Knurled Head Thumb Screws | McMaster-Carr

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6,254 Products

Thumb Screws

Stainless Steel Knurled-Head Thumb Screws

Stainless Steel Knurled-Head Thumb Screws

Fasten panels and covers in wet and corrosive environments

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

Stainless Steel Raised-Profile Knurled-Head Thumb Screws

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

Steel Raised-Profile Knurled-Head Thumb Screws

Grasp tightly even with oily fingers

Steel Knurled-Head Thumb Screws

Steel Knurled-Head Thumb Screws

Fasten panels and covers by hand

Stainless Steel Narrow-Profile Knurled-Head Thumb Screws

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

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 High-Profile Knurled-Head Thumb Screws

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

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

Plastic Raised-Profile Knurled-Head Thumb Screws

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

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

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 Stainless Steel Knurled-Head Thumb Screws

Slotted Stainless Steel Knurled-Head Thumb Screws

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

Slotted Plastic High-Profile Knurled-Head Thumb Screws

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

Brass Knurled-Head Thumb Screws

Brass Knurled-Head Thumb Screws

Conductive, shiny, and corrosion resistant in humid environments

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

Steel Extended-Tip Thumb Screws

Steel Extended-Tip Thumb Screws

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

Brass Raised-Profile Knurled-Head Thumb Screws

Grasp this shiny screw tightly even if you have oily fingers

Plastic Thumb Screws

Plastic Thumb Screws

A lightweight, economical alternative to metal thumb screws

Steel High-Profile Knurled-Head Thumb Screws

Twice as tall as regular thumb screws for added leverage

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

Precision-Adjust Ball-Tip Thumb Screws

Precision-Adjust Ball-Tip Thumb Screws

Make the finest adjustments of any thumb screws we sell

Other Products

Captive Panel Screws

Captive Panel Screws

Secure panels and enclosures while still having access to them

Easy to tighten and loosen by hand for making frequent adjustments

Shoulder Screws

Shoulder Screws

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

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