Plugs

Does your company produce products that specifically require plastic plugs? Well, you're in luck, because Harman Corporation has been designing and creating various forms of plastic caps for decades. Available in numerous sizes, shapes and colors, these applicators are ideal for closing off open ends of tubing gauges and covering holes in sheet metal, coming in handy for numerous paint masking jobs. Whether your upcoming project requires Tapered Plugs and Round Tubing Plugs or Cone Plugs and Pull Plugs, Harman has the plastic cap products to expedite the process and help produce the best products possible.

LDPE Square Tubing Plugs

Information

Square tubing plugs can be used in a variety of applications, such as creating an attractive finish to patio or office furniture. To ensure a tight lock on end products, unique "ribs" are implemented into the design of square tubing plugs to grip tight on the inside, providing a sure fit when accommodating a wide range of tube gauges. Tubing Plugs are extensively in the office and commercial furniture industry as well as display fixtures and similar metal products. The material of our square tubing plugs is low-density polyethylene. Standard color is black.

Material: Low Density Polyethylene 
Application: Provide an Attractive Finish on Patio Furniture & Shelving

Description Square tubing plugs are able to accommodate a wide range of tubing gauges because of the special "ribs" that provide a secure grip on the inside of the tube. Square tubing plugs cap off the end of metal tubing to prevent moisture accumulation and create a finished, clean look.

LDPE Flush Style Plugs

Information

Provides an attractive, finished appearance for access holes in sheet metal. Widely used on automobile bodies, tanks, appliances or in any application where an attractive appearance is needed. Flexible yet durable. Snap-in ring provides a secure fit. Material is low-density polyethylene. Standard color is black.

Material: Low Density Polyethylene 
Application: Provide an Attractive Finish in Sheet Metal Application Such as Automobile Bodies

Description For an appealing and finished look, use flush style plugs. They work well when covering access holes in sheet metal, such as automobile bodies. Plus, flush style plugs easily snap in place and stay secured.

Silicone Cone Plugs

Information

Ideal for masking off holes or studs and surrounding surface for grounding. Their versatile nature allow them to fit over extrusions, threaded studs, PEMS and dowels, as well as be used as a plug for tapped holes, irregular contours and threaded holes. Will withstand 315 Celesius / 600 Farenheit.

Material: Silicone 
Application: Recommended to Mask Threaded and Non-Threaded Holes and Grounding Area

Description Cone plugs will mask threaded and non-threaded holes but also double to mask studs. The edge of the cone plug will mask the surrounding area of the hole for grounding purposes. They are great to use when powder coating.

LDPE Round Tubing Plugs

Information

Round tubing plugs can be used in a variety of applications, such as creating an attractive finish to patio or office furniture. To ensure a tight lock on end products, unique "ribs" are implemented into the design of round tubing plugs to grip tight on the inside, providing a sure fit when accommodating a wide range of tube gauges. Tubing Plugs are extensively in the office and commercial furniture industry as well as display fixtures and similar metal products. The material of our round tubing plugs is low-density polyethylene. Standard color is black.

Material: Low Density Polyethylene 
Application: Provide an Attractive Finish on Patio Furniture & Shelving

Description Made from low-density polyethylene, round tubing plugs create a crisp, finished look at the end of any tubing. Round tubing plugs are excellent for uses around the home, including capping off patio furniture or other exposed tubing. The standard color is black, but Harman can customize these products according to your needs.

LDPE Recessed Style Plugs

Information

Provides an attractive, finished appearance for access holes in sheet metal. Widely used on automobile bodies, tanks, appliances or in any application where an attractive appearance is needed. Flexible yet durable. Snap-in ring provides a secure fit. Material is low-density polyethylene. Standard color is black.

Material: Low Density Polyethylene 
Application: Provide an Attractive Finish in Sheet Metal Application Such as Automobile Bodies

Description Recessed style plugs are similar to flush style plugs; however, the middle of the plug is recessed, providing a different finished look. Although the recessed style plugs are used on mostly the same applications as flush style plugs, they create a hollow finish.

LDPE Tapered Cap Plugs

Information

The tapered design of this product allows them to function as both Cap and Plug. For caps, the "C" Dimension must be at least .020" less than the diameter to be capped. For plugs, the "B" dimension must be at least .020" greater than opening. Heat resistance, 180-200 Farhenheit.

Material: Low Density Polyethylene 
Application: Cap or Plug Used for Thread Protection

Description Tapered plugs have a convenient design which allows them to function as both a plug on one end of the part, and a cap on the other end. These tapered plugs can be used on parts as thread protection during finishing processes, and to keep debris out.

LDPE Rectangular Tubing Plugs

Information

Rectangular tubing plugs can be used in a variety of applications, such as creating an attractive finish to patio or office furniture. To ensure a tight lock on end products, unique "ribs" are implemented into the design of rectangular tubing plugs to grip tight on the inside, providing a sure fit when accommodating a wide range of tube gauges. Tubing Plugs are extensively in the office and commercial furniture industry as well as display fixtures and similar metal products. The material of our rectangular tubing plugs is low-density polyethylene. Standard color is black

Material: Low Density Polyethylene 
Application: Provide an Attractive Finish on Patio Furniture & Shelving

Description Similar to the round tubing plugs, rectangle tubing plugs function the same way and provide the same uses. The rectangle tubing plugs are grooved, allowing it to grip tightly to the inside of the tube. These are often used in the commercial furniture industry, and are durable enough to stand up to rubbing against rough surfaces and other abuse.

Silicone Flangeless Masking Plugs

Information

Harman's line of Silicone Flangeless Masking Plugs is specifically designed to mask threaded holes, including the top thread, without masking the surrounding area. The tapered ribs and hollow core allow for many different size holes to be masked, regardless of the thread pitch. Will withstand 315 Celsius / 600 Fahrenheit.

Material: Silicone 
Application: Protects Threaded Holes (Including The Top Thread) Without Masking The Surrounding Area

Description When you're painting, plating powder coating or anodizing, these rubber silicone flangeless products are specifically designed to mask threaded holes and not the surrounding area. The tapered ribs and hollow core allow for many different uses on holes of various sizes, regardless of the thread pitch.

Silicone Washer Plugs

Information

Intended for use during powder coating where an area around the hole requires masking. The plugs are double ended for versatility, ease of fitting and removal. Withstands temperatures to 315 Celsius / 600 Fahrenheit. Can be Reused. Material is Silicone

Material: Silicone 
Application: Recommended to Mask Grounding Area Around Threaded or Non-Threaded Holes

Description Designed from sturdy silicone rubber, these washer plugs are intended for use during high-temperature powder coating processes, when masking is needed around a hole for grounding purposes. Plus, these reusable plugs are double-ended for versatility, ease of fitting and removal.

LDPE Domed Tubing Plugs

Information

Featuring the same design as the Rectangular Insert Plugs except with a domed finish. Used in a variety of applications to create an attractive finish to metal furnishings. Material is low-density polyethylene. Standard color is black

Material: Low Density Polyethylene 
Application: Provide an Attractive Finish on Patio Furniture & Shelving

Description The domed tubing plugs provide the same functions as rectangle tubing plugs; however, the dome shape of these plugs create a more unique, domed look at the end of the tubing. These domed tubing plugs are also equipped with the unique "ribs" to provide extra grip.

Silicone Pull Plugs

Information

Recommended for masking holes when hole can be reached from both sides when powder coating. Withstands temperatures to 315 Celsius / 600 Fahrenheit. Material: Silicone. Also available in Epdm

Material: Silicone 
Application: Ideal for Plugging Both Threaded and Non-Threaded Holes

Description Manufactured to enhance powder-coating, e-coating, plating and anodizing practices, these high-temperature heat-resistant silicone pull plugs are specifically built to plug both threaded and unthreaded holes when suchs holes can be reached from both sides during process. Multiple sizes available.

Vinyl HP Series Plugs

Information

HP Series Plugs ensure easy removal without use of tools. Simply pull the tab. The snug conforming fit HP plastic plugs offers ensures they won't pop out during shipping, painting and manufacturing. Harman plastic plugs are ideal for: Masking from Painting and Plating, Dust & Moisture Protectors and Thread protectors. Standard Color is Red however plugs are available in any color.

Does your product require a specific look or feel? Harman Corp offers various high quality finishes on many of our products, including High GlossSoft TextureMatte and Double Dip. If your product needs a specific finishing solution, call our knowledgeable sales staff at 248-651-4477 for availability.

Material: Polyvinyl Chloride / PVC 
Application: Protect Internal Threads

Description These durable plastic plugs are easy to remove without tools, just pull the tab to release the plug. These types of plastic plugs are designed to mask parts during the finishing processes, such as painting. They will also protect parts from dust and moisture.

Nylon 6/6 Dome Plugs

Information

Closes unneeded holes in chassis or other surfaces. Locks firmly into chassis or surface up to 1/8" thick with quick and easy installation. Convex matte-finish head tapers to thin edge. Material is Nylon 6. Standard color is black. White is available upon request. Approximate Head Thickness: 0.063" (Thickness may vary.) A Variety of Metal Thickness availabe on certain sizes.

Material: Nylon 6/6 
Application: Provide an Attractive Finish in Sheet Metal Application Such as Automobile Bodies

Description Dome plugs are made with a matte-finish head. These dome plugs will lock into metal up to 1/8" thick, and can be easily instillation and tapered to a very thin edge. They are best for closing unnecessary holes in products such as chassis.