Metric Tool Sets | McMaster-Carr

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DFARS Specialty Metals

783 Products

Most Likely Products

Torque Screwdrivers

Apply precise torque as you fasten screws to prevent overtightening

1 product

Sockets

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

63 products

L-Keys

Turn fasteners from either end and reach into tight spots

79 products

Screwdriver Bits

Pair with drivers to turn screws

38 products

Combination Wrenches

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

22 products

Bit Sockets

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

44 products

Tap, Die, and Drill Bit Sets

Cut and repair internal and external threads and drill holes in many different sizes

1 product

All Results

Fastening and Joining

Torque Screwdrivers

Apply precise torque as you fasten screws to prevent overtightening

1 product

L-Keys

Turn fasteners from either end and reach into tight spots

79 products

Screwdriver Bits

Pair with drivers to turn screws

38 products

T-Handle Keys

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

28 products

Screwdrivers

Tighten and loosen screws

52 products

Nutdrivers

Tighten and loosen nuts and bolts

4 products

Sockets

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

63 products

Combination Wrenches

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

22 products

Bit Sockets

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

44 products

Open-End Wrenches

Tighten and loosen fasteners from the top or the side

11 products

Box Wrenches

Grip all sides of a fastener to prevent slipping

6 products

Wrench Heads

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

7 products

Socket Inserts

Slip into sockets to keep fasteners from falling out

2 products

Screw, Pipe, and Stud Extractors

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

9 products

Fastener Assortments

Keep a variety of common screws, nuts, and washers on hand

3 products

Socket Head Screws

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

12 products

Hex Head Screws

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

21 products

Rounded Head Screws

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

3 products

Flat Head Screws

Fit in countersunk holes for a flush finish that won't snag on surrounding parts

2 products

Set Screws

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

2 products

Rivet Nuts

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

5 products

Threaded Inserts

Create new threads or repair stripped threads

107 products

Hex Nuts

Handle most general fastening needs

2 products

Sealing Washers

Prevent fluids from leaking around fasteners

2 products

Lock Washers

Resist vibration to prevent fasteners from loosening

2 products

Washers

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

2 products

Fabricating and Machining

Tap, Die, and Drill Bit Sets

Cut and repair internal and external threads and drill holes in many different sizes

1 product

Tap, Die, and Thread File Sets

Repair internal and external threads in a range of sizes

1 product

Tap and Drill Bit Sets

Drill holes and cut internal threads in a variety of sizes

6 products

Tap and Die Sets

Cut and repair internal and external threads in many sizes

7 products

Thread-Repairing Files

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

3 products

Taps

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

140 products

Dies

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

3 products

Drill Bits

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

19 products

Drill Taps

Drill and thread holes with the same bit

1 product

Reamers

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

2 products

Hole Punches

Punch holes in metal, plastic, and fabric

32 products

Fixture Kits

Everything needed to mount workpieces of different sizes to your machine table

16 products

Polishing Stones

Create a finer, more polished finish on tools, molds, and dies than sanding sticks

1 product

End Mills

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

1 product

Parallels

Raise workpieces above your vise to create clearance for cutting tools

1 product

Measuring and Inspecting

Precision Measuring Tool Sets

Multiple precision measuring tools in one convenient case

10 products

Building and Machinery Hardware

Clamp-On Framing and Fittings

Two-piece fittings let you modify assembly stations, conveyors, and racks without dismantling them

1 product

Sealing

O-Rings

Fit snugly into a groove between parts to create a leak-resistant seal

1 product

O-Ring Bonding Kits

Everything needed to make O-rings

2 products