Thumb Bolts | McMaster-Carr

Filter by

Fastener Head Type

Nut Type

System of Measurement

Thread Size

Length

Material

Stainless Steel

Head Diameter

Threading

Partially Threaded

Grip Style

Thumb Screw Head Profile

Head Height

Thread Length

Head Width

Thread Pitch

Thread Type

Thread Spacing

Tip Type

Finish

Zinc Yellow-Chromate Plated

Thread Direction

Head Color

Drive Style

Mount Type

RoHS

Compliant with Exemptions

REACH

Export Control Classification Number (ECCN)

DFARS Specialty Metals

How can we improve?

2,068 Products

Thumb Screws

Steel and Iron Wing Thumb Screws

Steel and Iron Wing Thumb Screws

A wing shape for more leverage than spade head thumb screws

Stainless Steel Wing Thumb Screws

Stainless Steel Wing Thumb Screws

Corrosion resistant with a grip-friendly design

Stainless Steel Knurled-Head Thumb Screws

Stainless Steel Knurled-Head Thumb Screws

Fasten panels and covers in wet and corrosive environments

Two-Arm Plastic-Head Thumb Screws

Two-Arm Plastic-Head Thumb Screws

Flat, evenly spaced arms give your fingers extra leverage to twist

Stainless Steel Flared-Collar Knurled-Head Thumb Screws

Stainless Steel Flared-Collar Knurled-Head Thumb Screws

The decorative collar leaves extra room to grip in wet and corrosive environments

Plastic-Knurled-Head Thumb Screws

Plastic-Knurled-Head Thumb Screws

The strength of stainless steel with a lightweight head that won't rust

Steel Four-Arm Extended-Tip Thumb Screws

Steel Four-Arm Extended-Tip Thumb Screws

Four arms and an extended tip to guide into holes with greater control

Steel Knurled-Head Thumb Screws

Steel Knurled-Head Thumb Screws

Fasten panels and covers by hand

Stainless Steel Raised-Profile Knurled-Head Thumb Screws

Corrosion-resistant, with a raised head you can grasp with oily fingers

Stainless Steel Extended-Tip Thumb Screws

Stainless Steel Extended-Tip Thumb Screws

The dowel-like tip guides the corrosion-resistant screw into holes with greater control

Six-Arm Plastic-Head Thumb Screws

Six-Arm Plastic-Head Thumb Screws

Wrap your entire hand around the large head and lobes for a tight grasp

Steel Raised-Profile Knurled-Head Thumb Screws

Grasp tightly even with oily fingers

Plastic Raised-Profile Knurled-Head Thumb Screws

A lightweight, economical alternative to metal raised-profile thumb screws

Slotted Stainless Steel Knurled-Head Thumb Screws

Slotted Stainless Steel Knurled-Head Thumb Screws

Fasten these corrosion-resistant thumb screws by driver and by hand

Aluminum Flared-Collar Knurled-Head Thumb Screws

Aluminum Flared-Collar Knurled-Head Thumb Screws

Our most lightweight flared-collar thumb screws, these are one-third the weight of steel

Stainless Steel High-Profile Knurled-Head Thumb Screws

Twice as tall as low-profile thumb screws for added leverage in wet areas

Hex-Drive Plastic-Head Thumb Screws

Hex-Drive Plastic-Head Thumb Screws

Twist with a hex key when you need more torque than fingers can provide

Stainless Steel Narrow-Profile Knurled-Head Thumb Screws

The slim head won't snag plugs and cords in electrical panels

Steel and Iron Spade-Head Thumb Screws

Steel and Iron Spade-Head Thumb Screws

Our most popular spade-head thumb screws, with a flat head for extra twisting leverage

Steel Extended-Tip Thumb Screws

Steel Extended-Tip Thumb Screws

The dowel-like tip guides the screw into holes with greater control

Brass Knurled-Head Thumb Screws

Brass Knurled-Head Thumb Screws

Conductive, shiny, and corrosion resistant in humid environments

Plastic Thumb Screws

Plastic Thumb Screws

A lightweight, economical alternative to metal thumb screws

Precision-Adjust Ball-Tip Thumb Screws

Precision-Adjust Ball-Tip Thumb Screws

Make the finest adjustments of any thumb screws we sell

Sanitary Thumb Screws

Sanitary Thumb Screws

Withstand corrosion in sanitary environments that experience frequent washdowns

Brass Flared-Collar Knurled-Head Thumb Screws

Brass Flared-Collar Knurled-Head Thumb Screws

Shiny and rust-resistant, with a decorative collar for added space to grasp

Slotted Plastic High-Profile Knurled-Head Thumb Screws

Nonconductive, rust-resistant, lightweight, and can twist by driver and by hand

Steel High-Profile Knurled-Head Thumb Screws

Twice as tall as regular thumb screws for added leverage

Stainless Steel Spade-Head Thumb Screws

Stainless Steel Spade-Head Thumb Screws

Fasten in wet environments, with a coin-like head for extra leverage

Slotted Stainless Steel Narrow-Profile Knurled-Head Thumb Screws

Fasten by driver and by hand in wet areas where you need to avoid snagging cords

Stainless Steel Flanged Spade-Head Thumb Screws

Stainless Steel Flanged Spade-Head Thumb Screws

Distribute pressure evenly in thin and soft materials without the risk of corrosion

Steel Flanged Spade-Head Thumb Screws

Steel Flanged Spade-Head Thumb Screws

Distribute pressure evenly when twisting into thin and soft materials

Self-Aligning Four-Arm Swivel-Tip Thumb Screws

Self-Aligning Four-Arm Swivel-Tip Thumb Screws

The large tip pivots to sit flat against surfaces on angled or uneven surfaces

Brass Spade-Head Thumb Screws

Brass Spade-Head Thumb Screws

Conductive, nonmagnetic, and shiny, with a flat head for extra leverage

Brass Raised-Profile Knurled-Head Thumb Screws

Grasp this shiny screw tightly even if you have oily fingers

Stainless Steel Hex-Head Thumb Screws

Stainless Steel Hex-Head Thumb Screws

The thick, hex-shaped head transmits extra torque for a tight hold in wet areas

Steel Spade-Head Soft-Tip Thumb Screws

Steel Spade-Head Soft-Tip Thumb Screws

The soft tip won't mar or deform components such as clamps and adapters

Self-Aligning Swivel-Tip Thumb Screws

Self-Aligning Swivel-Tip Thumb Screws

The narrow tip fits through threaded holes and pivots to secure angled or uneven surfaces

Quarter-Turn Thumb Screws

Quarter-Turn Thumb Screws

Twist the head to connect or disconnect jigs, lids, and plates without removing the screw

Steel Hex-Head Thumb Screws

Steel Hex-Head Thumb Screws

The thick, hex-shaped head transmits extra torque for a tighter hold than other head shapes

Other Products

Captive Panel Screws

Captive Panel Screws

Secure panels and enclosures while still having access to them

Clamping Screws

Clamping Screws

Apply pressure through a flat-tipped screw to hold material in place

Spring Plungers

Spring Plungers

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

Shoulder Screws

Shoulder Screws

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

Lead Screw Nuts

Lead Screw Nuts

Mate with lead screws to move components in a straight line

Fixture Clamps

Secure your workpiece to a fixture table so it won't move during machining

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