Washer Heads | McMaster-Carr

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System of Measurement

Thread Size

Length

Material

Stainless Steel

Fastener Head Type

Screw Features

Drive Style

External 12-Point

Tamper-Resistant Torx

Threading

Partially Threaded

Finish

Black Zinc Plated

Corrosion-Resistant Coated

Galvanic Barrier Coated

Hot-Dipped Galvanized

Phosphate Coated

Ultra-Corrosion-Resistant Coated

Zinc Yellow-Chromate Plated

Screw Size

Tip Type

Head Width

Thread Type

Rounded Head Style

For Use In

Stainless Steel

Fastener Strength Grade/Class

Head Height

Thread Pitch

Spray Pattern

Multiple Flat Stream

Multiple Solid Stream

Head Diameter

Flange Diameter

Pipe Size

DFARS Specialty Metals

RoHS

Compliant with Exemptions

REACH

Export Control Classification Number (ECCN)

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5,791 Products

Fastening and Joining

Rounded Head Screws

Rounded Head Screws

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

Tapping Screws

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

Wood Screws

Fasten material to wood or pieces of wood to each other

Hex Head Screws

Hex Head Screws

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

12-Point Screws

12-Point Screws

12 contact points handle more torque than a hex head while a flange eliminates the need for a washer

Socket Head Screws

Socket Head Screws

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

Anchors

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

Fluid Handling

Spray Nozzles

Clean, rinse, and apply coatings with pressurized liquid

Facility and Grounds Maintenance

Shower Heads

Direct the spray of water in a shower or shower station

Water Jet Drain Cleaner Nozzles

Water Jet Drain Cleaner Nozzles

Blast through blocked pipes by attaching to a high-pressure water line

Wash Guns

Fasten to a hose to control water flow during washdowns

Pressure Washer Guns

Pressure Washer Guns

Control the flow of water sprayed from a pressure washer

Siphon Guns

Spray liquid and air at the same time to produce a mist of liquids or chemicals

Garden Hose Nozzles

Garden Hose Nozzles

Control the flow from a garden hose for spraying and washing

Steam Cleaners

Clean and sanitize surfaces with steam

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