Locking Bolts | McMaster-Carr

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3,851 Products

Fastening and Joining

Hex Head Screws

Hex Head Screws

Used with nuts to create a stronger joint than flat and rounded screws

Socket Head Screws

Socket Head Screws

With a deeper drive than flat and rounded head screws, these withstand more torque for a tighter hold

Rounded Head Screws

Rounded Head Screws

Sit just above the surface for a low-profile finish and hold tighter than flat head screws

Shoulder Screws

Shoulder Screws

Rotate parts around the cylinder under the head to guide and align them during installation

Set Screws

Exert pressure at the tip to hold parts in place, unlike screws that hold material together with threads

Plow Bolts

The head sits flush with countersunk holes while the bolt stays in place when tightening a nut

Flat Head Screws

Flat Head Screws

Fit in countersunk holes for a flush finish

Tapping Screws

Fasten a range of materials together without needing to tap the hole first

Standoffs

Threaded to separate or connect parts as well as position components in assemblies

Rivet Tools

Install and remove blind, solid, hollow, and other types of rivets

Building and Machinery Hardware

Slide-Bolt Latches

Slide-Bolt Latches

Slide the bolt to secure everything from swinging gates to overhead garage doors

Drawer and Cabinet Deadbolt Locks

Drawer and Cabinet Deadbolt Locks

Secure wooden drawers and cabinet doors with a key

Window Latches

Hold windows and screens closed for security or open for ventilation

Push-to-Close Latches

Push-to-Close Latches

Automatically hold doors shut when you push them closed

Gate Latches

Restrict unwanted entry to gated areas

Flush Bolt Locks

Flush Bolt Locks

Prevent double doors from being opened, or lock one door while the other stays unlocked

Door Strike Plates

Door Strike Plates

Reinforce the area where the latch meets the frame to protect it from friction

Swinging Latches

Swinging Latches

Swing the arm into the strike plate to keep shed, refrigerator, and other doors closed

Lock Cylinders

Install in doors to lock and unlock them with a key

Deadbolt Locks

Require a key or combination to unlock from the outside

Locker Locks

Restrict access to lockers and their contents

Door Handles and Knobs

Door Handles and Knobs

Open and close latching doors

Fabricating and Machining

Drill Bushing Lock Screws

Drill Bushing Lock Screws

Prevent drill bushings from spinning

Containers, Storage, and Furniture

Toilet Partition Latches

Toilet Partition Latches

Replace the latch on your toilet partition door

The quick brown fox jumped over the lazy dog. Pedestal (35" Ht. x 4" Wd. x 4" Dp.)