Find the right rigid 2 pipe threader accessories to simplify pipe threading tasks. This guide highlights five solid choices, clarifying who each product is best for and why. Ideal buyers include professional plumbers, maintenance technicians, and serious DIYers working with NPT threads on 1/2″ to 4″ pipes. The following summaries help compare compatibility, durability, and ease of use across common RIDGID and compatible tools.
| Product | Best For | Key Benefit |
|---|---|---|
| 47750 Threading Machine Alloy NPT Dies (1″–2″) | Pro shops needing broad compatibility | Wide range dies with reliable 11-1/2 TPI |
| 36475 Exposed Ratchet Threader Set (1/2″–2″) | Mobile crews with ratchet simplicity | All sizes in one kit with rugged case |
| 26192 4-Piece Dies Set (2-1/2″–4″) | Heavier-duty 2-4″ work with 1224 model | High-speed steel, versatile materials |
| HFS 2-Inch Replacement Die Head | Replacement for existing ratchet systems | Direct fit for compatible HFS tools |
| 47770 HSS Dies (1″–2″) | Ridgid 811 and 811A users | High-speed steel, durable and compatible |
Note: Choose dies and heads based on the threading machine model you own and the pipe materials you most often handle. Always verify compatibility with your RIDGID universal die heads or the specific threader kit in use.
RIDGID 47750 Threading Machine Alloy Dies (1″–2″)

The 47750 set includes dies for 1″ to 2″ pipes and is designed for use with RIDGID universal die heads, including models 504A, 711, 713, 811A, 815A, 816, 817, and 842. It features a right-hand threading specification at 11-1/2 TPI for consistent thread profiles. This option is best for shops needing broad compatibility across multiple RIDGID heads and quick setup for common pipe sizes. Suitable for professional use in plumbing, construction, and maintenance work. Caution: ensure live machine alignment before starting to thread to avoid cross-threading or damage to dies.
Best for: Shops that require versatility across several RIDGID die heads and frequent 1″–2″ threading tasks.
RIDGID 36475 Exposed Ratchet Threader Set (1/2″–2″)

This 1/2″ to 2″ exposed ratchet set provides a manual ratchet operation with separate die heads for each pipe size. It includes ductile cast iron die heads—2″, 1-1/2″, 1-1/4″, 1″, 3/4″, and 1/2″—which fit the ratchet without extra pieces. A rugged carrying case keeps all dies organized. Best for mobile crews or job sites where quick, field-ready threading is needed. Limitation: ratchet control may slow down very tight spaces or high-volume threading tasks compared with powered options.
Best for: Technicians who prioritize portability and quick size changes in the field.
RIDGID 26192 4-Piece Dies Set (2.5″–4″)

This set provides 2-1/2″ to 4″ dies designed to work with the RIDGID Model 1224 threading machine. It supports a broad pipe range and diverse materials, including black steel, galvanized, coated stainless, IMC, and heavy-duty conduit. High-speed steel construction adds durability for professional threading tasks. Best for jobs requiring larger-diameter threading and compatibility with the 1224 model. Caution: verify that your machine’s die head accommodates these larger sizes before use.
Best for: Projects involving 2-4 inch pipes and RIDGID Model 1224 compatibility.
HFS 2-Inch Replacement Die Head

This is a replacement die head specifically for compatible ratchet-style pipe threaders. It is intended as a replacement for worn or damaged die heads. It does not include a full threading kit. Best for users who already own an HFS ratchet system and need a 2″ die. Caution: confirm compatibility with your exact tool model and thread specification before purchasing, as this is a replacement part rather than a full kit.
Best for: Replacing a worn die head in compatible HFS ratchet threaders.
47770 HSS Dies 1–2 In NPT for Ridgid 811, 811A

Engineered with high-speed steel dies designed to fit a range of RIDGID head types including 504A, 711, 713, 811A, 815A, 816, 817, and 842. The 1″–2″ capacity targets common residential and commercial pipe sizes, delivering durability for steady use in varied weather and work environments. Best for Ridgid 811/811A users who need a resilient, long-lasting die option. Limitation: ensure your machine accepts these HSS dies and that the head type matches your equipment.
Buying Guide
What size range do I need?
For most residential and light commercial work, aim for dies covering 1″–2″ and 2-1/2″–4″ as needed. If you frequently handle multiple sizes, consider a set that includes several die sizes in one kit for quick changes.
Is compatibility with RIDGID heads important?
Yes. Many dies are designed to fit specific RIDGID universal die heads (examples include models like 504A, 711, 713, 811A, 815A, etc.). Confirm compatibility before purchase to avoid ill-fitting dies or the need for adapters.
What material should the dies be made from?
High-speed steel (HSS) offers longer life for tough metals and repeated use. For heavy-duty applications or frequent threading on hard materials, HSS options are typically preferred.
When should I choose a ratchet set vs. dies-only options?
Ratchet sets provide portability and speed for field work with multiple sizes in one kit. Dies-only options can be a better fit for fixed station work where you already own a compatible tool and only need replacement dies.
What are common limitations to watch for?
Potential limitations include compatibility with specific machines, the need for correct thread direction (right-handed vs. left-handed), and size constraints for larger pipes. Always verify product compatibility and the intended work environment before buying.
FAQ
- Q: Will these dies work with all RIDGID threading machines? A: Compatibility depends on the specific die head model and machine. Check the listed compatible heads for each product.
- Q: Are replacement die heads universal? A: Some replacement heads fit particular tool families; verify size, thread specification, and compatibility with your tool.
- Q: Can I thread stainless steel with these dies? A: Some dies are rated for stainless or coated materials; review the material capabilities and recommended pipe types for each product.
- Q: Do these sets include carrying cases? A: Some kits include rugged cases; others are dies or heads sold separately. Check product details for storage options.
- Q: What is the best practice to ensure accurate threads? A: Align the dies properly, use appropriate lubrication, and follow the threading machine’s guidelines for speed and torque.
- Q: Is left-handed threading available in these sets? A: The listed items primarily specify right-handed threads; confirm the thread direction if your project requires left-handed threading.