4 Pack Thread Protector 1/2”-28 to 5/8”-24 Thread Reducer with Crush Washer
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- Complete 4 Pack Thread Protector Kit:Includes 4 pcs black steel thread adapters, 4 metal crush washers, and 4 rubber sealing washers. A complete replacement set for worn or damaged threaded components.
- 1/2 x 28 to 5/8 x 24 Thread Conversion:Designed to convert 1/2 x 28 female threads to 5/8 x 24 male threads, providing a reliable solution for different thread size connections.
- Durable Black Steel Construction:Made from high-strength steel with a black finish for enhanced hardness, wear resistance, and corrosion protection, ensuring long-term durability.
- Precision Fit & Reliable Installation:Each thread adapter features accurate machining with approximately 0.635 inch length and 11.8 g weight for smooth installation and secure fitting.
- Secure Sealing Performance:Includes metal crush washers and rubber sealing washers to improve sealing, reduce vibration, and help maintain stable threaded connections during use.
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Estimated shipping
Select a product to estimate shipping.Are they difficult to install/replace?
The thread adapters are easy to instaland replace you simply remove the worn-out par and replace itwith the new adapter and washer using a tool
Are they compatible with all threaded fittings?
Adapters are specified with 1/2 x 28 Convert to 5/8x24male threads. Suitable for this size of pipe
Are they resistant to corrosion?
Good thread fit, no problems, good corrosion resistance
Do they prevent leaks effectively?
We provide Rubber&Metal Washers rings for each threaded adapter to ensure a good seal and no leakage
Can they handle heavy-duty usage?
Threaded adapters are made of terrous material with excellent strength to withstand heawy pressure and are suitable for long term use
Product details



| Main Specification | |
|---|---|
| Fastener Size | 1/2 x 28 or 5/8 x 24 |
| Thread Size | 1/2-28 or 5/8-24 |
| Colour | 4 Pcs Thread Protector or 1/2 x 28 Convert to 5/8x24 |
| Manufacturer | HHLZDHH |
| Unit Count | 4 Count |
| Item dimensions L x W x H | 1 X 1 X 1 Inches |
| Exterior Finish | Alloy Steel |
| Metal Type | Alloy Steel |
| Head Style | Round |
| Thread Coverage | Fully Threaded |
| Outside Diameter | 0.5 Inches |
| Brand | HHLZDHH |
| Head Type | Flat |
| Number of Items | 4 |
| Fastener Type | Thread Protector |
| Item Diameter | 0.5 Inches |
| Number of Pieces | 4 |
| Material | Metal |
| Thread Type | Unf |
| Drive System | Slotted |
| Product information | |
| Number of Packs | 4 |
| Set Name | Thread Protector Set (4 Pcs, 1/2 x 28 to 5/8 x 24) |
| Technical Details | |
| Model | 1/2 * 28 or 5/8 * 24 |
| Part Number | Thread Protectors1/2 x 28 and 5/8 x 24 |
| Material Type | Metal |
| Thread Style | Standard |
| Thread Class | Standard |
| Compatible groove diameter | 0.5 Inches |
| Set Screw Thread Type | Unified National Coarse (Unc) |
| Style | |
| Finish Types | Black Oxide |
| Measurements | |
| Item Dimensions | 1 x 1 x 1 inches |
| Others | |
| Size Name | 1/2 * 28 or 5/8 * 24 |
| Product Type | FASTENERS |
| Item Highlight | Black Steel Thread Reducer Kit with Metal & Rubber Sealing Washers for Secure Mechanical Connections |
| Screw Head Style | Round |













