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Locking Pliers
What is Locking Pliers?
A hand tool with adjustable jaws that can be locked in position to grip objects securely, commonly used in construction, welding, and mechanical work for holding and clamping.
Description
Locking pliers are a hand tool with adjustable jaws that can be locked in position to grip objects securely, commonly used in construction, welding, and mechanical work for holding, clamping, and gripping applications. These versatile tools combine the gripping power of pliers with the holding capability of a clamp, allowing users to maintain constant pressure on workpieces without continuous hand pressure. Locking pliers are essential tools in construction toolboxes, providing reliable gripping and holding solutions for various tasks.
The primary purposes include gripping and holding objects securely during work, providing hands-free clamping for welding and assembly, extracting damaged or stripped fasteners, bending and forming metal materials, serving as temporary clamps for gluing and assembly, enabling one-handed operation while working, and providing consistent gripping pressure over extended periods.
Types and configurations involve straight jaw pliers, curved jaw pliers, needle-nose locking pliers, and specialty locking pliers for different applications.
FAQs
What are locking pliers?
Locking pliers are hand tools with adjustable jaws that can be locked in position to grip objects securely without continuous hand pressure.
What are the main types of locking pliers?
Main types include straight jaw, curved jaw, needle-nose, and specialty configurations like welding clamps and sheet metal tools.
How do you adjust locking pliers?
Use the adjustment screw to set jaw opening and gripping pressure, then squeeze handles to engage the locking mechanism.
What are locking pliers used for in construction?
They’re used for gripping pipes, holding electrical components, clamping during welding, and various holding and gripping tasks.
How do you release locking pliers?
Squeeze the release lever (usually at the end of one handle) to disengage the locking mechanism and open the jaws.
Can locking pliers damage workpieces?
Yes, the serrated jaws can mark surfaces—use jaw covers or smooth-jaw versions for delicate materials.
How do you maintain locking pliers?
Keep pivot points lubricated, clean jaws regularly, check adjustment mechanisms, and store in dry conditions.
Fun Fact
Fun Fact: Locking pliers were invented in 1924 by William Petersen, a Danish immigrant blacksmith in Nebraska! The original brand name “Vise-Grip” became so popular it’s often used generically for all locking pliers. During WWII, locking pliers were essential tools for aircraft
Links
CSI Code
01 50 00
NAHB Code
100







