Zinc-Aluminum Coated Screws | McMaster-Carr

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Finish

Black Zinc Plated

Corrosion-Resistant Coated

Galvanic Barrier Coated

Material

Stainless Steel

System of Measurement

Thread Size

Length

Fastener Head Type

Threading

Partially Threaded

Threaded on Both Ends

Drive Style

External Square

Hex with Pilot Recess

Spring Plunger Driver

Tamper-Resistant Torx

Fastener Strength Grade/Class

ASTM Grade A325

Head Height

Screw Size

Thread Pitch

Head Width

Thread Direction

Right Hand and Left Hand

Thread Spacing

For Use In

DFARS Specialty Metals

RoHS

Compliant with Exemptions

REACH

Export Control Classification Number (ECCN)

Washer Material

Stainless Steel

Body Finish

Body Material

Head Material

Terminal Material

Retainer Material

18-8 Stainless Steel

1008-1010 Low-Carbon Steel

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19,463 Products

Fastening and Joining

Hex Head Screws

Hex Head Screws

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

Rounded Head Screws

Rounded Head Screws

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

Socket Head Screws

Socket Head Screws

With a deeper drive than flat and rounded head screws, these withstand more torque for a tighter hold

Tapping Screws

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

Flat Head Screws

Flat Head Screws

Fit in countersunk holes for a flush finish

Wood Screws

Fasten material to wood or pieces of wood to each other

Carriage Bolts

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

Drywall Screws

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

Tighten and loosen by hand without the need for tools

Square Head Screws

Square Head Screws

Turn the large flat sides with a wrench into square holes that stop further rotation

Shoulder Screws

Shoulder Screws

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

Fastener Assortments

Fastener Assortments

Stay prepared by keeping fasteners in common sizes and materials on hand

Elevator Bolts

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

Studs

Press, weld, or screw in place to add a threaded fastening point

Hanger Bolts

Suspend pipe and other fixtures with wire or cable ties

Plow Bolts

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

Set Screws

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

Captive Panel Screws

Captive Panel Screws

Secure panels and enclosures while still having access to them

Hold-Down Bolts

Hold-Down Bolts

Hold material under the bent head while the other end is tightened down with a nut

Jack Screws

Secure computer cables and panels

Joint Clamps for Wood

Joint Clamps for Wood

Make secure joints between boards, butcher blocks, and countertops

T-Bolts

Turn by hand for easy fastening, use as a handle, or attach as a point for straps and clamps

Binding Barrels and Screws

Binding Barrels and Screws

Thread together for a low-profile fastener

Rivet Nuts

Add threads to thin panels with access from only one side; also known as blind inserts

Weld Nuts

Weld to metal surfaces to add permanent threads

Threaded Rods

Anchor, connect, or hang components in a wide variety of applications

Anchors

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

Standoffs

Threaded to separate or connect parts as well as position components in assemblies

Standoff Caps

Create a finished look on standoffs and protect them from dirt and debris

Thread Adapters

Thread Adapters

Join threads of a different type, size, and gender

Screw Nails

Drive like nails but hold like screws in drilled holes in wood, plastic, drywall, and masonry

Nails

Drive into wood, plastic, drywall, and masonry

Captive Pins

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

Anchor Toggles

Replace your anchor toggle if it falls when removing your toggle bolt

Spring Plungers

Spring Plungers

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

Magnets

Attract or repel metal objects to hang, secure, or position them

Anchor Installation Tools

Anchor Installation Tools

Drive with a hammer to expand and secure anchors in place

Building and Machinery Hardware

T-Slotted Framing and Fittings

T-Slotted Framing and Fittings

The most versatile system, attach fittings along the continuous slots to build virtually anything

Strut Channel Framing and Fittings

Strut Channel Framing and Fittings

Secure fittings in the U-shaped channel to route conduit and pipe or build other structures

Locking-Slotted Framing and Fittings

Locking-Slotted Framing and Fittings

Make platforms, bases, and other structures that stand up to more movement than T-slotted framing

Knobs

Position, tighten, and secure fixtures and equipment

Pull Handles and Knobs

Pull Handles and Knobs

Open and close cabinets, drawers, and doors on machines and equipment

Material Handling

Eyebolts

Route rope through the loop or attach hooks and shackles for lifting

Eye Nuts

Pair with bolts or threaded rod to lift and hang components

Wheel Axles

Connect rotating wheels and support vehicles

Jacks

Lift, hold, push, and position heavy objects

Containers, Storage, and Furniture

Hanging Hooks

Hang tools, hoses, garments, and other supplies on walls for easy access

Tool Holders

Mount brooms, cordless drills, flashlights, and other tools

Power Transmission

Lead Screws and Nuts

Lead Screws and Nuts

Components travel along a screw with broad, square threads to clamp and lift heavy loads

Connecting Rods

Connecting Rods

Use with rod ends and swivel joints to link components in push/pull assemblies

Electrical

Binding Posts

Test circuits before making permanent connections

Split-Bolt Connectors

Split-Bolt Connectors

Splice large wire sizes without special tools

Fabricating and Machining

Fixture Clamps

Secure your workpiece to a fixture table so it won't move during machining

Measuring and Inspecting

Coordinate Measuring Machine Plates and Fixtures

Coordinate Measuring Machine Plates and Fixtures

Raise workpieces and position them on a fixture plate

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