SAE Screws | McMaster-Carr

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Material

Stainless Steel

Thread Type

Metric Trapezoidal

System of Measurement

Thread Size

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Fastener Head Type

Threading

Partially Threaded

Threaded on Both Ends

Threaded on One End

Finish

Black Zinc Plated

Corrosion-Resistant Coated

Hot-Dipped Galvanized

Neoprene Coated

Phosphate Coated

Drive Style

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External 12-Point

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Spring Plunger Wrench

Tamper-Resistant Hex

Tamper-Resistant Torx

Tamper-Resistant Torx Plus

Fastener Strength Grade/Class

Thread Spacing

Head Height

Thread Direction

Head Diameter

Socket Head Profile

Specifications Met

Federal Specification

Tensile Strength

Less than 10,000 psi

10,000 psi to 19,999 psi

20,000 psi to 29,999 psi

30,000 psi to 99,999 psi

100,000 psi or greater

Rounded Head Style

Drive Size

Screw Size

Screw Features

DFARS Specialty Metals

REACH

RoHS

Compliant with Exemptions

Export Control Classification Number (ECCN)

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12,024 Products

Fastening and Joining

Hex Head Screws

Hex Head Screws

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

Rounded Head Screws

Rounded Head Screws

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

Flat Head Screws

Flat Head Screws

Fit in countersunk holes for a flush finish

Carriage Bolts

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

Set Screws

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

Tapping Screws

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

Shoulder Screws

Shoulder Screws

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

Tighten and loosen by hand without the need for tools

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

Square Head Screws

Square Head Screws

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

Plow Bolts

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

Captive Panel Screws

Captive Panel Screws

Secure panels and enclosures while still having access to them

Wood Screws

Fasten material to wood or pieces of wood to each other

Hanger Bolts

Suspend pipe and other fixtures with wire or cable ties

Hold-Down Bolts

Hold-Down Bolts

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

Studs

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

T-Bolts

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

Threaded Rods

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

Standoff Caps

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

Standoffs

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

Single-End Studs

Single-End Studs

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

Spring Plungers

Spring Plungers

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

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

Thread Adapters

Thread Adapters

Join threads of a different type, size, and gender

Binding Barrels and Screws

Binding Barrels and Screws

Thread together for a low-profile fastener

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

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