8-32 Adapters | McMaster-Carr

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Unified Standard Class 1A

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External Hex

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Zinc Yellow-Chromate Plated

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40,000 psi to 49,999 psi

50,000 psi to 59,999 psi

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100,000 psi or greater

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Export Control Classification Number (ECCN)

EAR99

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

Nut Type

624 Products

Thread Adapters

Male-Female Thread Adapters

Inch-to-Inch Male-Female Hex Thread Adapters

Change thread size and spacing

60 products

Slotted-Drive Male-Female Round Thread Adapters

Install and remove with a screwdriver

4 products

Inch-to-Metric Male-Female Hex Thread Adapters

Change inch threads to metric

53 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

30 products

Inch-to-Metric Male Hex Thread Adapters

Join inch and metric female-threaded parts

28 products

Inch-to-Metric Male Round Thread Adapters

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

2 products

Female Thread Adapters

Inch-to-Inch Female Hex Thread Adapters

Join two male-threaded parts with dissimilar inch thread sizes

35 products

Inch-to-Metric Female Hex Thread Adapters

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

30 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

2 products

Other Products

Threaded Inserts

Create new threads or repair stripped threads

45 products

Standoffs

Separate, position, or connect components in assemblies

238 products

Tube Fittings

Make threaded, push to connect, barbed, and other types of connections between lengths of tube

4 products

Rotary Sanding Pad Arbors

Connect rotary sanding pads to hand-held drills and die grinders

4 products

Air Cylinder Mounts

Secure air cylinders to surfaces with brackets, rod clevises, and flanges

1 product

Studs

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

6 products

Rod Ends

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

15 products

Test Leads

Pair with electrical testers such as multimeters to analyze your devices

2 products

Adhesive-Mount Nuts

Attach threads to material that’s too thin for a threaded insert

12 products

Weld Nuts

Weld to metal surfaces to add permanent threads

30 products

Air Cylinders

Push and pull loads to do everything from stamping materials to sorting parts on conveyors

9 products

Test Lead Clips

For hands-free testing, create a temporary yet secure electrical connection

7 products

Torque Limiters

Keep torque at or below a set limit to control tension or braking or protect machinery from overload

4 products

Positioning Arms

Mount and position tools and other small equipment

2 products