Thread Extenders | McMaster-Carr

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System of Measurement

Thread Size

Material

Length

Gender

Hex Length

Thread Length

Shape

Pitch

For Adapting

Tensile Strength

50,000 psi to 69,999 psi

70,000 psi to 79,999 psi

80,000 psi to 89,999 psi

90,000 psi or greater

Not Rated

Thread Fit

Metric Class 6g

Metric Class 6H

Unified Standard Class 2A

Unified Standard Class 2B

RoHS

Compliant

Compliant with Exemptions

DFARS Specialty Metals

Compliant

Exempt

Not Compliant

Export Control Classification Number (ECCN)

Hardness

Drive Style

Specifications Met

Finish

Zinc Yellow-Chromate Plated

REACH

Thread Type

Thread Pitch

Pipe Size

Maximum Temperature

Minimum Temperature

5,002 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

Male-Female Round Universal Thread Adapters with Through Hole

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

3 products

Slotted-Drive Male-Female Round Thread Adapters

Install and remove with a screwdriver

7 products

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

Connect float rods to float valves with the through hole

14 products

Inch-to-NPT Male-Female Hex Thread Adapters

Connect float balls, float rods, and valves

3 products

Female Thread Adapters

Inch-to-Inch Female Hex Thread Adapters

Join two male-threaded parts with dissimilar inch thread sizes

353 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

Metric-to-Metric Female Hex Thread Adapters

Join two male-threaded parts with dissimilar metric thread sizes

164 products

Inch-to-Metric Female Hex Thread Adapters

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

532 products

Male Thread Adapters

Metric-to-Metric Male Hex Thread Adapters

Join two female-threaded parts with dissimilar metric thread sizes

129 products

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

Metric-to-Metric Male Round Thread Adapters

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

1 product

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 Hex Thread Adapters

Join inch and metric female-threaded parts

482 products

Male Round Universal Thread Adapters with Through Hole

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

4 products

Inch-to-Metric Male Round Thread Adapters

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

4 products

Other Products

Standoffs

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

1,436 products