Sealing & Expansion Plugs

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EIS BALL EXPANSION PLUGS

  • Wide range of English / Metric sizes and materials.
  • Sizes are 0.093" - .875" / 3mm -22mm diameters.
  • Materials include Stainless steel, steel and aluminum materials.
Bolt Products’ sealing and expansion plugs are closure plugs that come in a variety of materials and are used to quickly and safely seal and close boreholes and fluid technology channels without the need for extra sealants. These plugs can be disassembled, if necessary, but they are appropriate for permanent closure and sealing. Hydraulic systems, engine building, gear construction, fixture construction, and other industrial areas are only a few of the many uses for them.

Several stock variants are available in our wide range of products:
 

EIS-11  Steel Plug  with Steel Ball                                                                                                                  METRIC     INCH     INCH SHORT

EIS-31 Stainless Steel Plug with Steel Ball                                                                                                   METRIC     INCH     INCH SHORT

EIS-33 Stainless Steel Plug with Stainless Steel Ball                                                                                  METRIC     INCH     INCH SHORT

EIS-34 Stainless Steel Plug with Stainless Steel Ball                                                                                  METRIC     INCH     INCH SHORT

EIS-53 Aluminum Steel Plug with Stainless Steel Ball                                                                               METRIC     INCH     INCH SHORT

EIS-88 316 Stainless Steel Plug with 316 Stainless Steel Ball                                                                   METRIC     INCH     INCH SHORT
 

EIS-RS RIVET EXPANSION PLUGS

Install into an as drilled hole 4mm - 10mm diameters. 
Two standard lengths.

EIS-RST PULLPLUGS

  • Patent pending* available in stainless steel, steel, and aluminum materials.

  • Quickly installs into any depth in as drilled holes.

  • Many sizes and materials are available.

EIS-B BLOCKER / TAPERED SEALING PLUGS

  • A low pressure press-in plug for as cast holes.

  • Press in and stake, special sizes and materials are available.

 

• 20 Years of Insert Experience                   • Certified ISO/TS 16949-2009                         • IATF 16949-2016 Certificate            • RoHS Compliant

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How do Sealing and Expansion Plugs Work?

Sealing and expansion plugs operate on a simple yet ingenious principle of mechanical expansion, utilizing the combined forces of friction and pressure to secure materials firmly in place. Here's a detailed explanation of the process:

Initial Placement: To begin, a pre-drilled hole is made into the base material, such as concrete, brick, or masonry, where the Sealing and expansion plug will be installed. The diameter and depth of the hole are typically matched to the specifications of the plug being used.

Insertion of the Plug: Once the hole is prepared, the expansion plug is inserted into the hole with the threaded bolt protruding from one end. The plug is carefully positioned to ensure proper alignment and fit within the hole.

Tightening the Bolt: With the plug inserted, the threaded bolt extending from the plug's body is then tightened using a wrench or similar tool. As the bolt is turned clockwise, it applies axial force to the plug, causing it to compress longitudinally.

Expansion of the Plug: As the bolt continues to be tightened, the tapered sleeve or collar within the plug is drawn into the spherical ball at the end of the plug. This action forces the sleeve to expand radially outward, exerting pressure against the inner walls of the pre-drilled hole.

Friction and Pressure: The expansion of the plug creates frictional forces between the plug and the surrounding material, while the pressure exerted by the expanding sleeve creates a wedging effect against the walls of the hole. Together, these forces create a secure and stable anchoring point.

Locking in Place: As the plug reaches its maximum expansion, it effectively locks itself in place within the hole, forming a tight seal that prevents movement or withdrawal. This ensures that the anchored material remains firmly secured, even under significant loads or vibrations.

Final Adjustment: Once the plug is fully expanded and the desired level of tightness is achieved, the excess length of the bolt can be trimmed if necessary. This step ensures a clean and professional finish while maintaining the integrity of the anchoring system.

Advantages of Bolt Products' Sealing and Expansion Plugs

Superior Strength and Durability: Crafted from premium materials and subjected to rigorous quality control measures, Bolt Products' Sealing and expansion plugs are built to last. Their robust construction ensures they can withstand the rigors of construction environments, delivering long-lasting performance you can rely on.

Easy Installation: Time is money in the construction industry, which is why Bolt Products' sealing and expansion plugs are designed for quick and hassle-free installation. With simple tools and minimal effort, you can achieve a secure anchor point in a matter of minutes, saving both time and labor costs.

Versatility: Whether you're anchoring structural components, securing equipment, or installing fixtures, Bolt Products' sealing and expansion plugs offer versatility that meets the diverse needs of construction projects. From small-scale residential projects to large-scale commercial developments, our plugs provide a reliable solution for any application.

Applications of Bolt Products' Expansion Plugs

Construction: In the construction industry, reliability and safety are paramount. Bolt Products' Ball Expansion Plugs are trusted by contractors and builders to secure everything from steel beams and concrete forms to scaffolding and signage, ensuring the structural integrity of buildings and infrastructure projects.

Renovation and Remodeling: Whether you're renovating a residential property or remodeling a commercial space, Bolt Products' Ball Expansion Plugs offer a versatile solution for anchoring fixtures, shelves, and other accessories securely to walls and ceilings. Their robust construction and easy installation make them the go-to choose for renovation projects of any size.

Industrial Applications: In industrial settings, where heavy machinery and equipment are commonplace, reliable anchoring solutions are essential. Bolt Products' Ball Expansion Plugs provide a secure foundation for machinery, conveyor systems, and other equipment, ensuring smooth and efficient operations in manufacturing facilities and warehouses.

Bolt Products' sealing and expansion plugs are the ultimate solution for your anchoring needs in construction. With their superior strength, durability, and ease of installation, they offer unmatched performance and reliability that you can trust. Elevate your construction projects to new heights with Bolt Products' Expansion Plugs and experience the difference quality makes.

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