M6 Screws | McMaster-Carr

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3,334 Products

Fastening and Joining

Socket Head Screws

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

393 products

Rounded Head Screws

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

555 products

Flat Head Screws

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

320 products

Hex Head Screws

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

361 products

Shoulder Screws

Rotate parts around the cylinder under the head to guide and align them during installation

336 products

Set Screws

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

240 products

Thumb Screws

Tighten and loosen by hand without the need for tools

76 products

Tapping Screws

Fasten a range of materials together without needing to tap the hole first

18 products

Carriage Bolts

A smooth head provides a finished look while a square neck keeps the bolt in place when using a nut

20 products

12-Point Screws

12 contact points handle more torque than a hex head while a flange eliminates the need for a washer

4 products

Wood Screws

Fasten material to wood or pieces of wood to each other

14 products

Oval Head Screws

The domed top sits slightly above the surface of countersunk holes for a decorative look

17 products

Studs

Press, weld, or screw in place to add a threaded fastening point

43 products

Captive Panel Screws

Secure panels and enclosures while still having access to them

6 products

Elevator Bolts

Create a flush joint to allow movement in tight spaces such as grain elevators and belting systems

11 products

Hanger Bolts

Suspend pipe and other fixtures with wire or cable ties

4 products

Rivet Nuts

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

57 products

Weld Nuts

Weld to metal surfaces to add permanent threads

30 products

Threaded Rods

Anchor, connect, or hang components in a wide variety of applications

111 products

Thread Adapters

Join threads of a different type, size, and gender

395 products

Single-End Studs

Use the unthreaded end as a pivot point, hinge, shaft, or locator pin

7 products

Binding Barrels and Screws

Thread together for a low-profile fastener

24 products

Spring Plungers

Apply accurate, consistent pressure for positioning, indexing, and ejecting parts

43 products

Standoffs

Threaded to separate or connect parts as well as position components in assemblies

34 products

Anchors

Secure anything from signs to heavy machinery in concrete, brick, and drywall

1 product

Magnets

Attract or repel metal objects to hang, secure, or position them

12 products

Building and Machinery Hardware

Knobs

Position, tighten, and secure fixtures and equipment

36 products

Pull Knobs

Use a knob to open and close cabinets, drawers, and doors

3 products

Clamp-On Framing and Fittings

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

1 product

Locking-Slotted Framing and Fittings

Make platforms, bases, and other structures that stand up to more movement than T-slotted framing

3 products

T-Slotted Framing and Fittings

The most versatile system, attach fittings along the continuous slots to build virtually anything

21 products

Fabricating and Machining

Setup Studs

Secure setup clamps and fixtures to your machine table or assemble heavy machines

39 products

T-Slot Bolts

Secure clamps and workpieces to machine tables with quicker setup than a T-slot nut and stud

3 products

Fixture Clamps

Secure your workpiece to a fixture table so it won't move during machining

10 products

Clamp Holding Screws

Replace worn holding screws in clamps or customize with different sizes or styles

3 products

Power Transmission

Ball Screws and Nuts

Provide smooth travel where high speeds, accurate positioning, and repeatable movement are required

4 products

Connecting Rods

Use with rod ends and swivel joints to link components in push/pull assemblies

51 products

Lead Screws and Nuts

Components travel along a screw with broad, square threads to clamp and lift heavy loads

2 products

Material Handling

Eyebolts

Route rope through the loop or attach hooks and shackles for lifting

7 products

Eye Nuts

Pair with bolts or threaded rod to lift and hang components

5 products

Measuring and Inspecting

Transfer Punches

Mark the center of an existing hole onto a separate workpiece

1 product

Coordinate Measuring Machine Fixture Clamps

Keep workpieces in place for hands-free measuring and inspecting

3 products