How big is a 12mm lobster clasp?
50pcs Silver Trigger Lobster Claw Clasp 12mm (0.47 Inch) Connector for Bracelet Necklace Charm Jewelry Craft Making CF41-3.
For a piece with a lobster-claw clasp and an extender chain, measure from the outer tip of the clasp to the outer end of the link where you usually attach the clasp.
A lobster clasp is one of the most common and strongest jewelry clasps available and likely one you'll notice on most pieces of your jewelry. It gets its name from its shape since the clasp gives the illusion of a lobster claw with the pinching style of the hook.
Spring rings are a great clasp option because they are often the least expensive. Because they're hollow, they're lightweight and use less material than say, a lobster clasp.
Sizes range from 6mm to 22mm, meaning you can use lobster clasps for everything from delicate necklaces and bracelets to chunky, heavy chain.
Each lobster has two different claws, a larger crusher claw and a smaller pincher claw. The crusher claw has a ridged edge that resembles molars and is used to break up hard food such as clams and crabs. The pincher claw, or ripper claw, is used to tear apart softer prey such as worms or fish.
Clasp measurement information
To correctly measure what size clasp is required, the dimension needed is the distance at the end of the watch strap where the buckle is attached. This measurement will also be the width of the buckle at the point of attachment.
- Spring Ring Clasp. ...
- Lobster Clasp. ...
- Barrel Clasp. ...
- Toggle Clasp. ...
- Magnetic Clasp. ...
- S Hook Clasp. ...
- Fishhook Clasp. ...
- Slide Lock Clasp.
For bracelets, many prefer lobster clasps because they are secure, easy to apply, and very subtle. Compared to something like a hook and eye clasp or a toggle clasp, a lobster clasp will be mostly unnoticeable and won't disrupt the design of a more elegant or delicate bracelet.
First off, lobster claw clasps are one of the most secure clasp options you can choose. They don't rely on tension to stay closed, but have an actual locking lever mechanism. They can't slide off and can usually withstand a pretty fearsome tug.
Is lobster clasp good?
Lobster Claw and Spring Ring Clasps are great all around clasps to use because they fit with most any design and budget. Though they are versatile, they are somewhat difficult to use. However both are very familiar components, and when most people think of clasps, spring rings and lobsters generally come to mind first.
The big advantage of this type of closure is that the leather strap is folded less and stays beautiful for longer. The closure is also safer and the watch wears better on the wrist. You will find this type of closure especially on more expensive watches.
Lobster clasps contain more metal and are therefore a little more expensive to replace. These will fall in the $65 to $250 price range depending on the size and material.
A spring ring is a type of clasp that is most commonly used for joining the two ends of a necklace. The spring slides back from the clasp, often pulled by either of the two loops that hold the chain on either end.
One of their claws can exert pressure of up to 100 pounds per square inch. So they may not feel pain, but they can cause some serious pain.
Lobster clasps are the smallest and most fragile clasps so they're easily hidden but can also break easily.
Now first string the crimp bead onto the beading wire, followed by the lobster clasp. Then thread the end of the beading wire back through the crimp bead to form a loop and pull it tight until the lobster clasp sits tightly secured on the beading wire. Use flat nose pliers to squeeze the crimp bead closed.
