Metric Guides | McMaster-Carr

Filter by

System of Measurement

ID

Material

Length

Diameter

Pipe Size

Thread Size

End Shape

Shaft Diameter

Shaft Type

OD

Fastener Head Type

Finish

USMCA Qualifying

REACH Compliance

Pin Type

Height

RoHS Compliance

DFARS Compliance

Mount Type

End Type

Width

Specifications Met

How can we improve?

8,053 Products

Most Likely Products

Track Rollers

Support and carry objects as they move along conveyor systems

Linear Bearings

Linear Bearings

Minimize friction as parts move along a shaft

Shaft Supports

Support linear motion shafts to prevent bending and rolling under loads

Positioning Slides

Positioning Slides

A lead screw drives the carriage for accurate positioning in laboratory and production equipment

Drill Bushings

Fit in holes to guide drill bits and other cutting tools for precise and repeatable holes and cuts

Spline Bearings

Spline Bearings

Add to splines to transfer rotary power or move loads along the shaft

All Results

Power Transmission

Track Rollers

Support and carry objects as they move along conveyor systems

Drive Rollers

Transmit power from motors to systems like conveyors; also known as contact wheels and feed rollers

Linear Bearings

Linear Bearings

Minimize friction as parts move along a shaft

Linear Bearing Brakes

Linear Bearing Brakes

Lock bearings in place on a shaft for precise positioning

Shaft Supports

Support linear motion shafts to prevent bending and rolling under loads

Positioning Slides

Positioning Slides

A lead screw drives the carriage for accurate positioning in laboratory and production equipment

Spline Bearings

Spline Bearings

Add to splines to transfer rotary power or move loads along the shaft

Ball Screw Nuts

Ball Screw Nuts

Internal ball bearings roll on ball screws for low friction when moving components

Air Slides

Convey grippers, printing heads, and other loads back and forth on a carriage

Material Handling

Routing Clamps

Secure routed lines of pipe, tubing, and conduit

Loop Clamps

Hold pipe snug against the mounting surface to prevent movement that may cause breakage

U-Bolts

Anchor heavy pipe, tube, and conduit; stronger than routing clamps and hangers

Pipe Hangers

Suspend pipe, conduit, and tube from threaded rods, hooks, and straps

Riser Clamps

Wide flanges support vertical pipe passing through floors

Pipe Supports

Brace pipe, tube, and conduit that needs to be routed between studs or elevated off the floor

Pipe Routing Saddles

Pipe Routing Saddles

Clip to strut channel to cradle insulated tubing and pipe

Eye Nuts

Pair with bolts or threaded rod to lift and hang components

Eyebolts

Route rope through the loop or attach hooks and shackles for lifting

Hoist Rings

Pivot to resist stress that would bend or break an eyebolt when lifting at an angle

Conveyor Guide Mounting Rods

Conveyor Guide Mounting Rods

Secure guides and other attachments to conveyors

Conveyor Guide Clamps

Conveyor Guide Clamps

Connect conveyor guides to each other and secure them in place

Fabricating and Machining

Drill Bushings

Fit in holes to guide drill bits and other cutting tools for precise and repeatable holes and cuts

Locating and Support Buttons

Locating and Support Buttons

Secure and position workpieces and fixtures from the bottom or side

Locating Pins

Install in fixturing plates or tables to position and secure workpieces

Spring Locating Pins

Spring Locating Pins

Apply side force to workpieces to clamp them in place

Electrical Discharge Machining Electrode Guides

Electrical Discharge Machining Electrode Guides

Hold EDM electrodes in place as they penetrate workpieces

Clamps

Hold workpieces securely in place

Ejector Pins

Push finished parts out of molds

Core Pins

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

Filament Guides for 3D Printer Extruder Heating Elements

Filament Guides for 3D Printer Extruder Heating Elements

Hold and direct filament toward the nozzle as it melts in the heating block

Drill Bit Guides

Drill Bit Guides

Drill precise holes without building a fixture

Measuring and Inspecting

Thread Size Identifiers

Thread Size Identifiers

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

Pipe Size Chart/Rulers

Pipe Size Chart/Rulers

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

Drill Bit Size Gauges

Drill Bit Size Gauges

Match your drill bit to one of the holes to confirm its size

Gear Tooth Gauges

Gear Tooth Gauges

Identify your gear's pressure angle, pitch, and module

Height Gauges

Measure an object's height and mark workpieces for machining

Coordinate Measuring Machine Plates and Fixtures

Coordinate Measuring Machine Plates and Fixtures

Raise workpieces and position them on a fixture plate

Threaded Hole Location Gauges

Threaded Hole Location Gauges

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

Squareness Gauges

Squareness Gauges

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

Parallel Rules

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

Alignment Pins

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

Fastening and Joining

Spring Plungers

Spring Plungers

Apply accurate, consistent pressure for positioning, indexing, and ejecting parts

Dowel Pins

Align parts before assembly or use as a pivot, shaft, or hinge to join moving components

Taper Pins

Fit snugly into tapered holes to secure, position, and align components

Quick-Release Pins

Quick-Release Pins

Fasten or remove components on equipment with a spring-loaded retaining ball

Spring Plunger Drivers

Spring Plunger Drivers

Install spring plungers from the nose end without depressing the nose

Communication

Reference Charts

Reference Charts

Check decimal equivalents, drill sizes, or specifications for socket screws

Stencils

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

Building and Machinery Hardware

Grommets

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

Door Tracks

Hang panels to slide over openings when there’s not space for a swinging door

Electrical

Cable and Hose Carriers

Cable and Hose Carriers

Route, protect, and guide moving cable

Conduit and Conduit Fittings

Conduit and Conduit Fittings

Protect wiring from impact and the environment in runs indoors, outdoors, and underground

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