L.H. DOTTIE
L.H. DOTTIE RRC21 Coupling Nut 3/8-1/4 Steel Zinc 1in 50pk
Steel zinc-plated coupling nuts join 3/8 and 1/4 threads, one inch long, in a 50-piece pack
- TypeNuts
- Reduces mixed-thread connections with 3/8 to 1/4 coupling
- 50-piece pack covers large jobs in one box
- Zinc-plated steel resists corrosion on site
- One-inch length fits standard hardware assemblies
- New DOTTIE hardware arrives ready for installation
What this coupling nut connects
The DOTTIE RRC21 is a steel, zinc-plated coupling nut with 3/8 inch to 1/4 inch threads and a 1 inch length. It joins threaded rod or studs of different diameters in mechanical and automotive assemblies. Supplied in a 50-piece pack for volume use.
Check your thread and length requirements
Verify that the mating parts use 3/8 inch and 1/4 inch thread pitches compatible with this nut. Confirm the 1 inch overall length provides sufficient engagement for your joint. The zinc plating offers corrosion resistance for general environments.
Fits between mixed-diameter fasteners
This nut bridges 3/8 inch and 1/4 inch threaded components, reducing the need for separate adapters. The 50-count pack keeps inventory stocked for repetitive assembly tasks. No additional hardware is included.
Highlights
- Reduces mixed-thread connections with 3/8 to 1/4 coupling
- 50-piece pack covers large jobs in one box
- Zinc-plated steel resists corrosion on site
- One-inch length fits standard hardware assemblies
- New DOTTIE hardware arrives ready for installation
Specifications
| Brand | DOTTIE |
|---|---|
| Type | Nuts |
Questions about this item
What comes in the package and is anything else required for installation?
The package contains fifty coupling nuts with 3/8 to 1/4 inch threads, steel construction, zinc plating and one inch length. No additional parts are included; matching threaded rod or bolts must be sourced separately.
How do I decide between the available versions or capacities of this coupling nut?
This listing offers a single specification: 3/8 to 1/4 inch thread reduction, one inch length, steel zinc plated, sold in a fifty pack. No alternative sizes, materials or pack quantities are shown.
What does the 3/8 to 1/4 inch thread reduction mean when the nut is used in a real assembly?
It joins a 3/8 inch threaded rod or stud to a 1/4 inch counterpart, allowing two different thread sizes to connect in a straight line. The one inch length provides the engagement depth for both sides.
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