Metric Ball Screws | McMaster-Carr

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Metric Rounded Trapezoidal

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23,152 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

2,844 products

Rounded Head Screws

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

3,346 products

Flat Head Screws

Fit in countersunk holes for a flush finish

2,067 products

Hex Head Screws

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

2,575 products

Shoulder Screws

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

2,394 products

Tapping Screws

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

981 products

Set Screws

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

1,812 products

Thumb Screws

Tighten and loosen by hand without the need for tools

336 products

Carriage Bolts

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

108 products

12-Point Screws

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

21 products

Wood Screws

Fasten material to wood or pieces of wood to each other

75 products

Captive Panel Screws

Secure panels and enclosures while still having access to them

85 products

Fastener Assortments

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

4 products

Studs

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

209 products

Elevator Bolts

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

34 products

Hanger Bolts

Suspend pipe and other fixtures with wire or cable ties

24 products

Threaded Rods

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

1,151 products

Thread Adapters

Join threads of a different type, size, and gender

2,341 products

Single-End Studs

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

47 products

Rivet Nuts

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

210 products

Weld Nuts

Weld to metal surfaces to add permanent threads

133 products

Standoffs

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

419 products

Binding Barrels and Screws

Thread together for a low-profile fastener

70 products

Spring Plungers

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

207 products

Captive Pins

Press into holes in thin materials like panels and circuit boards to permanently join or align them

44 products

Anchors

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

4 products

Magnets

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

33 products

Power Transmission

Ball Screws and Nuts

Internal ball bearings roll on screws for low friction when moving components at high speeds

56 products

Lead Screws and Nuts

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

200 products

Lead and Ball Screw End Supports

Brace and secure the ends of lead screws and ball screws

3 products

Connecting Rods

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

263 products

Ball Screw/Splines

Transmit rotary power, move loads along the shaft, or do both at once

3 products

Roller Screws and Nuts

More contact points to move heavier loads than ball and lead screw assemblies

8 products

Positioning Slides

A lead screw drives the carriage for accurate positioning in laboratory and production equipment

15 products

Fabricating and Machining

Setup Studs

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

311 products

T-Slot Bolts

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

18 products

Fixturing Kits

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

15 products

Fixturing Clamps

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

41 products

Clamps

Hold workpieces securely in place

3 products

Swivel Pads

Attach to the ends of screws, threaded studs, or C-clamps to apply even pressure on uneven surfaces

7 products

Building and Machinery Hardware

Knobs

Position, tighten, and secure fixtures and equipment

146 products

Pull Handles and Knobs

Open and close cabinets, drawers, and doors on machines and equipment

24 products

T-Slotted Framing and Fittings

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

245 products

Locking-Slotted Framing and Fittings

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

3 products

Material Handling

Eyebolts

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

101 products

Eye Nuts

Pair with bolts or threaded rod to lift and hang components

42 products

Communication

Reference Charts

Check decimal equivalents, drill sizes, or specifications for socket screws

1 product

Measuring and Inspecting

Transfer Punches

Mark the center of an existing hole onto a separate workpiece

14 products

Coordinate Measuring Machine Plates and Fixtures

Raise workpieces and position them on a fixture plate

3 products