Square Plates | McMaster-Carr

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System of Measurement

Thickness

Width

Length

Shape

Material

Tolerance Rating

Appearance

Fabrication

Hardness Rating

Hardness

Mechanical Finish

Yield Strength

20,000 psi to 29,999 psi

30,000 psi to 39,999 psi

40,000 psi to 99,999 psi

100,000 psi or greater

Specifications Met

CBC Compliant 24 CCR Part 2

Fed. Spec. QQ-T-570

SAE Standard

Certificate Type

Accuracy Certificate Traceable to NIST

Calibration Certificate Traceable to NIST

Material Certificate with Traceable Lot Number

DFARS Specialty Metals

Heat Treatment

Performance

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

Yes

RoHS

Compliant

Compliant with Exemptions

Not Compliant

Export Control Classification Number (ECCN)

Maximum Temperature

REACH

Minimum Temperature

Elongation

Heat Treatable

6,757 Products

Raw Materials

Steel

Strong, machinable, and weldable—all with material certificates for traceability

3,761 products

Aluminum

Lightweight, easy to machine, and corrosion resistant—all with material certificates for traceability

102 products

Niobium

Conductive and corrosion resistant even at extreme temperatures—all with material certificates for traceability

6 products

Copper

Our most conductive metal for electrical applications—all with material certificates for traceability

12 products

Stainless Steel

Resists corrosion and chemicals in most environments—all with material certificates for traceability

2,478 products

Building and Machinery Hardware

Brackets

Connect surfaces in an assembly

6 products

Turntables

Rotate to reposition machinery and equipment

42 products

Positioning Arm Mounts

Add a mounting surface to positioning arms

4 products

Measuring and Inspecting

Calibration Squares

Lay horizontally or vertically on CNC machines to check the position of tools with high precision

1 product

Coordinate Measuring Machine Fixture Plates

Lay the foundation for your fixturing setup

29 products

Inspection Setup Blocks

Line up workpieces at precise heights and angles for machining, measuring, and inspecting

2 products

Communication

Tags

Hang throughout facilities to convey information

60 products

Signs

Everything from accident prevention to traffic control to exit signs

67 products

Fabricating and Machining

Fixture Squares

Build different fixtures on multiple sides of the same block

38 products

Sine Plates

Use with gauge blocks to measure angles on your workpiece or set up a part for precision grinding

4 products

Lapping Plates

Create extremely flat surfaces on workpieces with lapping compounds or built-in abrasives

1 product

Fastening and Joining

Welding Plates

Create a custom dam or mold to control metal flow while welding

4 products

Electrical Power, Networking, and Controlling

Wall Plates

Cover switches and outlets for a finished look or to close them off when not in use

31 products

Outlet Boxes

House electrical components such as on-off switches, receptacles, and dimmer knobs

82 products

Material Handling

Lift Tables

Lift material to a comfortable working height and adjust as needed

19 products