Spline Drivers | McMaster-Carr

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External 12-Point

External Spline

External Square

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OD

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1 5/16" to 2 1/8"

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Magnesium Phosphate Coated

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Aluminum Bronze

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DFARS Specialty Metals

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For Bit Shank Type

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1,916 Products

Fastening and Joining

Sockets

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

Combination Wrenches

Combination Wrenches

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

Socket Inserts

Slip into sockets to keep fasteners from falling out

Screwdriver Bits

Screwdriver Bits

Pair with drivers to turn screws

L-Keys

Turn fasteners from either end and reach into tight spots

Fabricating and Machining

Rotary Hammers

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

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