Stud Extensions | McMaster-Carr

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System of Measurement

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Material

Length

Threading

Threaded on Both Ends

Threaded on One End

Thread Direction

Left Hand

Right Hand

Right Hand and Left Hand

Finish

Black Oxide

Glazed

Hot-Dipped Galvanized

Zinc Yellow-Chromate Plated

Gender

Thread Length

Fastener Strength Grade/Class

Thread Pitch

Thread Spacing

Thread Type

Tensile Strength

10,000 psi to 49,999 psi

50,000 psi to 59,999 psi

60,000 psi to 99,999 psi

100,000 psi or greater

Not Rated

Thread Fit

ASME Interference Class 5

Metric Class 6g

Metric Class 6h

Metric Class 6H

Metric Interference Sk6

Unified Standard Class 1A

Unified Standard Class 1B

Unified Standard Class 2A

Unified Standard Class 2B

Unified Standard Class 3A

Hex Size

DFARS Specialty Metals

Hardness

RoHS

Compliant with Exemptions

Hex Length

REACH

Export Control Classification Number (ECCN)

2B999

EAR99

Fastener Strength Rating

Performance

Electrically Insulating

Specifications Met

Nut Type

13,272 Products

Thread Adapters

Male-Female Thread Adapters

Inch-to-Inch Male-Female Hex Thread Adapters

Change thread size and spacing

473 products

Metric-to-Metric Male-Female Hex Thread Adapters

Increase or decrease metric thread size and change the pitch

238 products

Inch-to-Metric Male-Female Hex Thread Adapters

Change inch threads to metric

770 products

Inch-to-NPT Male-Female Hex Thread Adapters with Through Hole

Connect float rods to float valves with the through hole

14 products

Slotted-Drive Male-Female Round Thread Adapters

Install and remove with a screwdriver

7 products

Inch-to-NPT Male-Female Hex Thread Adapters

Connect float balls, float rods, and valves

3 products

Male-Female Round Universal Thread Adapters with Through Hole

Air, liquids, wire, and other thin materials flow through the hole

3 products

Female Thread Adapters

Inch-to-Inch Female Hex Thread Adapters

Join two male-threaded parts with dissimilar inch thread sizes

353 products

Metric-to-Metric Female Hex Thread Adapters

Join two male-threaded parts with dissimilar metric thread sizes

164 products

Left-Hand to Right-Hand Female Hex Thread Adapters

Join two male-threaded parts with dissimilar metric thread sizes
Fasten parts with right-hand threads to parts with left-hand threads

66 products

Inch-to-Metric Female Hex Thread Adapters

Join two male-threaded parts with inch and metric thread sizes

532 products

Hex Drive Thread Adapters

Join coarse threads to fine threads using a hex key

27 products

Male Thread Adapters

Inch-to-Inch Male Round Thread Adapters

Finger tighten two female-threaded parts with dissimilar inch thread sizes

1 product

Inch-to-Inch Male Hex Thread Adapters

Join two female-threaded parts with dissimilar inch thread sizes

290 products

Inch-to-Metric Male Hex Thread Adapters

Join inch and metric female-threaded parts

482 products

Metric-to-Metric Male Hex Thread Adapters

Join two female-threaded parts with dissimilar metric thread sizes

129 products

Left-Hand to Right-Hand Male Thread Adapters

Fasten parts with right-hand threads to parts with left-hand threads

32 products

Inch-to-Metric Male Round Thread Adapters

Finger tighten two female-threaded parts with inch and metric thread sizes

4 products

Male Round Universal Thread Adapters with Through Hole

Air, liquids, wire, and other thin materials flow through the hole

4 products

Metric-to-Metric Male Round Thread Adapters

Finger tighten two female-threaded parts with dissimilar metric thread sizes

1 product

Thread Adapters for Pullers

Pair with an external grip puller to pull shafts, bearing caps, and pinions

8 products

Other Products

Coupling Nuts

Connect and extend threaded rods

620 products

Threaded Rods

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

5,335 products

Single-End Studs

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

184 products

Studs

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

673 products

Connecting Rods

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

808 products

Hanger Bolts

Suspend pipe and other fixtures with wire or cable ties

65 products

Standoffs

Separate, position, or connect components in assemblies

1,259 products

Setup Studs

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

627 products

Hex Nuts

Handle most general fastening needs

33 products

Turnbuckles

Twist the body or end fittings to adjust the length and tension of attached rope and chain

46 products

Float Rods

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

18 products

Toilet Tank Replacement Parts

Replace parts such as flappers, fill valves, and floats in your toilet tank

3 products