Hole Centers | McMaster-Carr

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System of Measurement

Diameter

3/16" to 1 1/16"

Material

Aluminum Bronze

Carbide-Tipped Steel

Stainless Steel

Length

Head Diameter

Mount Type

Thread Size

DFARS Specialty Metals

Export Control Classification Number (ECCN)

REACH

RoHS

Compliant with Exemptions

Point Diameter

Locating Pin Head Type

Shank Diameter

Drill Bit Size

Overall Length

Pin Diameter

For Hole Type

For Use On

Offset Surfaces

Hole Shape

Number of Pieces

ID

Body Shape

Grip Texture

Head Height

Punch Material

Aluminum Bronze

How can we improve?

1,189 Products

Measuring and Inspecting

Transfer Punches

Transfer Punches

Mark the center of an existing hole onto a separate workpiece

Center Finders

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

Edge Finders

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

Layout Marking Supplies

Layout Marking Supplies

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

Center Punches

Mark center holes in metal and other material

Center Punch/Angle Indicators

Center Punch/Angle Indicators

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

Layout Compasses

Layout Compasses

Draw circles and transfer distance measurements

Thread Size Identifiers

Thread Size Identifiers

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

Caliper Tips

Install on your caliper to measure hard-to-reach areas or center-to-center distances

Calipers

Take inside, outside, and depth measurements with more precision than a ruler

Threaded Hole Location Gauges

Threaded Hole Location Gauges

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

Machine Tool Indicators

Machine Tool Indicators

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

Protractors

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

Machine Tool Indicator Contact Points

Machine Tool Indicator Contact Points

Replace the contact point on your machine tool indicator

Squares

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

Tape Measures

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

Combination Square Center Heads

Combination Square Center Heads

Attach combination square blades to form a combination square

Alignment Pins

Line up holes in sheet metal, I-beams, and angle irons for bolting, riveting, and welding

Pipe Flange Aligners

Pipe Flange Aligners

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

Fabricating and Machining

Drill Bit Guides

Drill Bit Guides

Drill precise holes without building a fixture

Drill Bits

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

Locating Pins

Install in fixturing plates or tables to position and secure workpieces

Fixture Kits

Everything needed to mount workpieces of different sizes to your machine table

Index Plungers

Align parts that have mating bushings for more precision than standard spring plungers

Alignment Locks

Alignment Locks

Precisely align your mold halves

Lathe Centers

Use in a lathe's headstock or tailstock to support the end of a workpiece

Material Handling

Robot Tool Changer Calibration Styli

Robot Tool Changer Calibration Styli

Calibrate robot arm movement for precision in tasks such as attaching fasteners

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