Screws with Material Certification | McMaster-Carr

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Certificate Type

Calibration Certificate

Material Certificate

System of Measurement

Thread Size

Length

Material

Ceramic Alumina

Grade 2 Titanium

Stainless Steel

Fastener Head Type

Drive Style

External 12-Point

External Square

Hex with Pilot Recess

Tamper-Resistant Hex

Tamper-Resistant Torx

Threading

Partially Threaded

Threaded on Both Ends

Threaded on One End

Finish

Corrosion-Resistant Coated

Hot-Dipped Galvanized

Phosphate Coated

Tin Zinc Plated

Titanium Carbon Nitride (TiCN) Coated

Zinc Flake Coated

Zinc Yellow-Chromate Plated

Socket Head Profile

Head Diameter

Head Height

Thread Pitch

Specifications Met

Federal Specification

Thread Direction

Thread Type

Thread Spacing

Fastener Strength Grade/Class

ASTM Grade A325

ASTM Grade A490

Rounded Head Style

Drive Size

Tensile Strength

20,000 psi to 29,999 psi

30,000 psi to 99,999 psi

100,000 psi or greater

DFARS Specialty Metals

RoHS

Compliant with Exemptions

REACH

Export Control Classification Number (ECCN)

U.S.–Mexico–Canada Agreement (USMCA) Qualifying

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9,158 Products

Fastening and Joining

Socket Head Screws

Socket Head Screws

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

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

Flat Head Screws

Flat Head Screws

Fit in countersunk holes for a flush finish that won't snag on surrounding parts

Shoulder Screws

Shoulder Screws

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

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

Tighten and loosen by hand without the need for tools

Carriage Bolts

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

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

Wood Screws

Fasten material to wood or pieces of wood to each other

Elevator Bolts

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

Hanger Bolts

Suspend pipe and other fixtures with wire or cable ties

Concrete Screws

Concrete Screws

Anchor parts to concrete, block, and brick without tapping the hole first

Studs

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

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

Binding Barrels

Binding Barrels

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

Standoff Caps

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

Standoffs

Separate, position, or connect components in assemblies

Threaded Rods

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

Thread Adapters

Thread Adapters

Join threads of a different type, size, and gender

Single-End Studs

Single-End Studs

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

Weld Nuts

Weld to metal surfaces to add permanent threads

Rivet Nuts

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

Anchors

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

Torque Screwdrivers

Torque Screwdrivers

Apply precise torque as you fasten screws to prevent overtightening

Torque Screwdriver Handles

Torque Screwdriver Handles

Pair with a shaft to create a custom torque screwdriver

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