Center Guides | McMaster-Carr

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431 Products

Measuring and Inspecting

Transfer Punches

Mark the center of an existing hole onto a separate workpiece

320 products

Center Finders

Line up your drill with the center of round bars and pipe

1 product

Layout Marking Supplies

Before laying them out, draw lines and punch holes in workpieces

1 product

Edge Finders

Locate edges, shoulders, center points, and lines on workpieces in milling machines

11 products

Layout Compasses

Draw circles and transfer distance measurements

1 product

Center Punch/Angle Indicators

Find the center of pipe and other parts and determine setup angles on milling machines and grinders

5 products

Center Punches

Mark center holes in metal and other material

6 products

Combination Square Center Heads

Attach combination square blades to form a combination square

15 products

Machine Tool Indicators

Find the exact edge of a workpiece without math or guesswork to quickly align your machining setup

6 products

Squares

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

27 products

Protractors

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

1 product

Tape Measures

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

2 products

Thread Size Identifiers

Confirm your fastener's thread size, pitch, or threads per inch

1 product

Fabricating and Machining

Drill Bits

Create holes in metal, wood, plastic, concrete, and more

16 products

Drill Guides

Pair with handheld drills to create precise holes, no drill press required

2 products

Drill Bit Guides

Drill precise holes without building a fixture

4 products

Building and Machinery Hardware

T-Slotted Framing Drill Jigs

Guide bits to drill straight, accurate holes in T-slotted rails

13 products