5-40 Thread Rounded Head Screws | McMaster-Carr

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Unified Standard Class 2A

Unified Standard Class 3A

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Less than 60,000 psi

60,000 psi to 79,999 psi

80,000 psi to 99,999 psi

100,000 psi to 119,999 psi

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129 Products

Rounded Head Screws

Stainless Steel Button Head Hex-Drive Screws

Stainless Steel Button Head Hex-Drive Screws

These button head screws won't rust or corrode when exposed to moisture and chemicals

Stainless Steel Pan Head Phillips Screws

Stainless Steel Pan Head Phillips Screws

These pan head Phillips screws won't rust or corrode when exposed to moisture and chemicals

Steel Round Head Slotted Screws

Steel Round Head Slotted Screws

The round head has the simplest drive style

Steel Pan Head Phillips Screws

Steel Pan Head Phillips Screws

Our most popular steel pan head screws

Stainless Steel Fillister Head Slotted Screws

Stainless Steel Fillister Head Slotted Screws

The most corrosion-resistant fillister head slotted screws we offer

Stainless Steel Round Head Phillips Screws

Stainless Steel Round Head Phillips Screws

The most corrosion-resistant round head Phillips screws we offer

Steel Button Head Hex-Drive Screws

Steel Button Head Hex-Drive Screws

Made of alloy steel for nearly twice the tensile strength of other steel screws

Stainless Steel Pan Head Slotted Screws

Stainless Steel Pan Head Slotted Screws

The most corrosion-resistant pan head slotted screws we offer

Brass Round Head Slotted Screws

Brass Round Head Slotted Screws

The slotted round head has a shiny look, and these screws won't rust in damp environments

Stainless Steel Binding Head Slotted Screws

Stainless Steel Binding Head Slotted Screws

Our most corrosion-resistant binding head screws

Stainless Steel Round Head Slotted Screws

Stainless Steel Round Head Slotted Screws

Our most corrosion-resistant round head slotted screws

Brass Pan Head Phillips Screws

Brass Pan Head Phillips Screws

The Phillips pan head has a shiny look, and these screws won't rust in damp environments

Brass Pan Head Slotted Screws

Brass Pan Head Slotted Screws

The slotted pan head has a shiny look, and these screws won't rust in damp environments

Stainless Steel Truss Head Phillips Screws

Stainless Steel Truss Head Phillips Screws

Our most corrosion-resistant truss head Phillips screws

Steel Pan Head Slotted Screws

Steel Pan Head Slotted Screws

The pan head has the simplest drive style

Steel Round Head Phillips Screws

Steel Round Head Phillips Screws

A domed profile that gives a decorative look

Brass Button Head Hex-Drive Screws

Brass Button Head Hex-Drive Screws

The button head has a shiny look, and these screws won't rust in damp environments

Other Products

Tapping Screws

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

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