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Hammond Manufacturing HP300 Hole Plugs

Hammond Manufacturing's P Series hole plugs offer reliable sealing solutions for unused pushbutton holes, conduit openings, and knockout holes, protecting against dust, oil, and water. Crafted from durable steel and stainless steel options, they feature oil-resistant gaskets and are secured with threaded studs and plated wing nuts for easy installation. Available in multiple sizes, these plugs are ideal for electrical enclosures and control panels, ensuring long-lasting protection and maintaining device integrity. Their robust construction and versatile sizing make them essential for industrial and commercial applications requiring environmental sealing.

Authorized Distributors
Source:Newark
Part No:HP300
Stock:2982
Inv Date:06-11-2026
Price: Unit price: $31.57
Buy/RFQ:
Source:DigiKey
Part No:HP300
Stock:5
Inv Date:06-11-2026
Price: Unit price: $36.38
Buy/RFQ:
Part No:HP300
Stock:2
Inv Date:06-12-2026
Price: Unit price: $30.65
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Part No:HP300
Stock:259
Inv Date:06-11-2026
Price: Unit price: $15.98
Buy/RFQ:
Part No:HP300
Stock:0
Inv Date:06-11-2026
Price: Unit price: $34.74
Buy/RFQ:
Part No:HP300
Stock:0
Inv Date:06-11-2026
Price: Unit price: $34.74
Buy/RFQ:
Part No:HP300
Stock:1968
Inv Date:06-11-2026
Price: Unit price: $26.17
Buy/RFQ:
Part No:HP300
Stock:2
Inv Date:06-12-2026
Price: N/A
Buy/RFQ:

Hammond Manufacturing HP300 Hole Plugs Specifications:

  • Material: Steel and stainless steel options
  • Finish: Gray for steel, brushed natural for stainless steel
  • Sealing: Oil-resistant gasket
  • Securing: 10-24 x 0.55 inch threaded stud with plated wing nut
  • Available Sizes: Steel in 12 sizes, stainless steel in 8 sizes
  • Features: Seals unused pushbutton holes, conduit openings, and knockout holes for environmental protection
  • Application: Used in electrical enclosures, control panels, industrial equipment
  • Maximum Diameter: Ranges from 0.88 inches to 4.62 inches depending on size
  • Part No.: HP300 (specific to 3-inch conduit size)

Buy the Buy Hammond Hole Plugs Part Number HP300 Online

Secure your electrical enclosures with Hammond Manufacturing hole plugs. These robust steel and stainless steel plugs feature oil-resistant gaskets and threaded securing studs, ensuring durable sealing against dust, water, and oil. Whether you need to seal unused pushbutton holes or conduit openings, these plugs provide a perfect fit across multiple sizes and applications. Easy to install with threaded studs and wing nuts, they are ideal for maintaining device integrity, preventing contamination, and ensuring safety in industrial, commercial, and control panel environments. Order online today to keep your equipment protected.

Get Hammond Manufacturing HP300 today—designed for reliable sealing and superior environmental protection in industrial applications.

Frequently Asked Questions

Where can I buy Hammond Manufacturing HP300?

You can click on the BUY or RFQ button to purchase HP300 from an authorized Hammond Manufacturing distributor.

How do I troubleshoot issues or seek technical support for part HP300?

You can download the HP300 datasheet or visit the Hammond Manufacturing website for support.

Who is the manufacturer of HP300?

Hammond Manufacturing

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