Flat Head Bolts | McMaster-Carr

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15,060 Products

Flat Head Screws

Steel Hex-Drive Flat Head Screws

Steel Hex-Drive Flat Head Screws

Our strongest hex-drive flat head screws

Stainless Steel Hex-Drive Flat Head Screws

Stainless Steel Hex-Drive Flat Head Screws

The most corrosion-resistant hex-drive flat head screws we offer

Stainless Steel Phillips Flat Head Screws

Stainless Steel Phillips Flat Head Screws

Align easily with drivers and resist corrosion

Steel Phillips Flat Head Screws

Steel Phillips Flat Head Screws

A common drive style that aligns easily with drivers

Plastic Slotted Flat Head Screws

Plastic Slotted Flat Head Screws

Lightweight, nonconductive, and naturally rust resistant

Brass Hex-Drive Flat Head Screws

Brass Hex-Drive Flat Head Screws

Conductive, nonmagnetic, and corrosion resistant in humid environments

Stainless Steel Slotted Flat Head Screws

Stainless Steel Slotted Flat Head Screws

The most corrosion-resistant slotted flat head screws we offer

Steel Torx Flat Head Screws

Steel Torx Flat Head Screws

The deep six-lobe opening prevents your driver from slipping

Stainless Steel Torx Flat Head Screws

Stainless Steel Torx Flat Head Screws

The most corrosion-resistant Torx flat head screws we offer

Steel Slotted Flat Head Screws

Steel Slotted Flat Head Screws

A simple yet effective drive style for light duty tasks

Steel Torx Plus Flat Head Screws

Steel Torx Plus Flat Head Screws

The strongest Torx Plus flat head screws we offer

Sealing Stainless Steel Phillips Drive Flat Head Screws

Sealing Stainless Steel Phillips Drive Flat Head Screws

Keep out dust and contaminants while locking in air and fluid

Tamper-Resistant Torx Stainless Steel Flat Head Screws

Tamper-Resistant Torx Stainless Steel Flat Head Screws

Hold up against corrosion, deter unauthorized access, and prevent your driver from slipping

Brass Slotted Flat Head Screws

Brass Slotted Flat Head Screws

Corrosion resistant, conductive, and nonmagnetic with a basic drive style

Aluminum Phillips Flat Head Screws

Aluminum Phillips Flat Head Screws

The lightest Phillips flat head screws we offer

Thread-Locking Steel Hex-Drive Flat Head Screws

Thread-Locking Steel Hex-Drive Flat Head Screws

Keep parts from coming loose on machinery with mild vibration

Stainless Steel Torx Plus Flat Head Screws

Stainless Steel Torx Plus Flat Head Screws

The most corrosion-resistant Torx Plus flat head screws we offer

Brass Phillips Flat Head Screws

Brass Phillips Flat Head Screws

Conductive, nonmagnetic Phillips screws that resist corrosion in humid environments

Titanium Phillips Flat Head Screws

Titanium Phillips Flat Head Screws

The best of both worlds, they're lightweight and resist corrosion better than stainless steel

JIS Steel Flat Head Screws

JIS Steel Flat Head Screws

Manufactured to meet Japanese Industrial Standards

Left-Hand-Thread Stainless Steel Hex-Drive Flat Head Screws

Left-Hand-Thread Stainless Steel Hex-Drive Flat Head Screws

Turn to the left to tighten and prevent loosening from counterclockwise motion

Tamper-Resistant Drilled Spanner Stainless Steel Flat Head Screws

Tamper-Resistant Drilled Spanner Stainless Steel Flat Head Screws

The unique two-hole design deters tampering

Venting Stainless Steel Hex-Drive Flat Head Screws

Venting Stainless Steel Hex-Drive Flat Head Screws

Prevent the build up of pressure or vacuum in sealed spaces

Sealing Tamper-Resistant Torx Stainless Steel Flat Head Screws

Sealing Tamper-Resistant Torx Stainless Steel Flat Head Screws

Prevent unauthorized access while keeping out contaminants and locking in air and fluid

Tamper-Resistant Hex-Drive Stainless Steel Flat Head Screws

Tamper-Resistant Hex-Drive Stainless Steel Flat Head Screws

Prevent unauthorized access and damage to components

Aluminum Slotted Flat Head Screws

Aluminum Slotted Flat Head Screws

Our lightest metal slotted flat head screws

JIS Stainless Steel Flat Head Screws

JIS Stainless Steel Flat Head Screws

The most corrosion-resistant flat head screws we offer that meet Japanese Industrial Standards

Thread-Locking Stainless Steel Hex-Drive Flat Head Screws

Thread-Locking Stainless Steel Hex-Drive Flat Head Screws

Resist corrosion and won't come loose on machinery with mild vibration

Thread-Locking Stainless Steel Phillips Flat Head Screws

Thread-Locking Stainless Steel Phillips Flat Head Screws

Our best Phillips flat head screws for keeping parts from coming loose on machinery with mild vibration

Tamper-Resistant Torx Plus Stainless Steel Flat Head Screws

Tamper-Resistant Torx Plus Stainless Steel Flat Head Screws

A secure, tamper-resistant option for corrosive environments

Extended-Tip Steel Slotted Flat Head Screws

Extended-Tip Steel Slotted Flat Head Screws

The tip guides the shaft into holes, keeping the screw straight and threads aligned

Stainless Steel Hex-Drive Flat Head Screw Assortments

Stainless Steel Hex-Drive Flat Head Screw Assortments

Keep a range of sizes of our most corrosion-resistant flat head screws on hand

Steel Hex-Drive Flat Head Screw Assortments

Steel Hex-Drive Flat Head Screw Assortments

Keep a range of sizes on hand to fasten a variety of machinery and equipment

Tamper-Resistant Torx Steel Flat Head Screws

Tamper-Resistant Torx Steel Flat Head Screws

Our strongest tamper-resistant Torx flat head screws

Tamper-Resistant Torx Plus Steel Flat Head Screws

Tamper-Resistant Torx Plus Steel Flat Head Screws

Our strongest tamper-resistant Torx Plus flat head screws

Other Products

Rounded Head Screws

Rounded Head Screws

Sit just above the surface for a low-profile finish and hold tighter than flat head screws

Binding Barrels and Screws

Binding Barrels and Screws

Thread together for a low-profile fastener

Elevator Bolts

Create a flush joint to allow movement in tight spaces such as grain elevators and belting systems

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

Plow Bolts

The head sits flush with countersunk holes while the bolt stays in place when tightening a nut

Shoulder Screws

Shoulder Screws

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

Hex Head Screws

Hex Head Screws

Used with nuts to create a stronger joint than flat and rounded screws

Fastener Assortments

Fastener Assortments

Keep a variety of common screws, nuts, and washers on hand

Single-End Studs

Single-End Studs

Use the unthreaded end as a pivot point, hinge, shaft, or locator pin

Wood Screws

Fasten material to wood or pieces of wood to each other

Tighten and loosen by hand without the need for tools

Captive Pins

Press into holes in thin materials like panels and circuit boards to permanently join or align them

Set Screws

Exert pressure at the tip to hold parts in place, unlike screws that hold material together with threads

Anchors

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

Captive Panel Screws

Captive Panel Screws

Secure panels and enclosures while still having access to them

Locating Pin Lock Screws

Locating Pin Lock Screws

Secure removable locating pins

Drill Bushing Lock Screws

Drill Bushing Lock Screws

Prevent drill bushings from spinning

Drywall Screws

Fasten panels of drywall to materials such as wood, metal, and drywall

Screwdrivers

Tighten and loosen screws

Spring Plungers

Spring Plungers

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

Thread Adapters

Thread Adapters

Join threads of a different type, size, and gender

Screwdriver Bits

Screwdriver Bits

Pair with drivers to turn screws

Torque Screwdrivers

Torque Screwdrivers

Apply precise torque as you fasten screws to prevent overtightening

Screw Starters

Grip and start turning screws that are too small to hold or located in hard-to-reach spots

Screwdriver/Nutdrivers

Screwdriver/Nutdrivers

Quickly switch between driving screws and driving nuts

L-Keys

Turn fasteners from either end and reach into tight spots

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