Brass Thumb Screws | McMaster-Carr

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4,380 Products

Fastening and Joining

Tighten and loosen by hand without the need for tools

Rounded Head Screws

Rounded Head Screws

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

Flat Head Screws

Flat Head Screws

Fit in countersunk holes for a flush finish

Wood Screws

Fasten material to wood or pieces of wood to each other

Socket Head Screws

Socket Head Screws

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

Hex Head Screws

Hex Head Screws

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

Captive Panel Screws

Captive Panel Screws

Secure panels and enclosures while still having access to them

Set Screws

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

Shoulder Screws

Shoulder Screws

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

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

Standoff Caps

Create a finished look on standoffs and protect them from dirt and debris

Thread Adapters

Thread Adapters

Join threads of a different type, size, and gender

Threaded Rods

Anchor, connect, or hang components in a wide variety of applications

Binding Barrels and Screws

Binding Barrels and Screws

Thread together for a low-profile fastener

Rivet Nuts

Add threads to thin panels with access from only one side; also known as blind inserts

Easy to tighten and loosen by hand for making frequent adjustments

Spring Plungers

Spring Plungers

Apply accurate, consistent pressure for positioning, indexing, and ejecting parts

Electrical

Grounding Lugs

Create a common grounding path for internal components and circuits, as well as the enclosure body

Binding Posts

Test circuits before making permanent connections

Building and Machinery Hardware

Knobs

Position, tighten, and secure fixtures and equipment

Power Transmission

Lead Screws and Nuts

Lead Screws and Nuts

Components travel along a screw with broad, square threads to clamp and lift heavy loads

Facility and Grounds Maintenance

Toilet Mounts

Secure toilet components with flanges and hardware kits

Toilet Tank Replacement Parts

Toilet Tank Replacement Parts

Replace parts such as flappers, fill valves, and floats in your toilet tank

Containers, Storage, and Furniture

Hanging Hooks

Hang tools, hoses, garments, and other supplies on walls for easy access

Fluid Handling

Float Rods

Connect valve bodies and floats to build or repair a float valve

Material Handling

Eyebolts

Route rope through the loop or attach hooks and shackles for lifting

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