3/8"-16 Rods | McMaster-Carr

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

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985 Products

Fastening and Joining

Threaded Rods

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

390 products

Single-End Studs

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

11 products

Coupling Nuts

Connect and extend threaded rods

36 products

Standoffs

Separate, position, or connect components in assemblies

82 products

Thread Adapters

Join threads of a different type, size, and gender

100 products

Studs

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

30 products

Shoulder Screws

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

9 products

Dowel Pins

Align parts before assembly or use as a pivot, shaft, or hinge to join moving components

9 products

Magnets

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

5 products

Threaded Stud and Rod Drivers

Hold and tighten threaded studs and rods

1 product

Power Transmission

Linear Shafts

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

47 products

Rotary Shafts

Pair with gears, sprockets, and bearings to transmit rotary motion

17 products

Idler Shafts

Support idler sprockets and pulleys in tensioning applications

2 products

Linear Shaft Supports

Support linear shafts to prevent bending and rolling under loads

8 products

Connecting Rods

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

20 products

Rod Ends

Use with connecting rods to support loads and control steering, tensioning, or pivoting motion

68 products

Precision Lead Screws and Nuts

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

23 products

Lead Screw Collars

Position components and limit travel along a lead screw

3 products

Gear Box Shafts

Convert output drives from female to male

4 products

Material Handling

Threaded Rod Mounts

Hang threaded rod from ceilings, walls, beams, and joists

9 products

Threaded Rod Anchors

Install directly into a flat surface for more holding power than threaded rod mounts

32 products

Beam Clamps

Secure lines of pipe and duct, overhead equipment, and lighting fixtures to beam flanges

22 products

Fabricating and Machining

Setup Studs

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

47 products

Threaded Rod Cutters

Cut rods and bolts while leaving their threads intact

4 products

Fluid Handling

Float Rods

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

2 products

Measuring and Inspecting

Variance Indicator Holders

Position and hold variance indicators in place for accurate readings

4 products