1⁄4"-28 Thread Rounded Head Screws | McMaster-Carr

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60,000 psi to 79,999 psi

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100,000 psi to 119,999 psi

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178 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

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

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

Steel Pan Head Phillips Screws

Steel Pan Head Phillips Screws

Our most popular steel pan head screws

Stainless Steel Round Head Phillips Screws

Stainless Steel Round Head Phillips Screws

The most corrosion-resistant round head Phillips screws we offer

Stainless Steel Fillister Head Slotted Screws

Stainless Steel Fillister Head Slotted Screws

The most corrosion-resistant fillister head slotted screws we offer

Stainless Steel Flanged Button Head Hex-Drive Screws

Stainless Steel Flanged Button Head Hex-Drive Screws

Secure thin and soft materials in corrosive environments without needing a separate washer

Plastic Pan Head Phillips Screws

Plastic Pan Head Phillips Screws

Our most common plastic pan head screws

Stainless Steel Pan Head Slotted Screws

Stainless Steel Pan Head Slotted Screws

The most corrosion-resistant pan head slotted screws we offer

Steel Round Head Slotted Screws

Steel Round Head Slotted Screws

The round head has the simplest drive style

Stainless Steel Round Head Slotted Screws

Stainless Steel Round Head Slotted Screws

Our most corrosion-resistant round head slotted screws

Steel Pan Head Slotted Screws

Steel Pan Head Slotted Screws

The pan head has the simplest drive style

Tamper-Resistant Torx Stainless Steel Button Head Screws

Tamper-Resistant Torx Stainless Steel Button Head Screws

Deter unauthorized access in corrosive environments

Stainless Steel Truss Head Phillips Screws

Stainless Steel Truss Head Phillips Screws

Our most corrosion-resistant truss head Phillips screws

Steel Flanged Button Head Hex-Drive Screws

Steel Flanged Button Head Hex-Drive Screws

Our strongest flanged rounded head screws

Sealing Stainless Steel Pan Head Phillips Screws

Sealing Stainless Steel Pan Head Phillips Screws

Keep out dust and contaminants while locking in air and fluid

Steel Pan Head Phillips Screws with Internal-Tooth Lock Washer

Steel Pan Head Phillips Screws with Internal-Tooth Lock Washer

Sharp internal teeth hold screws in place despite frequent movement and vibration

Tamper-Resistant Drilled Spanner Stainless Steel Pan Head Screws

Tamper-Resistant Drilled Spanner Stainless Steel Pan Head Screws

The unique two-hole design inhibits tampering

Tamper-Resistant Hex-Drive Stainless Steel Button Head Screws

Tamper-Resistant Hex-Drive Stainless Steel Button Head Screws

Our most corrosion-resistant hex-drive screws for preventing unauthorized access

Stainless Steel Truss Head Slotted Screws

Stainless Steel Truss Head Slotted Screws

Our most corrosion-resistant truss head slotted screws

Steel Round Head Phillips Screws

Steel Round Head Phillips Screws

A domed profile that gives a decorative look

Other Products

Binding Barrel Posts

Binding Barrel Posts

Pair with a cap or screw to create a custom low-profile fastener

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