• Barrel or column end caps: These are tube-shaped and are one of the most common types for round cords. The 4mm inner diameter creates a snug fit for your string. They can feature a small loop on the end for attaching a clasp or jump ring.
• Crimp-style end caps: Similar to the barrel type but with a slit, these are designed to be gently crimped with pliers after the cord is inserted to create a tighter, more secure hold.
• Clamshell bead tips: These are small, open end caps used to hide knots at the end of beaded strands. They are a different style from a full barrel end cap, but can also be used to finish thin cords.
• Bayonet clasps: These incorporate the end cap and clasp into a single component. A 5mm-hole bayonet clasp provides a clean, secure closure for leather or rubber cords, making it ideal for bracelets and necklaces. 

• Stainless steel: As the name suggests, these end caps are highly resistant to rust, corrosion, and discoloration. This makes them suitable for jewelry that may be exposed to water or wear and tear over time.
• Grade 304 vs. 316: Jewelry-grade stainless steel is often offered in Grade 304 or 316.
  • Grade 304 is a good, general-purpose stainless steel.
  • Grade 316 is a higher grade that includes molybdenum, which gives it superior corrosion resistance, making it suitable for high-humidity or marine environments.
• Plated stainless steel: Some stainless steel end caps are plated with gold, silver, or other finishes to provide a different color while retaining the durability of the base material. 

1. Prepare the cord: If the cord is multi-stranded, you can apply a bit of glue to the very end to prevent fraying and help it slide into the cap.
2. Apply adhesive: Place a small amount of strong adhesive, such as E-6000 or a jewelry epoxy, inside the end cap. A toothpick is useful for this step.
3. Insert the cord: Push the end of the 4mm string firmly into the end cap, twisting it slightly to evenly coat the surface with glue.
4. Allow to dry: Let the end cap and cord dry completely according to the glue’s instructions.
5. Add a clasp: Use a jump ring to attach a clasp, such as a lobster or toggle clasp, to the loop on the end cap. 

• Jewelry making: Finishing necklaces and bracelets made from leather, suede, hemp, or rubber cords.
• Decorative crafts: Adding a clean finish to decorative cords on bags, tassels, or keychains.
• Functional hardware: In some cases, for creating small slings or cable loops, especially where corrosion resistance is important. 

➤ Definition:

Ball connectors are used to link other components like charms, chains, or beads. They act as the central or linking element in a piece of jewelry.

➤ Materials & Finish:

• 316L or 304 stainless steel: High-quality, tarnish-resistant, hypoallergenic
• Finishes:
  • Brushed (matte)
  • Polished (shiny)
  • PVD-coated for gold, black, or rose gold effects
• Laser-cut or CNC-milled for clean edges

➤ Definition:

Ball connectors are used to link other components like charms, chains, or beads. They act as the central or linking element in a piece of jewelry.

➤ Materials & Finish:

• 316L or 304 stainless steel: High-quality, tarnish-resistant, hypoallergenic
• Finishes:
  • Brushed (matte)
  • Polished (shiny)
  • PVD-coated for gold, black, or rose gold effects
• Laser-cut or CNC-milled for clean edges

➤ Definition:

Ball connectors are used to link other components like charms, chains, or beads. They act as the central or linking element in a piece of jewelry.

➤ Materials & Finish:

• 316L or 304 stainless steel: High-quality, tarnish-resistant, hypoallergenic
• Finishes:
  • Brushed (matte)
  • Polished (shiny)
  • PVD-coated for gold, black, or rose gold effects
• Laser-cut or CNC-milled for clean edges

➤ Definition:

Ball connectors are used to link other components like charms, chains, or beads. They act as the central or linking element in a piece of jewelry.

➤ Materials & Finish:

• 316L or 304 stainless steel: High-quality, tarnish-resistant, hypoallergenic
• Finishes:
  • Brushed (matte)
  • Polished (shiny)
  • PVD-coated for gold, black, or rose gold effects
• Laser-cut or CNC-milled for clean edges

What Are Curved Stainless Steel Tubes?

They are slightly or deeply arched metal tubes, made of hollow stainless steel, designed to sit smoothly along the curve of a wrist or neckline.

• Typically used as form-fitting bars that arc around the shape of a bracelet or necklace.

• Available in a range of diameters, lengths, and hole sizes.

• Can be used alone or in combination with other beads, cords, or chains.

Advantages of Using Curved Stainless Steel Tubes

✅ 1. Durability

• Stainless steel is incredibly strong — it doesn’t dent, bend, or crush like aluminum or plated brass.

• Great for daily wear or jewelry that undergoes frequent handling (bracelets, for example).

✅ 2. Corrosion & Tarnish Resistance

• Will not rust, corrode, or turn green with sweat or water.

• Excellent for humid climates, beach jewelry, or active lifestyles.

✅ 3. Hypoallergenic

• Safe for sensitive skin. No nickel itch or irritation.

• Great alternative to sterling silver if you’re allergy-prone.

✅ 4. Aesthetic Appeal

• The curved shape adds a sleek, clean, modern look.

• Reflects light beautifully without overpowering surrounding beads.

✅ 5. Lightweight for Size

• Even though it’s metal, the hollow design keeps weight manageable.

Common Types & Sizes

Some are very slightly curved, ideal for necklines, while others are more arched — better for bracelets.

️ How to Use Curved Stainless Steel Tubes

Stringing

• Use beading wire, elastic cord, nylon thread, or leather — depending on the hole size.

• Fit a curved tube at the center or sides of your design to act as:

  • A bar segment

  • A spacer alternative

  • A bracelet arc

Specifications & Quantity:

✔ Material: Stainless Steel (Nickel-Free, Hypoallergenic)

✔ Package Includes: 2 pcs per pack

✔ Product Weight: 8g

Finish your jewelry and cord designs neatly with these stainless steel fold-over crimp ends. These small U-shaped findings are designed to securely hold the ends of cords, ribbons, leather, or beading wire. Simply insert the cord into the center and fold the sides over with pliers to create a strong, clean, and professional finish.

Crafted from high-quality stainless steel, these crimp ends are tarnish-resistant, rustproof, and hypoallergenic, making them perfect for durable jewelry pieces. Their silver-toned shine complements most chain, cord, and pendant styles — ideal for necklaces, bracelets, and anklets.

Features:

• Material: Stainless Steel

• Color: Silver tone

• Size: Approx. 6 mm (varies by batch)

• Strong and corrosion-resistant

• Perfect for securing leather, ribbon, or cord ends

• Easy to use for DIY jewelry making

Ideal for: jewelry designers, hobbyists, and anyone looking for long-lasting, professional-quality finishes.

If you’re into making your own jewellery, stainless steel charms are one of the best materials you can use—and here’s why.

First off, they’re super tough. Unlike other metals that can rust, turn green, or get scratched up over time, stainless steel stays shiny and strong. You can wear your jewellery every day, in the shower, or even to the beach, and it’ll still look great. No more worrying about your favourite bracelet fading or breaking after a few wears.

Another big plus: stainless steel is hypoallergenic. That’s just a fancy way of saying it’s safe for people with sensitive skin. No itching or irritation—just cool-looking jewellery you can actually wear.

Stainless steel also looks modern and sleek. Whether you like simple, minimalist styles or bold and edgy pieces, stainless steel works with everything. It can even be gold, rose gold, or black, depending on the finish, so you have loads of options for your designs.

It’s also eco-friendly, which is a win for the planet. Stainless steel can be recycled, which means you’re not adding waste when you use it in your projects.

And let’s be real—it’s affordable. You get all these awesome benefits without spending a fortune, which is perfect if you’re just starting out or making jewellery to sell to friends.

So if you want your handmade jewellery to last, look amazing, and be skin-friendly, stainless steel charms are totally the way to go. They’re stylish, strong, and super reliable—just like your jewellery should be.

• Hypoallergenic options: High-nickel or nickel-free grades (like 316L or surgical stainless) reduce irritation for sensitive ears.
• Durability: Resists tarnish, rust, and corrosion, suitable for daily wear and exposure to sweat, humidity, and light chemicals.
• Low maintenance: Easy to clean; retains shine with minimal care.
• Budget-friendly: Generally more affordable than precious metals, while offering good longevity.
• Consistency: Uniform color and finish, scalable for mass production or handmade pieces.