- Weight : 102g
- Package Content : 2000 Pcs x Transistor Insulation Washer
No. 6
Aexit 1000Pcs Silicon Grommets Thermal Conductive Gap Filler Extended Neck Washer Grommets Pad Sheet
- Product Name : Silicon Thermal Pad Sheet; Model : TO-220
- Material : Silicon; Color : Gray
- Each Size : 1.9 x 1.3 x 0.03 cm / 0.7" x 0.5" x 0.01 (L x W x T); Hole Diameter : 3mm / 0.1"
- Weight : 157g
- Package Content : 1000 Pcs x Silicon Thermal Pad Sheet
No. 7
Aexit 50 x Grommets 3mm Inner Diameter Transistor Insulation Extended Neck Washer Grommets Bushing TO-220
- Product Name : Transistor Insulation Washer;For : TO-220 Transistor
- Size : Hole Dia.: 3mm / 0.1";Total Dia. : 6.1mm / 0.2" : Total Dia. : 6.1mm / 0.2"
- Total Height: 3mm / 0.1" : Total Height: 3mm / 0.1";Material : N66 V-0 Plastic
- Color : White;Weight : 5g
- Package Content : 50 Pcs ( ±2%) x Transistor Insulation Washer
No. 8
Stimpson SPGW2B500 Self-Piercing Grommet and Washer Set – Ideal for Indoor and Outdoor Sign & Banner...
- Dimensions in Inches: Featuring a 3/8 hole size, 0.750 flange diameter, 0.200 length under the flange, 0.015 metal thickness, 0.437 inside diameter, 0.770 outside diameter, and 0.011 metal thickness, these heavy-duty brass grommets are ideal for fabric...
- High Quality: Crafted from durable brass with rigorous in-house inspections, these grommet and washer sets ensure near-zero defect rates, making them reliable for industrial, marine, and repair applications.
- Expertise Since 1852: Backed by a rich history, Stimpson provides extensive experience in creating grommets, eyelets, washers, and hole punches for professionals in commercial printing & signage, marine, industrial fabrics, and hardware-making industries.
- Versatile Applications Across Projects: Ideal for leatherwork, flag making, tarp repair, and purse hardware, these grommets are suitable for punching holes in various materials like fabric, tarps, and more.
- Multiple Durable Finishes Available: Designed for heavy-duty use, these brass grommets come in plain brass, dull black chemical finishes, and nickel-plated options, ensuring style and durability for any project or repair.
No. 9
Vrupin 188 Pcs Rubber Grommets Kit - Rubber Washers for Wiring - 10 Different Sizes...
- Great Variety of Sizes: 188 Pcs of the most commonly used sizes assorted rubber grommet assortment kit.
- High Quality: Rubber washers are made of flexible and durable rubber material, they are of good electric resistance capability.
- Easy To Use: Wire grommets are quicker and easier to install since they can be placed on one side only.
- Wide Range of Applications: Very useful for auto and other projects where wiring cable needs to be run through metal or plastic openings.
- Packaging Includes: 1/4" (40pcs), 5/16" (40pcs), 3/8" (40pcs), 7/16" (25pcs), 1/2" (20pcs), 5/8" (5pcs), 7/8" (10pcs-(5pcs closed Gasket+5pcs Eyelet Ring Gasket)), 1" (8pcs-(5pcs Eyelet Ring Gasket+3pcs closed Gasket)).
No. 10
Stimpson ESPGW2XLSS500 Self-Piercing Grommet and Washer Stainless Steel Reliable, Durable, Heavy-Duty #2XL Set...
- DIMENSIONS IN INCHES: Hole Size: 3/8 Flange Diameter: .750 Length Under Flange: .500 Metal Thickness: .012 Inside Diameter: .437 Outside Diameter: .770 Metal Thickness: .010
- HIGH QUALITY - All products are rigorously inspected in-house to yield near-zero defect rates.
- RICH HISTORY - Founded in 1852, Stimpson produces the largest variety of standard and special eyelets, grommets, washers and hole plugs of any single company in the world.
- Industries: Industrial Fabrics, Commercial Printing & Signage, Marine, and more
- Technical Note: Setting your self-piercing grommet and washer is easy with Stimpson’s corresponding 405 Bench Press or the 405/479 tooling
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Last update on 2026-04-16 / Affiliate links / Images from Amazon Product Advertising API
How to Choose the Best Extended Neck Washer Grommets
Understanding Extended Neck Washer Grommets
Extended neck washer grommets are designed to provide a more robust and secure seal than standard grommets, particularly in applications involving thicker materials or where additional clearance is needed. Their longer neck allows them to seat more deeply into the surrounding material, creating a superior barrier against water or other fluids. They are commonly found in various plumbing fixtures, appliances, and industrial equipment where reliable sealing is paramount.Key Features to Consider
- Material: Grommets are typically made from rubber, EPDM, neoprene, or silicone. The material choice impacts flexibility, temperature resistance, and chemical compatibility. EPDM is often preferred for its excellent weather and water resistance, while silicone offers a wider temperature range.
- Size and Dimensions: Measure the diameter of the hole you need to seal and the diameter of the pipe or component passing through it. Grommets are specified by their inner diameter (for the pipe), outer diameter (for the hole), and neck length. Ensure the extended neck length is sufficient for your specific application.
- Durometer (Hardness): This measures the rubber's hardness and affects its sealing ability and durability. A higher durometer generally means a harder, more rigid grommet, while a lower durometer indicates greater flexibility.
- Shape: While most are circular, some specialized applications might require different shapes. Ensure the grommet's profile matches the contour of your installation for optimal contact.
Installation Tips
Proper installation is key to the grommet's effectiveness. Ensure the hole is clean and free of debris before inserting the grommet. A small amount of lubricant compatible with the grommet material can ease insertion and prevent tearing. Once inserted, ensure the grommet is seated evenly and creates a tight fit around the passing component.Frequently Asked Questions
What is the main advantage of an extended neck grommet?
The primary advantage of an extended neck grommet is its ability to create a more secure and deeper seal. This is especially beneficial for thicker pipes, materials, or applications requiring extra clearance and a more robust barrier against leaks.
How do I determine the correct size grommet?
You'll need to measure the diameter of the hole the grommet will fit into and the diameter of the pipe or component that will pass through it. Also, consider the required length of the neck for your specific application.
What materials are commonly used for these grommets?
Common materials include EPDM, neoprene, and silicone. EPDM offers good resistance to weathering and water, while silicone provides a broader temperature tolerance and flexibility.
Can I use a standard grommet if an extended neck one isn't available?
It is generally not recommended to substitute a standard grommet for an extended neck one if the application specifically calls for the latter. The extended neck provides crucial clearance and sealing depth that a standard grommet cannot match, potentially leading to leaks.
How should I clean grommets before installation?
Clean the grommet with mild soap and water, ensuring all residue is rinsed off. Allow it to dry completely before installation. Avoid using harsh chemicals or solvents that could degrade the material.