SD Enterprises

Shivane, Pune, Maharashtra

The Plastic Square End Cap 40x40 mm is a durable, ribbed insert designed to fit snugly into square metal tubing with a 40mm x 40mm profile. Made from high-impact-resistant plastic (typically polyethylene or polypropylene), it provides a clean finish while protecting both the tube ends and the surfaces they rest on.

Its ribbed shaft ensures a secure, non-slip fit, even in slightly irregular or worn tubes. Commonly used in furniture, industrial frames, gym equipment, fencing, and metal fabrication.

• Protects tube ends from moisture, corrosion, and damage

• Enhances appearance with a clean finish

• Prevents floor scratching and noise

• Ideal for indoor and outdoor use

This 25x25 mm Plastic Square End Cap is designed to provide a clean, finished look and long-lasting protection for the ends of square tubing or hollow section steel. Made from high-quality polyethylene (PE) or polypropylene (PP), it fits snugly into 25mm x 25mm square tubes, offering resistance against wear, corrosion, and environmental elements.

• Size: 25mm x 25mm (1" x 1")

• Material: Durable plastic (PE or PP)

• Color: Typically black (custom colors may be available)

• Design: Ribbed for a tight, secure fit

• Installation: Push-fit – no tools or adhesives required

• Function: Protects floors, prevents moisture ingress, and enhances safety

• Applications: Furniture legs, metal frameworks, equipment feet, shelving ends, gate posts, and more

• Protects tube ends from dust, dirt, rust, and impact

• Helps reduce noise and prevent floor damage

• Offers a neat, professional finish

• Suitable for indoor and outdoor use

• Fits Inner Size: 25 mm x 50 mm rectangular tubing (inner dimensions)

• Outer Dimensions of Cap: Slightly smaller than 25x50 mm to fit snugly inside the tube

• Material: Durable black plastic (Polyethylene or Polypropylene)

• Secure Fit: Ribbed design for tight grip and easy installation no tools needed

• Applications: Ideal for chair legs, furniture frames, industrial tubes, and gym equipment

• Protection: Prevents floor damage, reduces noise, and keeps out dirt and moisture

• Finish: Sleek matte black finish provides a clean, professional look

This Plastic Rectangular End Cap is designed to fit snugly into 25mm x 50mm inner-sized rectangular tubing. It features a ribbed body for a tight push-fit, eliminating the need for adhesives or tools. This cap is widely used in furniture, fitness equipment, shelving systems, and metal frameworks to provide a finished look and functional protection.

Perfect for:

• Rectangular steel or aluminum tubes (inner size: 25x50 mm)

• Furniture legs (tables, chairs, benches)

• Gym and fitness equipment

• Industrial frameworks and structures

• Storage racking or display units

The ribbed sides allow for easy insertion and stay firmly in place, making it ideal for both indoor and outdoor use.

Use these keywords in your product listings, website tags, meta descriptions, and alt text for images:

• plastic end cap 25x50 inner size

• 25x50 tube insert plug

• rectangular end cap for tube inner size 25mm x 50mm

• black plastic push-in cap for 25x50 tubing

• furniture leg cap 25 x 50 mm

• ribbed tube insert 25 x 50

• end plug for 25x50 mm tube

• rectangular tube protector plug

• 25x50 square tube end cap inner dimension

Need a clean, snug finish for your 25x50 mm rectangular tubes? Our Plastic End Cap (Inner Size 25x50 mm) is perfect for sealing furniture legs, metal frames, or industrial tubing easy push-fit, durable plastic, and no tools needed!

• Size: Fits 40mm x 60mm (1.57" x 2.36") rectangular tubing

• Material: High-quality durable plastic (Polyethylene or Polypropylene)

• Design: Ribbed sides for a secure grip inside metal or plastic tubing

• Usage: Ideal for sealing the ends of rectangular tubes to prevent dirt, debris, and moisture entry

• Protection: Prevents floor scratches and noise from moving furniture

• Installation: Easy push-fit no tools required

• Finish: Smooth black matte finish for a clean, professional look

Upgrade your furniture or equipment with this Plastic Rectangular End Cap (40x60 mm). Designed to fit snugly into square and rectangular metal or plastic tubing, these end caps provide a clean, finished look while protecting floors and internal tube surfaces from damage, moisture, and dust. Whether you're building a metal frame, replacing a worn-out chair leg protector, or capping off an open tube, these ribbed plugs offer a hassle-free solution.

Theyre ideal for:

• Chair or table legs

• Gym or fitness equipment

• Shelving units

• Metal fabrication projects

• Industrial and commercial framing

Made of premium black plastic, these caps are weather-resistant, reusable, and built for long-term use.

Include these in tags, meta description, or alt text:

• 40x60 end cap

• rectangular tube insert 40x60

• plastic tube plug 40mm x 60mm

• chair leg caps 40 x 60

• square tubing end cap

• furniture glide plug

• ribbed plastic end cap

• black plastic tube cap

• steel tube insert cap

• plastic finishing cap for metal

Specifications Table (For Technical Buyers):

1. Product only (white background)

2. Product inserted in a tube (usage)

3. Size dimensions image (graphic overlay)

4. Multi-pack shot (if applicable)

5. Close-up of ribs and texture

Plastic Square End Cap 40x80mm Heavy-Duty Insert for Tubes, Posts, and Frames

Product Description:

Our Plastic Square End Cap 40x80mm is a durable and reliable finishing solution designed to fit snugly into square tubing, posts, or metal frames. Made from high-quality black polyethylene (PE) or polypropylene (PP), this cap provides a clean, safe, and professional finish to your metal or plastic structures.

Key Features:

• Size: 40mm x 80mm (Inner Insert Dimensions)

• Material: High-Quality Black Plastic (Polyethylene or Polypropylene)

• Design: Ribbed for a secure, tight fit

• Shape: Rectangular (Fits 40mm x 80mm Square Tubing)

• Color: Matte Black Finish

• Weather & Impact Resistant: Suitable for both indoor and outdoor applications

Applications:

• Furniture legs (desks, chairs, tables)

• Steel or aluminum tubing

• Fitness equipment

• Machine frames and stands

• Gate and fence posts

• DIY or industrial use

Installation:Simply push the cap into the open end of the tube or post. The ribbed shank ensures a firm and secure grip without the need for adhesives or tools.

Durability:Resistant to moisture, corrosion, UV, and everyday wear-and-tear, making it ideal for outdoor use and industrial environments.

Why Choose Our Plastic End Cap?

Prevents dirt, water, and pests from entering tubing
Protects floors from scratches
Enhances aesthetics and safety
Reduces noise from metal-on-floor contact
Easy to install and remove

Plastic Square End Cap 20x20mm (Inner Fit)

Description:
Our 20x20mm Plastic Square End Cap is a premium-quality insert designed to provide a clean, safe, and professional finish to open square tubing. Made from durable, high-impact polyethylene (PE) or polypropylene (PP), this end cap is ideal for furniture legs, fitness equipment, shelving, fencing, and various metal or plastic tube-based constructions.

Whether you 're protecting flooring from scratches or preventing moisture and debris from entering your tubing, this cap offers a reliable and sleek solution.

Key Features:

• Perfect Fit: Suits square tubing with 20mm x 20mm internal dimensions. Ridges ensure a snug and secure grip.

• Heavy-Duty Material: Made from high-density plastic (HDPE or PP) for strength, wear resistance, and long service life.

• Multi-Ribbed Design: Ridges along the sides allow flexible insertion and a tight fit across various wall thicknesses (usually 1mm to 2mm).

• Protective & Functional: Prevents dirt, dust, insects, and moisture from entering open tubes, while also protecting floors from sharp metal edges.

• Sleek Finish: Matte black appearance provides a modern, polished look for furniture and equipment.

• Easy Installation: Simply push into the tube manually no tools required!

Specifications:

Applications:

• Office chairs and table legs

• Metal frame furniture

• Gym and fitness equipment

• Garden fencing posts

• Shelving systems

• Display stands and kiosks

• DIY construction and more!

Why Choose Our End Caps?

• Superior grip and finish

• Long-lasting material

• Cost-effective solution

• Simple, tool-free installation

• Suitable for both indoor and outdoor use

A 50x50 mm square end cap (or plastic tube insert) is designed to fit square tubing with outer dimensions of 50 mm x 50 mm — that’s 5 cm on each side. This size is one of the most commonly used in furniture, fencing, shelving, and lightweight metal structures.

Why It 's Great (Especially at 50x50 mm): 1. Perfect Fit for Medium Tubing

• Fits snugly into medium-gauge steel, aluminum, or plastic tubing.

• Ideal for structural and decorative use — strong but not overbuilt.

2. Edge Protection

• Covers sharp tube ends to prevent cuts, snags, or damage.

• Blocks out dust, insects, and moisture, helping prevent internal rust.

‍ 3. Smooth & Silent Contact

• Reduces scratching and noise when sliding furniture or metal objects.

  Great for indoor use where appearance and surface care matter.

4. Ribbed Grip Design

• The multi-ribbed sides ensure a tight, secure fit even if the tubing isn’t perfect.

• No glue or screws needed — just press-fit by hand or with a light mallet.

5. Weather & UV Resistant

• Built from tough polyethylene or polypropylene, it stands up to rain, sun, and heat without cracking or fading.

• Great for outdoor furniture, gates, or metal frameworks.

6. Clean Finish

• Adds a professional, polished look to tubing.

• Makes DIY or commercial projects look more high-end and complete.

Typical Uses for 50x50 mm Square End Caps:

• Chair/table legs

• Metal gates and fences

• Display racks

• Garden structures

• Scaffolding ends

• Gym equipment

Bonus Benefits:

• Slip resistance: Many have textured or grippy bottoms.

• Affordable & reusable.

• Available in various colors and finishes (black is the most common).

• Optional versions with threads or feet inserts.

An 80x80 mm square end cap is a plastic insert plug designed specifically to fit snugly into the end of square tubing with an 80 mm outer dimension (thats 8 cm on each side). It 's the perfect finishing touch for larger and heavier-duty tubing used in industrial or commercial applications.

• At 80x80 mm, its made for larger structures like steel frames, machine bases, fencing posts, warehouse racking, or gym equipment.

• The bigger size means better load support and more surface protection.

• The multi-ribbed design (those layered fins) ensures a tight friction fit even if your tube has slightly uneven walls.

• Shields the metal tubing from moisture, rust, insects, and dust.

• Prevents internal corrosion in outdoor or industrial settings.

• Prevents scratching floors, walls, or nearby equipment.

• Reduces metal-on-surface noise perfect for large sliding furniture or movable frames.

• Made from durable polyethylene or polypropylene, it 's UV-resistant, wont crack in the cold, or warp in the heat ideal for indoor & outdoor use.

• Gives your work a professional, finished look.

• Covers rough or sharp tube ends for clean, flush edges.

• Just push it in no tools needed. For a super-tight fit, a soft mallet can help.

• Can be removed and reused if needed.

• Industrial shelving & racking

• Metal fabrication projects

• Large fence posts

• Heavy-duty tables or benches

• Construction scaffolding or frameworks

A square end cap is a plastic fitting designed to plug or cap the ends of square metal tubing. It 's commonly used in furniture, fencing, gym equipment, or anywhere square tubing needs a clean finish or protection.

• Furniture legs (like chairs, tables prevents scratching floors)

• Metal fencing or railing systems

• Exercise machines or gym equipment

• Construction or metal framing

• Protects from sharp edges

• Seals the tubing to keep out dirt, water, or insects

• Improves aesthetics

• Prevents floor damage or rust stains

• Easy to install (just push in no tools usually needed)

• Ever dragged a chair across the floor and it screeched like a banshee? These caps help absorb impact and reduce noise especially on tile, concrete, or wood floors.

• Made from materials like UV-resistant polyethylene, so they wont crack, fade, or degrade under sunlight, rain, or snow.

• Keeps moisture out of hollow tubing, preventing rust in metal structures.

• Once theyre in, you dont have to do anything they stay snug and dont need screws, glue, or upkeep.

• Can be pushed in by hand, or lightly tapped with a rubber mallet.

• Reusable if you change your setup, just pull them out and reuse elsewhere.

• Available in different colors, finishes, or even textured tops to match your design.

• Can be painted or coated if you want them to match your furniture or frame.

• Some reinforced versions help distribute weight more evenly, reducing wear on tube ends (especially important for gym gear or shelving).

• Many square caps have rubberized or textured bottoms, giving your furniture better grip on smooth surfaces and helping prevent sliding.

• Theyre super cheap but make a big difference in the lifespan and look of your furniture, railings, and fixtures.

• Some are made from recycled plastic, which is great if you 're into sustainable choices.here are specialty square end caps too:

  • Threaded versions (for adjustable feet or leveling glides)

  • Heavy-duty caps (for industrial or commercial setups)

  • Decorative caps (with chrome, wood-grain, or metal finishes)

Perfect Balance for Furniture, Shelving & Equipment

• hread Size: M8 (8mm diameter)

• Thread Length: 25mm

• Base Material: Durable plastic with anti-slip ribs

• Bolt Material: Zinc-plated steel for rust resistance

• Color: Black base with silver thread

• Compact Size: Ideal for lightweight As Well As Heavy & medium-duty furniture and appliances

• Tool-Free Adjustment: Just twist by hand to raise or lower your furniture no tools needed.

• Floor Protection: Anti-scratch plastic base protects wood, tile, and laminate floors.

• Perfect Stability: Say goodbye to rocking or wobbling furniture perfect for shelves, tables, cabinets, and more.

• Strong & Durable: Supports everyday use in homes, workshops, offices, and industrial spaces.

• Easy Installation: Screws into any compatible M8 threaded insert or hole.

• Common Uses:

• Office desks and chairs

• Bookshelves and storage cabinets

• Coffee tables and side tables

• Display units and kiosks

• DIY furniture and 3D printer stands

• Reliable, Affordable, Adjustable

• Whether you 're working on a DIY project or need a professional solution for your business setup, these small M8x25 adjustable leveling feet are a cost-effective, long-lasting upgrade. Restore balance and prevent wear and tear on your furniture and floors all with a simple twist.

• Available in singles, pairs, or multi-packs.
  Bulk pricing available for larger orders.