M: Designates a heavy-duty Multi-Lock / Combination Clamping mechanism. This setup utilizes both an internal eccentric locking pin (pulling the insert tight into the pocket walls) and a rugged top-clamp finger (pressing it downward).
D: Engineered strictly to accept standard 55° Rhombic (Diamond-shaped) negative turning inserts.
Q: Configured with a distinct 107.5-degree approach/lead angle. This provides a steep, sweeping clearance angle ideal for copy-turning profiles, backing out of shoulderandchamfering without tool-heel interference.
N: Designed with a 0° Normal Clearance/Relief Angle (utilizes negative-style inserts with built-in clearance).
R: Right-hand cutting direction orientation (the tool feeds right-to-left along the machine axis toward the headstock spindle).
2525: Standard industrial square shank footprint measuring exactly 25 mm height × 25 mm width (approx. 1 inch).
M: Total tool shank length measuring exactly 150 mm long from the tail base to the cutting tip edge.
1506: The pocket size is machined explicitly to hold 15 mm cutting edge length inserts with a thicker 6.35 mm structural thickness (such as the standard DNMG 150604 or DNMG 150608).
🎯 Primary Application Group
Copy Profiling & V-Groove Sweeps: The 107.5° lead profile gives the tool head freedom to transition from continuous straight outer diameter (OD) turning into steep angular tapers and outward recess sweeps.
Interrupted & Heavy Roughing: Because it utilizes the highly secure "M-type" dual-action clamping layout, the insert will not wiggle or shift out of tolerance when crashing through scale, welds, or interrupted cuts on heavy metal forgings.
