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Description
CROSS SECTION 20×20 mm
LENGTH 125 mm
INSERT DNMG 150604rr
ANGLE κr 107.5°
Technical specifications of the MDQNR 20X20 1506 turning tool
| Technical Data | |
|---|---|
| ISO designation | MDQNR 20X20 1506 |
| Shank height (h) | 20 mm |
| Shank width (b) | 20 mm |
| Overall length (L) | 125 mm |
| Functional overhang (f) | 25 mm |
| Entering angle (κr) | 107.5° |
| Clearance angle | 0° (negative) |
| Clamping system | ISO — combination (M) |
| Insert type | DNMG 150604rr |
| Cutting direction | R — right-hand |
| Manufacturer | Varel |
Turning tool MDQNR 20X20 1506 – for longitudinal turning with facing
Professional indexable turning tool 20×20 mm for a DNMG insert
Turning tool MDQNR 20X20 1506 is a professional turning tool designed for external turning on conventional and CNC lathes. The shank with a cross section of 20×20 mm and a length of 125 mm provides the rigidity required for industrial machining. The geometry with an entering angle of 107.5° enables longitudinal turning with facing.
The combination clamping system (M) ensures maximum clamping rigidity and quick replacement of the DNMG 150604rr insert. The negative geometry of the 55° rhombic insert with 4 cutting edges is well suited to roughing and medium machining, providing high cutting edge strength and cost efficiency thanks to its double-sided design. The tool is compatible with DNMG 15 inserts in various carbide grades — select the grade to match the workpiece material.
Typical applications of the MDQNR 20X20 1506 turning tool
Cutting operations:
| ▸ | Longitudinal turning — the 107.5° angle provides stable cutting along the workpiece axis with light facing |
| ▸ | Roughing and medium machining of steel and cast iron — negative DNMG geometry ensures maximum cutting edge strength and 2× more edges |
| ▸ | Machining shafts and bushings — a general-purpose tool for external turning of rotational parts |
| ▸ | Taper turning — machining tapered surfaces on CNC and conventional lathes |
| ▸ | CNC production runs — quick insert replacement and repeatable positioning |
Included
Package contents for MDQNR 20X20 1506
Package contents:
| ✓ | Tool body MDQNR 20X20 1506 | 1 pcs |
| ✓ | Combination clamp (clamp + pin) | 1 pcs |
| ✓ | Hex key for insert replacement | 1 pcs |
| ✗ | DNMG 150604rr cutting insert (sold separately) | — |
Compatible DNMG 150604rr insert
DNMG 150604rr
The cutting insert is not included in the set — it must be purchased separately. DNMG insert. Negative geometry means that the insert is double-sided and has 4 cutting edges, providing maximum cutting edge strength and cost efficiency.
Select the insert grade to match the workpiece material: P (structural steels), M (stainless steel), K (cast iron), N (aluminum). You can find compatible inserts in the section "Related products" below.
Insert installation and replacement for the MDQNR 20X20 1506 turning tool
Instructions for the combination clamping system (M)
Insert replacement procedure step by step
1 Loosen the clamp
Loosen the clamping screw 2-3 turns
2 Clean the insert seat
Remove chips and debris
3 Install the insert
Fit onto the pin and press down
4 Tighten the clamp
Torque 2.0–3.0 Nm
Important: Do not exceed the recommended tightening torque — this may damage the thread in the seat or crack the insert.
Checks before starting work:
| ▸ | Tool overhang — do not exceed 1.5× the shank height without support |
| ▸ | Cutting edge height — set the cutting edge at spindle center height (±0.05 mm) |
| ▸ | Insert seat condition — check that the contact surface is not damaged or worn |
| ▸ | Secure clamping — the insert must have no play in the seat |
| ▸ | Indexing — when an edge wears out, rotate the insert to a fresh edge (4 edges in total) |
Note: Use coolant during machining — it extends insert life and improves surface finish. When machining without coolant, reduce the cutting parameters by 20–30%.
Frequently asked questions — MDQNR 20X20 1506
This tool accepts inserts DNMG 150604rr in any carbide grade. Select the grade to match the workpiece material: P (steels), M (stainless steel), K (cast iron), N (aluminum). You can find compatible inserts in the "Related products" section below.
The entering angle of 107.5° provides stable longitudinal turning with light facing. The most popular angle for general-purpose machining on CNC and conventional lathes.
The DNMG insert has negative geometry (clearance angle 0°), which means it is double-sided with 4 cutting edges. When one edge wears out, rotate or flip the insert to use the next edge — this significantly reduces tooling cost per part.
Product accessories
Carbide insert DNMG 150404 TM AE9015 Horn
Reference: 0000003779 In stock > 10 items
€9.21
€11.33 brutto
Carbide insert DNMG 150408 TM AE9015 Horn
Reference: 0000013106 In stock > 10 items
€8.42
€10.36 brutto
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Shipping
All orders are delivered by courier company GLS. For orders exceeding 369 PLN gross shipping is FREE
| Courier GLS | Przelew24 / Prepayment | 14,76 zł gross | Delivery time 1 working day |
| Courier GLS | Cash on delivery | 17,26 zł gross | Lead time 1 working day |
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