Coarse-to-Fine Thread Adapters | McMaster-Carr

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Stainless Steel

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DFARS Specialty Metals

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Zinc Yellow-Chromate Plated

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1,588 Products

Thread Adapters

Male-Female Thread Adapters

Inch-to-Inch Male-Female Hex Thread Adapters

Inch-to-Inch Male-Female Hex Thread Adapters

Change thread size and spacing

Metric-to-Metric Male-Female Hex Thread Adapters

Metric-to-Metric Male-Female Hex Thread Adapters

Increase or decrease metric thread size and change the pitch

Inch-to-NPT Male-Female Hex Thread Adapters

Inch-to-NPT Male-Female Hex Thread Adapters

Connect float balls, float rods, and valves

Male-Female Round Universal Thread Adapters with Through Hole

Male-Female Round Universal Thread Adapters with Through Hole

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

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

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

Connect float rods to float valves with the through hole

Thread Adapters for Drum Openings

Thread Adapters for Drum Openings

Thread Adapters for Drum Openings

Convert drum openings with metric or BSPP threads to a 2 NPT pipe size

Female Thread Adapters

Inch-to-Inch Female Hex Thread Adapters

Inch-to-Inch Female Hex Thread Adapters

Join two male-threaded parts with dissimilar inch thread sizes

Male Thread Adapters

Inch-to-Inch Male Hex Thread Adapters

Inch-to-Inch Male Hex Thread Adapters

Join two female-threaded parts with dissimilar inch thread sizes

Metric-to-Metric Male Hex Thread Adapters

Metric-to-Metric Male Hex Thread Adapters

Join two female-threaded parts with dissimilar metric thread sizes

Male Round Universal Thread Adapters with Through Hole

Male Round Universal Thread Adapters with Through Hole

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

Hex Drive Thread Adapters

Hex Drive Thread Adapters

Hex Drive Thread Adapters

Join coarse threads to fine threads using a hex key

Other Products

Conduit and Cord Grip Thread Adapters

Conduit and Cord Grip Thread Adapters

Connect to fittings and openings that have a different thread type

The quick brown fox jumped over the lazy dog. Pedestal (35" Ht. x 4" Wd. x 4" Dp.)