Threaded Bars | McMaster-Carr

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System of Measurement

Thread Size

Length

Material

Threading

Threaded on Both Ends

Threaded on One End

Thread Direction

Left Hand

Right Hand

Right Hand and Left Hand

Fastener Strength Grade/Class

Finish

Hot-Dipped Galvanized

Zinc Yellow-Chromate Plated

Thread Pitch

Thread Type

Metric Rounded Trapezoidal

Thread Length

Tensile Strength

10,000 psi to 19,999 psi

20,000 psi to 39,999 psi

40,000 psi to 99,999 psi

100,000 psi or greater

Thread Spacing

Gender

Thread Fit

ASME Interference Class 5

Metric Interference Sk6

Metric Trapezoidal Class 7e

Metric Trapezoidal Class 7H

Metric Trapezoidal Class 8e

Unified Standard Class 1A

Unified Standard Class 2A

Unified Standard Class 2B

Unified Standard Class 3A

Not Rated

Component

Ball Nut

Ball Screw

Ball Screw with One Machined End

Nut Type

Hardness

DFARS Specialty Metals

RoHS

Compliant with Exemptions

Not Compliant

Fastener Strength Rating

REACH

U.S.–Mexico–Canada Agreement (USMCA) Qualifying

Yes

Export Control Classification Number (ECCN)

Performance

13,920 Products

Fastening and Joining

Threaded Rods

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

5,369 products

Single-End Studs

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

184 products

Standoffs

Separate, position, or connect components in assemblies

1,599 products

Thread Adapters

Join threads of a different type, size, and gender

2,469 products

Studs

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

637 products

Shoulder Screws

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

36 products

Power Transmission

Connecting Rods

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

808 products

Lead Screws and Nuts

Move components in a straight line in clamping and heavy duty lifting and lowering applications

838 products

Precision Lead Screws and Nuts

Pair with a motor for accurate starts and stops in automated motion and positioning applications

976 products

Linear Shafts

Pair with linear bearings and shaft supports to create smooth, precise motion

58 products

Ball Screws and Nuts

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

205 products

Lead Screw Collars

Position components and limit travel along a lead screw

55 products

Ball Screw/Splines and Bearings

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

3 products

End Supports for Ball Screws and Precision Lead Screws

Brace and secure the ends of ball screws and precision lead screws

16 products

Roller Screws and Nuts

Create more points of contact to handle much higher loads than ball screws and nuts of the same size

8 products

Linear Drive Nuts

Create a linear positioning system on a rotary shaft without a lead screw

3 products

Fabricating and Machining

Setup Studs

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

627 products

Clamping Screw Rods

Combine with hex, flange, and wing nuts to create a fast-threading clamping assembly

3 products

Fluid Handling

Float Rods

Connect valve bodies and floats to build or repair a float valve

18 products

Mixer Shafts

Replace the shaft on mixers

8 products