Layout Tools | McMaster-Carr

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2,541 Products

Measuring and Inspecting

Parallel Rules

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

Layout Compasses

Layout Compasses

Draw circles and transfer distance measurements

Compass Point-Holding Clamps

Compass Point-Holding Clamps

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

Contour Gauges

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

Straightedge/Protractors

Straightedge/Protractors

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

Straightedges

Draw straight lines and check the straightness of surfaces

Contour Markers

Contour Markers

Draw precise lines on pipe and structural steel to guide cuts

Angle Transfers

Angle Transfers

Duplicate any angle in construction and other applications

Drafting Curves

Drafting Curves

Use as templates for drawing curved lines

Center Punches

Mark center holes in metal and other material

Squares

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

Rulers

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

Protractors

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

Tape Measures

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

Combination Square Blades

Combination Square Blades

Connect to a combination square head to create a combination square

Coordinate Measuring Machine Plates and Fixtures

Coordinate Measuring Machine Plates and Fixtures

Raise workpieces and position them on a fixture plate

Pipe Size Chart/Rulers

Pipe Size Chart/Rulers

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

Combination Square Heads

Combination Square Heads

Attach combination square blades to form a combination square

Gauge Blocks

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

Surface Plates

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

Squareness Gauges

Squareness Gauges

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

Coordinate Measurement Machine Probes

Coordinate Measurement Machine Probes

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

Calibration Squares

Calibration Squares

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

Staff Gauges

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

Threaded Hole Location Gauges

Threaded Hole Location Gauges

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

Height Gauge Calibrators

Height Gauge Calibrators

Ensure height gauges are accurate

Levels

Ensure surfaces are completely horizontal or vertical

Level Mounts

Strap to nonmagnetic surfaces to attach a magnetic level

Level Vials

Replace vials in levels or equipment

Pipe Flange Aligners

Pipe Flange Aligners

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

Laser Levels

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

Leveling Rods

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

Inspection Parallels

Inspection Parallels

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

Inspection Setup Blocks

Inspection Setup Blocks

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

Inspection V-Blocks

Inspection V-Blocks

Cradle rods and other round workpieces for precision measuring or inspecting

Light Boxes

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

Fabricating and Machining

Multitools

A variety of tools and blades all in one

Angle Plates

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

Fixture Tables

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

Setup Blocks

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

Rotary Angle Indexers

Rotary Angle Indexers

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

Sine Plates

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

Communication

Eraser Shields

Block parts of your surface from being erased

Ink

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

Stencils

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

Pencils

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

Pencil Lead

Refill pencils with different grades of lead

Pens

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

Drafting Paper

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

Plotter Pens

Use with plotter machines to produce design, engineering, and architectural drawings

Pencil Sharpeners

Pencil Sharpeners

Sharpen pencils manually or automatically

Erasers

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

Material Handling

Forklift Fork Level Indicators

Forklift Fork Level Indicators

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

Fluid Handling

Pipe and Pipe Fittings

Pipe and Pipe Fittings

Generally thicker and more rigid than tubing for distributing liquids and gases through your facility

Containers, Storage, and Furniture

Drafting Boards

Drafting Boards

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

Drafting Board Covers

Drafting Board Covers

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

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