Metric Ratchets | McMaster-Carr

Filter by

System of Measurement

Drive Size

Square Drive Size

Component

Shaft Diameter

OD

Drive Style

External 12-Point

External Spline

External Square

Tamper-Resistant Hex

Tamper-Resistant Torx

Bolt Clearance Type

Overall Length

Socket Shape

Face Width

Material

Aluminum Bronze

Stainless Steel

Sold As

Socket Style

Wrench Style

Overall Width

Number of Teeth

Center-to-End Length

Tip Style

Drive Type

Wrench Opening Shape

RoHS

REACH

Export Control Classification Number (ECCN)

DFARS Specialty Metals

Head Style

How can we improve?

1,499 Products

Fastening and Joining

Sockets

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

Bit Sockets

Turn fasteners with an internal 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

Box Wrenches

Grip all sides of a fastener to prevent slipping

Wrench Heads

Attach to your ratchet wrench and socket extension to turn fasteners where clearance is limited

Socket Wrenches

Socket Wrenches

Apply torque to turn nuts, bolts, and other fasteners without rounding the heads

Socket Inserts

Slip into sockets to keep fasteners from falling out

Torque Wrenches

Torque Wrenches

Avoid overtightening and damaging fasteners by applying a specific torque

Socket Bits

Switch out worn or damaged bits instead of replacing your entire bit socket

Impact Drivers

More powerful than drills to drive screws through dense material and loosen stuck fasteners

Power Transmission

Pawls

Prevent ratcheting gears from moving backward

Gears

Connect two rotary shafts to change a system's speed, torque, and angle

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