3⁄8"-16 Thread Rounded Head Screws | McMaster-Carr

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60,000 psi to 79,999 psi

80,000 psi to 99,999 psi

100,000 psi to 119,999 psi

120,000 psi or greater

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474 Products

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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

Steel Pan Head Phillips Screws

Steel Pan Head Phillips Screws

Our most popular steel pan head screws

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 Phillips Screws

Stainless Steel Pan Head Phillips Screws

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

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

Stainless Steel Button Head Torx Screws

Stainless Steel Button Head Torx Screws

Our most corrosion-resistant button head Torx screws

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

Stainless Steel Fillister Head Slotted Screws

Stainless Steel Fillister Head Slotted Screws

The most corrosion-resistant fillister head slotted screws we offer

Steel Truss Head Slotted Screws

Steel Truss Head Slotted Screws

A wide head spreads out pressure and minimizes the risk of crushing thin material

Plastic Pan Head Phillips Screws

Plastic Pan Head Phillips Screws

Our most common plastic pan head screws

Stainless Steel Round Head Slotted Screws

Stainless Steel Round Head Slotted Screws

Our most corrosion-resistant round head slotted screws

Steel Round Head Slotted Screws

Steel Round Head Slotted Screws

The round head has the simplest drive style

Tamper-Resistant Drilled Spanner Stainless Steel Truss Head Screws

Tamper-Resistant Drilled Spanner Stainless Steel Truss Head Screws

A wide top distributes weight and a two-hole design deters tampering

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

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

Steel Round Head Phillips Screws

Steel Round Head Phillips Screws

A domed profile that gives a decorative look

Tamper-Resistant Torx Stainless Steel Button Head Screws

Tamper-Resistant Torx Stainless Steel Button Head Screws

Deter unauthorized access in corrosive environments

Thread-Locking Steel Button Head Hex-Drive Screws

Thread-Locking Steel Button Head Hex-Drive Screws

Strong and vibration resistant to lock parts in place on machinery that experiences mild vibration

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

Steel Round Head Combination Phillips/Slotted Screws

Steel Round Head Combination Phillips/Slotted Screws

Two common drive styles in a single screw

Stainless Steel Round Head Phillips Screws

Stainless Steel Round Head Phillips Screws

The most corrosion-resistant round head Phillips screws we offer

Stainless Steel Pan Head Slotted Screws

Stainless Steel Pan Head Slotted Screws

The most corrosion-resistant pan head slotted screws we offer

Stainless Steel Truss Head Slotted Screws

Stainless Steel Truss Head Slotted Screws

Our most corrosion-resistant truss head slotted screws

Steel Button Head Torx Plus Screws

Steel Button Head Torx Plus Screws

Our strongest Torx Plus rounded head screws

Steel Pan Head Slotted Screws

Steel Pan Head Slotted Screws

The pan head has the simplest drive style

Thread-Locking Stainless Steel Button Head Hex-Drive Screws

Thread-Locking Stainless Steel Button Head Hex-Drive Screws

Corrosion and vibration resistant, these button head screws secure parts during mild vibration

Tamper-Resistant Hex-Drive Steel Button Head Screws

Tamper-Resistant Hex-Drive Steel Button Head Screws

Our strongest hex-drive screws for deterring unauthorized access

Other Products

Carriage Bolts

A smooth head provides a finished look while a square neck keeps the bolt in place when using a nut

Toilet Seat Fasteners

Toilet Seat Fasteners

Secure toilet seat hinges to your toilet bowl

Binding Barrels

Binding Barrels

Create custom low-profile fasteners with binding barrel posts, caps, and screws

Tapping Screws

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

Oval Head Screws

Oval Head Screws

The domed top sits slightly above the surface of countersunk holes for a decorative look

Anchors

Secure anything from signs to heavy machinery in concrete, brick, and drywall

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