Splines | McMaster-Carr

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System of Measurement

Diameter

End Type

Number of Splines

Spline Type

Shaft Type

For Motion

Length

Material

Spline Length

Number of Teeth

Shaft Diameter

Component

Edge Type

Pitch

Hardness Rating

Pressure Angle

Overall Length

REACH

Gear Pitch

U.S.–Mexico–Canada Agreement (USMCA) Qualifying

Yes

DFARS Specialty Metals

Exempt

Export Control Classification Number (ECCN)

EAR99

RoHS

Compliant

Compliant with Exemptions

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465 Products

Power Transmission

Rotary Shafts

Pair with gears, sprockets, and bearings to transmit rotary motion

42 products

Ball Splines and Bearings

Combine ball splines and bearings to create linear and rotary motion systems

51 products

Sleeve Splines and Bearings

Combine sleeve splines and bearings to create linear and rotary motion systems

21 products

Spur Gear Stock

Machine your own gears to an exact face width and shaft diameter

18 products

Ball Screw/Splines and Bearings

Transmit rotary power, move loads along the shaft, or do both at once

3 products

Shaft Couplings

Connect two shafts to transfer rotary motion from one to the other

22 products

Timing Belt Pulley Stock

Machine your own timing belt pulleys to fit an exact width and shaft diameter

17 products

Fastening and Joining

Screwdriver Bits

Pair with drivers to turn screws

1 product

L-Keys

Turn fasteners from either end and reach into tight spots

57 products

Sockets

Turn fasteners with an external drive style without slipping and damaging the drive

11 products

Socket Adapters

Make your socket more versatile, from converting the drive to limiting torque

2 products

Combination Wrenches

Use the open end when tightening in cramped spaces and the box end when you need extra grip

40 products

Building and Machinery Hardware

Screening Splines

Hold insect screening in frames

20 products

Fabricating and Machining

Drill Bit Shank Adapters

Convert your power tool to fit different drill bit sizes or shank types

3 products

Drill Bits

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

76 products

Measuring and Inspecting

Drafting Curves

Use as templates for drawing curved lines

4 products

Outside Micrometer Tips

Adapt your micrometer to measure curved and irregularly shaped objects, such as gear teeth and pipe

3 products