Metric Tool Sets | McMaster-Carr

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720 Products

Most Likely Products

Screwdrivers

Tighten and loosen screws

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

Screwdriver Bits

Screwdriver Bits

Pair with drivers to turn screws

L-Keys

Turn fasteners from either end and reach into tight spots

Tap, Die, and Thread File Kits

Tap, Die, and Thread File Kits

Repair internal and external threads in a range of sizes

Bit Sockets

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

T-Handle Keys

To turn fasteners in hard-to-reach spots, there's a long shaft and a grip for your whole hand

All Results

Fastening and Joining

Screwdrivers

Tighten and loosen screws

Screwdriver Bits

Screwdriver Bits

Pair with drivers to turn screws

L-Keys

Turn fasteners from either end and reach into tight spots

T-Handle Keys

To turn fasteners in hard-to-reach spots, there's a long shaft and a grip for your whole hand

Nutdrivers

Tighten and loosen nuts and bolts

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

Bit Sockets

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

Box Wrenches

Grip all sides of a fastener to prevent slipping

Open-End Wrenches

Open-End Wrenches

Tighten and loosen fasteners from the top or the side

Screw, Pipe, and Stud Extractors

Screw, Pipe, and Stud Extractors

Remove broken screws, pipes, and studs without damaging the threads around them

Fastener Assortments

Fastener Assortments

Stay prepared by keeping fasteners in common sizes and materials on hand

Hex Head Screws

Hex Head Screws

Used with nuts to create a stronger joint than flat and rounded screws

Socket Head Screws

Socket Head Screws

With a deeper drive than flat and rounded head screws, these withstand more torque for a tighter hold

Rounded Head Screws

Rounded Head Screws

Sit just above the surface for a low-profile finish and hold tighter than flat head screws

Flat Head Screws

Flat Head Screws

Fit in countersunk holes for a flush finish

Set Screws

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

Sealing Washers

Sealing Washers

Prevent fluids from leaking around fasteners

Washers

Nearly every size and shape imaginable, from flat washers to clipped to curved

Lock Washers

Resist vibration to prevent fasteners from loosening

Hex Nuts

Handle most general fastening needs

Rivet Nuts

Add threads to thin panels with access from only one side; also known as blind inserts

Threaded Inserts

Threaded Inserts

Create new threads or repair stripped threads

Fabricating and Machining

Tap, Die, and Thread File Kits

Tap, Die, and Thread File Kits

Repair internal and external threads in a range of sizes

Tap and Drill Bit Kits

Tap and Drill Bit Kits

Drill holes and cut internal threads in a variety of sizes

Taps

Cut internal threads for fasteners, pipe, conduit, and more

Dies

Cut or restore external threads on fasteners, pipe, or conduit

Thread-Repairing Files

Thread-Repairing Files

Spot fix rusted and damaged threads along screws, pipe, or conduit

Drill Bits

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

Clamps

Hold workpieces securely in place

T-Slot Nut and Setup Stud Kits

T-Slot Nut and Setup Stud Kits

Mount fixtures of different sizes to your machine table

End Mills

Cut and shape material to create precise slots, grooves, and profiles

Reamers

Finish holes to an exact size, correct misaligned holes, and remove burrs

Parallels

Raise workpieces above your vise to create clearance for cutting tools

Hole Punches

Punch holes in metal, plastic, and fabric

Measuring and Inspecting

Precision Measuring Tool Kits

Precision Measuring Tool Kits

Multiple precision measuring tools in one convenient case

Sealing

O-Ring Bonding Kits

O-Ring Bonding Kits

Everything needed to make O-rings

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