Metric Wheels | McMaster-Carr

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System of Measurement

Wheel Diameter

T-Slotted Framing Component

Mount Type

Threaded Through Hole

Rail Height

T-Slotted Framing Rail Profile

Caster Type

Stem Thread Size

Material

Thread Size

Tread Style

Shaft Diameter

Wheel Bearing Type

Weight Capacity

For Surface Type

Bearing Type

Wheel Width

Mounting Fastener Installation Type

Mount Height

Component

Brake/Lock Type

Wheel Brake and Swivel Lock (Total Lock)

Weight Capacity per Caster

Less than 1,000 lb.

1,000 lb. to 1,999 lb.

2,000 lb. to 9,999 lb.

RoHS

Compliant

Compliant with Exemptions

Not Compliant

REACH

Compliant

Not Compliant

Export Control Classification Number (ECCN)

EAR99

DFARS Specialty Metals

2,103 Products

Building and Machinery Hardware

T-Slotted Framing Roller Wheels

Attach to panels, frames, and other components to move them along T-slotted rails

8 products

T-Slotted Framing Casters

Move T-slotted framing structures where you need them

55 products

T-Slotted Framing Track Rollers

Load rated for carrying door frames and other hardware along a T-slotted framing track system

9 products

Knobs

Position, tighten, and secure fixtures and equipment

263 products

Indicating Knobs

Control devices and view settings at a glance

6 products

Door Tracks

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

1 product

Material Handling

Casters

Mount on the bottom of objects for easy movement

39 products

Ball Transfers

Install in arrays to create platforms for conveying, rotating, and positioning heavy objects

24 products

Power Transmission

Worm Gears

Reduce speed while transferring motion at a right angle in only one direction

67 products

Ratchet Gears and Pawls

Transmit motion in one direction and stop it in the other

26 products

Track Rollers

Support and carry objects as they move along conveyor systems

200 products

Drive Rollers

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

14 products

Timing Belt Drive Pulleys

Pair with a timing belt to keep your drive system in sync

778 products

Idler Sprockets

Press against your chain to take up slack and reduce wear and vibration

8 products

Pulley and Sprocket Bushings

Mount between a rotating shaft and equipment to secure the shaft and reduce vibration

3 products

Timing Belt Idler Pulleys

Add to your timing belt setup to minimize vibration and keep belts from wearing out

16 products

V-Belt Drive Pulleys

Pair with a V-belt to transfer motion from a rotating shaft

63 products

Guide Rail Carriages

Carry loads along guide rails on accurate and repeatable paths in automated systems

45 products

Idler Shafts

Support idler sprockets and pulleys in tensioning applications

8 products

Measuring and Inspecting

Thread Size Identifiers

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

1 product

Measuring Wheels

Roll along surfaces to measure distance

8 products

Fastening and Joining

Thumb Screws

Tighten and loosen by hand without the need for tools

245 products

Shoulder Screws

Rotate parts around the cylinder under the head to guide and align them during installation

36 products

Set Screws

Exert pressure at the tip to hold parts in place, unlike screws that hold material together with threads

39 products

Thumb Nuts

Easy to tighten and loosen by hand for making frequent adjustments

77 products

Lug Nuts

Secure pneumatic wheels to axles

5 products