Layout Tools | McMaster-Carr

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2,803 Products

Most Likely Products

Parallel Rules

Draw parallel lines, as well as circles, arcs, and angles

1 product

Rulers

Horizontal, vertical, circumference, center-finding, and pica rulers

652 products

Squares

Check 90° angles during layout work with combination, angle, or pipefitters' squares

114 products

Layout Compasses

Draw circles and transfer distance measurements

27 products

Levels

Ensure surfaces are completely horizontal or vertical

187 products

Rivet Hole Locators

Mark even spacing for rivets and other fasteners before you drill

1 product

All Results

Measuring and Inspecting

Parallel Rules

Draw parallel lines, as well as circles, arcs, and angles

1 product

Layout Compasses

Draw circles and transfer distance measurements

27 products

Rivet Hole Locators

Mark even spacing for rivets and other fasteners before you drill

1 product

Compass Point-Holding Clamps

Attach to a pipe, ruler, or beam to scribe circles and arcs too large for a compass

3 products

Contour Markers

Draw precise lines on pipe and structural steel to guide cuts

2 products

Straightedges

Draw straight lines and check the straightness of surfaces

44 products

Contour Gauges

Transfer contours, patterns, and shapes for jobs such as installing floor tile and pipe insulation

7 products

Drafting Curves

Use as templates for drawing curved lines

5 products

Straightedge/Protractors

Draw straight lines and measure angle, slope, and rise with one tool

2 products

Angle Transfers

Duplicate any angle in construction and other applications

2 products

Center Punches

Mark center holes in metal and other material

3 products

Rulers

Horizontal, vertical, circumference, center-finding, and pica rulers

652 products

Squares

Check 90° angles during layout work with combination, angle, or pipefitters' squares

114 products

Gauge Blocks

Confirm dies, fixtures, and other workpieces meet precise tolerances and calibrate measuring tools

738 products

Protractors

Set bevels and measure angles with everything from pocket-size to long-arm protractors

36 products

Tape Measures

Standard, long, center-finding, and flexible tape measures

1 product

Threaded Hole Location Gauges

Pinpoint the true center of threaded holes to precisely align and measure parts

70 products

Combination Square Blades

Connect to a combination square head to create a combination square

17 products

Pipe Size Chart/Rulers

Curl around pipe to gauge its size, measure its diameter, or mark lines

3 products

Combination Square Heads

Attach combination square blades to form a combination square

28 products

Coordinate Measuring Machine Plates and Fixtures

Raise workpieces and position them on a fixture plate

126 products

Squareness Gauges

Check frames and machined parts to see if they are leaning or uneven

3 products

Surface Plates

Extremely flat to give an accurate reference plane for layout and inspection work

51 products

Coordinate Measurement Machine Probes

Take 3D measurements of workpieces on your CMM or CNC machine to inspect for quality

50 products

Calibration Squares

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

2 products

Staff Gauges

Typically mounted to walls and tanks for measuring the level of liquids, such as water, fuel, and oil

32 products

Height Gauge Calibrators

Ensure height gauges are accurate

11 products

Levels

Ensure surfaces are completely horizontal or vertical

187 products

Level Vials

Replace vials in levels or equipment

16 products

Pipe Flange Aligners

Line up flange holes so they bolt securely and connections won’t leak

18 products

Laser Levels

Project level references onto surfaces when installing drop ceilings, pipe, or conveyors

22 products

Inspection Parallels

Line up workpieces for precise machining, or support them at a level height for inspecting

8 products

Leveling Rods

Use with sight levels to estimate the distance between you and a given object

5 products

Level Mounts

Strap to nonmagnetic surfaces to attach a magnetic level

2 products

Inspection Setup Blocks

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

2 products

Inspection V-Blocks

Cradle rods and other round workpieces for precision measuring or inspecting

10 products

Light Boxes

Illuminate your drafting work and view transparencies, slides, and X-rays

12 products

Fabricating and Machining

Angle Plates

Ensure accurate right angles and hold workpieces and fixtures perpendicular to your machine table

64 products

Rotary Angle Indexers

Position round workpieces at precise, repeatable angles for machining flats, hexes, and key slots

2 products

Fixture Tables

Add clamps, brackets, and other components to build fixtures for welding and assembly

70 products

Fixture Squares

Build different fixtures on multiple sides of the same block

38 products

Parallels

Raise workpieces above your vise to create clearance for cutting tools

92 products

Sine Plates

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

4 products

Grid Fixture Plates

Use threaded and unthreaded holes to position workpieces for precise and repeatable machining

63 products

V-Blocks

Hold round workpieces

72 products

Setup Blocks

Use as mounting bases and supports to ensure accurate angles and spacing

31 products

Multitools

A variety of tools and blades all in one

1 product

Drill Bit Guides

Drill precise holes without building a fixture

2 products

Communication

Pencil Lead

Refill pencils with different grades of lead

1 product

Pencils

Everyday, illustrators', mechanical, carpenters', and welders' pencils

25 products

Pencil Sharpeners

Sharpen pencils manually or automatically

6 products

Erasers

Remove mistakes and stray marks from paper, dry erase boards, and chalkboards

7 products

Pens

Everyday, four-color, any-angle, metal-detectable, and antistatic ink pens

28 products

Plotter Pen Router Bits

Hold a pen rather than a blade so you can trace a CNC machine’s path before you cut

2 products

Ink

Apply ink to rollers, pads, or stamps, then mark surfaces such as paper, fabric, metal, and plastic

1 product

Eraser Shields

Block parts of your surface from being erased

1 product

Stencils

Paint over or trace to create everything from custom messages to drafting designs

20 products

Whiteboard Trays

Store dry erase markers and erasers right on your whiteboard

3 products

Drafting Paper

Create high-quality technical drawings with lead, ink, or laser printing

8 products

Material Handling

Forklift Fork Level Indicators

Mount to your forklift's mast to check if forks are level from the driver's seat

1 product

Containers, Storage, and Furniture

Drafting Board Covers

Cut to size and adhere with tape to protect drafting board surfaces

4 products

Drafting Boards

Adjust the angle, slide the parallel rule, and carry wherever needed to make plans and drawings

2 products

Fluid Handling

Pipe Joiners

Connect heavy and difficult-to-position gasketed pipe without powered equipment

1 product