Spline Tools | McMaster-Carr

Filter by

System of Measurement

Drive Size

Drive Style

External 12-Point

External Spline

External Square

Shank Type

Knurled-End Hex

Overall Length

1 5/16" to 2 1/8"

1 7/8" to 2 11/16"

3 1/4" to 4 11/16"

Driver Style

Sold As

Drill Bit Size

Long Leg Length

Wrench Opening Shape

Head Style

Wrench Style

Maximum Drilling Depth

Material

Carbide-Tipped Steel

Length

1 5/16" to 2 1/8"

1 7/8" to 2 11/16"

3 1/4" to 4 11/16"

DFARS Specialty Metals

Finish

RoHS

Export Control Classification Number (ECCN)

REACH

Ratcheting

For Use On

Drill Bit Point Type

OD

Number of Pieces

Container Type

Plastic Roll-Up Pouch

How can we improve?

193 Products

Fastening and Joining

Screwdriver Bits

Screwdriver Bits

Pair with drivers to turn screws

L-Keys

Turn fasteners from either end and reach into tight spots

Combination Wrenches

Combination Wrenches

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

Sockets

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

Socket Adapters

Socket Adapters

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

Fabricating and Machining

Drill Bits

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

Drill Bit Shank Adapters

Drill Bit Shank Adapters

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

Rotary Hammers

Cut holes and drive screws with cordless, electric, air-powered, and manual drills

Chisel Bits

Pair with powered hammers or needle scalers to chip material off of workpieces

Building and Machinery Hardware

Screening Splines

Screening Splines

Hold insect screening in frames

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