One of the most common and costly mistakes in laser cutting consumables procurement is ordering nozzles with the wrong thread specification. A Precitec nozzle will not fit a Raytools cutting head, and vice versa. Attempting to force an incompatible nozzle can damage the cutting head threads, leading to expensive repairs or replacement.
This guide provides a comprehensive comparison of Precitec vs Raytools nozzle specifications, covering thread types, dimensional differences, and a complete compatibility matrix for all major cutting head models. Whether you are sourcing OEM replacements or exploring quality aftermarket alternatives, this guide ensures you order the right nozzle every time.
The Fundamental Difference: Thread Specifications
The most critical difference between Precitec and Raytools nozzles is the thread specification:
| Brand | Thread Specification | Thread Diameter | Thread Pitch |
|---|---|---|---|
| Precitec | M11 Γ 1.0 | 11 mm | 1.0 mm |
| Raytools | M16 Γ 1.0 | 16 mm | 1.0 mm |
| WSX | M11 Γ 1.0 | 11 mm | 1.0 mm |
| Trumpf | Proprietary | Varies | Varies |
| Bystronic | M11 Γ 1.0 | 11 mm | 1.0 mm |
| Han's Laser | M11 Γ 1.0 | 11 mm | 1.0 mm |
Key takeaway: Most cutting head brands use M11 thread. Raytools is the notable exception with M16 thread. This means nozzles from Precitec, WSX, Bystronic, and Han's are often interchangeable (same M11 thread), but Raytools nozzles are not compatible with any other brand.
Precitec Cutting Head Models and Nozzle Specifications
Precitec is a German manufacturer known for high-precision cutting heads used in demanding industrial applications. Their cutting heads are found on machines from TRUMPF, Bystronic, Mazak, Amada, and many other OEM manufacturers.
Precitec ProCutter Series
The ProCutter is Precitec's flagship cutting head for high-power applications.
| Model | Power Rating | Nozzle Thread | Nozzle Body Diameter | Compatible Nozzle Types |
|---|---|---|---|---|
| ProCutter 1.0 | Up to 6 kW | M11 Γ 1.0 | 28 mm (D28) | Single, Double Layer |
| ProCutter 2.0 | Up to 10 kW | M11 Γ 1.0 | 28 mm (D28) | Single, Double Layer |
| ProCutter 3.0 | Up to 15 kW | M11 Γ 1.0 | 28 mm (D28) | Single, Double Layer |
Precitec PRC Series
The PRC series is designed for standard industrial cutting applications.
| Model | Power Rating | Nozzle Thread | Nozzle Body Diameter |
|---|---|---|---|
| PRC 1500 | Up to 3 kW | M11 Γ 1.0 | 28 mm (D28) |
| PRC 2000 | Up to 6 kW | M11 Γ 1.0 | 28 mm (D28) |
Precitec Lightcutter Series
The Lightcutter is a compact, lightweight cutting head for high-speed thin sheet applications.
| Model | Power Rating | Nozzle Thread | Nozzle Body Diameter |
|---|---|---|---|
| Lightcutter 3.0 | Up to 6 kW | M11 Γ 1.0 | 28 mm (D28) |
Precitec YW52 / YW30 Series (Older Models)
Older Precitec models used in legacy machines.
| Model | Nozzle Thread | Notes |
|---|---|---|
| YW52 | M11 Γ 1.0 | Standard D28 nozzle body |
| YW30 | M11 Γ 1.0 | Standard D28 nozzle body |
Raytools Cutting Head Models and Nozzle Specifications
Raytools is a Chinese manufacturer that has become one of the most widely used cutting head brands globally, particularly in machines from Han's Laser, Bodor, Bystronic (some models), and many other manufacturers.
Raytools BT Series (Most Common)
The BT series is Raytools' standard cutting head line, accounting for the vast majority of Raytools installations.
| Model | Power Rating | Nozzle Thread | Nozzle Body Diameter | Compatible Nozzle Types |
|---|---|---|---|---|
| BT210S | Up to 3 kW | M16 Γ 1.0 | 32 mm (D32) | Single, Double Layer |
| BT240S | Up to 6 kW | M16 Γ 1.0 | 32 mm (D32) | Single, Double Layer |
| BT300S | Up to 10 kW | M16 Γ 1.0 | 32 mm (D32) | Single, Double Layer |
| BT300A | Up to 10 kW | M16 Γ 1.0 | 32 mm (D32) | Single, Double Layer |
| BT500S | Up to 15 kW | M16 Γ 1.0 | 40 mm (D40) | Single, Double Layer |
| BT600S | Up to 20 kW | M16 Γ 1.0 | 40 mm (D40) | Single, Double Layer |
Raytools BM Series (High-Power)
| Model | Power Rating | Nozzle Thread | Nozzle Body Diameter |
|---|---|---|---|
| BM110 | Up to 6 kW | M16 Γ 1.0 | 32 mm (D32) |
| BM115 | Up to 10 kW | M16 Γ 1.0 | 32 mm (D32) |
WSX Cutting Head Nozzle Specifications
WSX is another major Chinese cutting head manufacturer. Their nozzles use M11 thread, making them compatible with Precitec nozzles.
| Model | Power Rating | Nozzle Thread | Nozzle Body Diameter |
|---|---|---|---|
| NC12 | Up to 3 kW | M11 Γ 1.0 | 28 mm (D28) |
| NC30 | Up to 6 kW | M11 Γ 1.0 | 28 mm (D28) |
| NC50 | Up to 10 kW | M11 Γ 1.0 | 28 mm (D28) |
| NC100 | Up to 15 kW | M11 Γ 1.0 | 32 mm (D32) |
Nozzle Body Diameter: D28 vs D32 vs D40
In addition to thread specification, nozzle body diameter is another critical dimension. The nozzle body diameter determines the outer diameter of the nozzle where it contacts the cutting head.
| Nozzle Body Diameter | Common Applications |
|---|---|
| D28 (28 mm) | Most Precitec, WSX, and standard Raytools BT210/BT240/BT300 |
| D32 (32 mm) | Some Raytools high-power models; some WSX NC100 |
| D40 (40 mm) | Raytools BT500/BT600 high-power series |
Note: Even if the thread specification matches, using a nozzle with the wrong body diameter will result in incorrect seating and potential gas leaks. Always verify both thread specification AND body diameter.
Complete Compatibility Matrix
Use this matrix to quickly identify compatible nozzle specifications for your cutting head:
| Cutting Head | Thread | Body Diameter | Compatible With |
|---|---|---|---|
| Precitec ProCutter | M11 Γ 1.0 | D28 | Precitec M11, WSX M11, Bystronic M11, Raysers M11 |
| Precitec PRC | M11 Γ 1.0 | D28 | Precitec M11, WSX M11, Bystronic M11, Raysers M11 |
| Precitec Lightcutter | M11 Γ 1.0 | D28 | Precitec M11, WSX M11, Bystronic M11, Raysers M11 |
| Raytools BT210/240/300 | M16 Γ 1.0 | D32 | Raytools M16, Raysers M16 |
| Raytools BT500/600 | M16 Γ 1.0 | D40 | Raytools M16 D40, Raysers M16 D40 |
| WSX NC12/30/50 | M11 Γ 1.0 | D28 | WSX M11, Precitec M11, Raysers M11 |
| WSX NC100 | M11 Γ 1.0 | D32 | WSX M11 D32, Raysers M11 D32 |
| Bystronic ByCut | M11 Γ 1.0 | D28 | Precitec M11, WSX M11, Raysers M11 |
| Han's Laser Marvel | M11 Γ 1.0 | D28 | Precitec M11, WSX M11, Raysers M11 |
How to Identify Your Nozzle Thread Specification
If you are unsure which thread specification your cutting head uses, here are three ways to identify it:
Method 1: Check the Cutting Head Manual
The cutting head manual or datasheet will specify the nozzle thread and body diameter. This is the most reliable method.
Method 2: Measure the Nozzle
Use a thread gauge or calipers to measure the nozzle:
- M11 thread: Outer diameter approximately 11 mm
- M16 thread: Outer diameter approximately 16 mm
Method 3: Check the Machine Documentation
The machine manufacturer's documentation will specify which cutting head is installed and the compatible nozzle specifications.
Method 4: Contact Your Supplier
If you have an existing nozzle that fits your machine, send it to your supplier for identification. Raysers can identify nozzle specifications from photos or physical samples.
Aftermarket Nozzles: What to Look For
When sourcing aftermarket nozzles for Precitec or Raytools cutting heads, the following specifications are critical for ensuring compatibility and performance:
Dimensional tolerances:
- Thread specification: Must match exactly (M11 or M16, pitch 1.0 mm)
- Nozzle body diameter: Β±0.01 mm tolerance
- Orifice diameter: Β±0.01 mm tolerance
- Overall length: Β±0.05 mm tolerance
Material requirements:
- Nozzle body: Copper alloy (CuZn or CuCrZr for high-power applications)
- Surface finish: Smooth, polished interior for optimal gas flow
- Plating: Optional nickel or chrome plating for extended lifespan
Quality certification:
- ISO 9001 quality management system
- Dimensional inspection reports available on request
- Batch-to-batch consistency
Cost Comparison: OEM vs Aftermarket Nozzles
| Nozzle Type | OEM Price (Approximate) | Raysers Price | Savings |
|---|---|---|---|
| Precitec M11 Single Layer 1.5 mm | $8 β $15 | $3 β $6 | 50 β 60% |
| Precitec M11 Double Layer 2.0 mm | $10 β $18 | $4 β $7 | 50 β 60% |
| Raytools M16 Single Layer 1.5 mm | $8 β $14 | $3 β $6 | 50 β 60% |
| Raytools M16 Double Layer 2.0 mm | $10 β $16 | $4 β $7 | 50 β 60% |
| WSX M11 Single Layer 1.5 mm | $7 β $13 | $3 β $5 | 50 β 60% |
Prices are approximate and vary by quantity. Contact Raysers for current pricing and bulk discounts.
For a machine consuming 20 nozzles per month, switching from OEM to Raysers can save $100β$200 per month, or $1,200β$2,400 per yearβwithout any reduction in cutting performance.
Ordering the Right Nozzle: A Checklist
Before placing a nozzle order, verify the following:
- Cutting head brand and model (e.g., Precitec ProCutter 2.0)
- Thread specification (M11 or M16)
- Nozzle body diameter (D28, D32, or D40)
- Nozzle type (single layer or double layer)
- Orifice diameter (e.g., 1.0 mm, 1.5 mm, 2.0 mm, 2.5 mm)
- Quantity required
For assistance identifying the correct nozzle for your cutting head, contact the Raysers technical team at [email protected] or +86-18867536973. We supply nozzles for all major cutting head brands in both M11 and M16 thread specifications.


