Screws with Material Certification | McMaster-Carr

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Certificate Type

Calibration Certificate

Material Certificate

System of Measurement

Thread Size

Length

Material

651 Silicon Bronze

Grade 2 Titanium

Stainless Steel

Fastener Head Type

Drive Style

Tamper-Resistant Hex

Specifications Met

Federal Specification

Socket Head Profile

Threading

Partially Threaded

Head Diameter

Head Height

Shoulder Length

Finish

Hot-Dipped Galvanized

Phosphate Coated

Tin Zinc Plated

Titanium Carbon Nitride (TiCN) Coated

Zinc Flake Coated

Zinc Yellow-Chromate Plated

Tensile Strength

30,000 psi to 99,999 psi

100,000 psi or greater

Thread Type

Shoulder Diameter

Thread Pitch

Thread Direction

Drive Size

Fastener Strength Grade/Class

ASTM Grade A325

Thread Spacing

DFARS Specialty Metals

RoHS

Compliant with Exemptions

Export Control Classification Number (ECCN)

REACH

How can we improve?

3,883 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

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

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

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

Hanger Bolts

Suspend pipe and other fixtures with wire or cable ties

Carriage Bolts

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

Oval Head Screws

Oval Head Screws

The domed top sits slightly above the surface of countersunk holes for a decorative look

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

Binding Barrels and Screws

Binding Barrels and Screws

Thread together for a low-profile fastener

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

Thread Adapters

Thread Adapters

Join threads of a different type, size, and gender

Anchors

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

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

Torque Screwdrivers

Torque Screwdrivers

Apply precise torque as you fasten screws to prevent overtightening

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