1" x 3" Rectangular Tubing Plug LDPE Snap-In End Caps Insert Steel Tube Insert
Each quantity option contains the same part in a different pack size.
Choose what fits your job.
Choose a larger pack to keep this common item on hand for future service work.
Description
Rectangular snap-in tubing plugs designed for 1" x 3" steel and aluminum tubing.
Used to cap open tube ends, improve appearance, and protect exposed edges.
Durable LDPE construction provides impact resistance and a clean, finished look.
Multi-rib design creates a secure press fit in 14–20 gauge rectangular tubing.
Ideal for fabrication frames, racks, trailers, and general shop builds.
Helps prevent debris entry and reduces sharp edge exposure.
Specifications
Tube size: 1" x 3" rectangular tubing (25 mm x 76 mm)
Tube inside dimension range: 0.84"–0.93" x 2.84"–2.93" (21–24 mm x 72–74 mm)
Compatible wall thickness: 14–20 gauge steel or aluminum rectangular tubing
Material: Black LDPE (low-density polyethylene)
Design: Ribbed snap-in insert
Head style: Flat, flush cap
Use environment: Indoor / light industrial
Operating temperature: -58°F to 176°F (-50°C to 80°C)
Key Uses
Equipment frames and fabrication builds
Warehouse racks and shelving systems
Trailer frames and utility structures
Material handling carts and fixtures
Metal furniture frames and legs
Common Applications
Metal fabrication and welding shop builds
Equipment frames and machine bases
Trailer frames and utility racks
Warehouse shelving and rack systems
Automotive and powersports frame caps
Furniture frames and metal legs
Industrial enclosures and structural tubing
Package Options
• Multiple pack sizes available.
• Please use the drop-down box for needed quantity.
• Second quantity option offers the best balance of price and quantity.
Service
Ships from California, USA warehouse
Same-day handling on most weekday orders
Tracking uploaded quickly after shipment
51,000 buyers' reviews
99.8 percent positive feedback
Free shipping with tracking included