3/8" Hole Punches | McMaster-Carr

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4,593 Products

Fabricating and Machining

Hole Punches

Punch holes in metal, plastic, and fabric

300 products

Paper Hole Punches

Add holes to sheets of paper to store them in binders

9 products

Punch Pins

Use with press dies to punch 1/8" and larger holes; modify to fit your application

30 products

Sheet Metal Corner Punches

Use with a cutting base to make rounded corners in sheet metal

2 products

Presses/Punches/Shears

Press, punch, notch, and shear with a single hydraulic machine; also known as 40-ton metalworkers

1 product

Hole Saws

Connect to a drill or drill press to make circular cuts

660 products

Hole Saw Arbors

Secure a hole saw to a drill or drill press

15 products

Snap Lock Punches

Create a raised edge in sheet metal that locks into the rolled edge of another piece

2 products

Hole Flaring Dies

Create flares around holes in sheet metal to make the edges stronger and more rigid

2 products

Awls

Punch through soft materials and scribe lines in metal and wood

6 products

Ice Picks

Chip ice, start holes in thin metal and wood, and punch holes in leather and plastic

3 products

Ejector Pins

Push finished parts out of molds

361 products

Core Pins

Add to molds and pour in plastic to form holes in finished parts

1,274 products

Ejector Sleeves

Use with mold pins to form holes, bosses, and other features in parts

39 products

Ejector Blades

Flat end pushes thin-walled parts out of molds better than ejector pins

106 products

Cutting Mats

Place under material you're cutting or punching to protect work surfaces

2 products

Multitools

A variety of tools and blades all in one

11 products

Broaches

Install in an arbor press, milling machine, or CNC machine to cut shapes into existing holes

52 products

Hole Saw Arbor Extensions

Reach your hole saw into spots where your drill is too big to fit

2 products

Hole Saw Pilots

Center your hole saw when enlarging existing holes

1 product

Die Bushings

Guide pins and punches in molds and stamping dies or reduce friction between ejector pins and plates

102 products

Measuring and Inspecting

Center Punches

Mark center holes in metal and other material

54 products

Transfer Punches

Mark the center of an existing hole onto a separate workpiece

320 products

Rivet Hole Locators

Mark even spacing for rivets and other fasteners before you drill

1 product

Center Punch/Angle Indicators

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

3 products

Alignment Pins

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

148 products

Pipe Flange Aligners

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

21 products

Fastening and Joining

Fabric Fastener Installation Tools

Install fabric snaps and grommets

46 products

Pin Removal Punches

Strike with a hammer to loosen and remove pins and rivets

149 products

Nail Set Punches

Set nails flush or drive them out of view without damaging wood surfaces

4 products

Pin Extractors

Remove stuck pins with a slide design that gives you extra leverage in tight spaces

5 products

Fabric Snaps

Complete snaps that join fabric together or fasten fabric to surfaces

4 products

Communication

Character Hole Punches

Punch holes, letters, or numbers through paper as thick as laminated cardstock

3 products

Stamps

Mark surfaces such as metal, cardboard, paper, or fabric with indentations or ink

575 products

Material Handling

Conveyor Belt Lacers

Install hook- or staple-style conveyor belt lacing

1 product

Conveyors

Roller, skate wheel, ball transfer, belt, and vacuum conveyors

1 product

Building and Machinery Hardware

Grommets

Protect wire, cable, and cords from holes with sharp or rough edges

10 products