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Carbide insert DNMG 150608 PM H9015 Horn - Turning inserts
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  • Carbide insert DNMG 150608 PM H9015 Horn - Turning inserts
  • Carbide insert DNMG 150608 PM H9015 Horn - Turning inserts - nr. 1
Horn

Carbide insert DNMG 150608 PM H9015 Horn

Horn Horn
0000003722
Cutting edge length: 152 sizes of this insert
1115
€12.95 tax inc.

Net price: €10.53

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W magazynie: +100 szt.
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Call and order: (44) 755-04-05

Description

DNMG 150608 turning insert – indexable 55° diamond

Technical data
Side length l 15.5 mm
Insert thickness s 6.35 mm
Hole diameter d1 5.16 mm
Nose radius re 0.8 mm
ANSI code DNMG 442
DNMG 150608 indexable turning insert made of H9015 cemented carbide, double-sided 55° diamond with a hole and chip breaker

Cutting data for the DNMG insert for steel and stainless steel

finishing, semi-finishing and roughing — ISO P and M groups

MaterialFinishingSemi-finishingRoughing
Vc [m/min]Feed f [mm/rev]ap [mm]Vc [m/min]Feed f [mm/rev]ap [mm]Vc [m/min]Feed f [mm/rev]ap [mm]
PSteel 250-350 0.1 0.1 180-270 0.2 0.4 170-220 0.4 1.5
MStainless steel 125-260 0.1 0.1 100-220 0.2 0.4 80-200 0.4 1.5

H9015 carbide indexable insert – applications and construction

double-sided 55° diamond with a hole and chip breaker

The DNMG 150608 turning insert is a double-sided, rhombic indexable insert made of grade H9015 cemented carbide, designed for semi-finish turning of unalloyed steels, alloy steels and stainless steel. Shape D, a rhombus with a 55° corner angle, facilitates longitudinal turning, facing and contour profiling with a single tool. Negative geometry with a 0° clearance angle allows both sides of the insert to be used — a total of four cutting edges. The nose radius rε of 0.8 mm combines a good surface finish with edge strength at feed rates of 0.2–0.4 mm/rev. A hole with a chip breaker on both sides (type G according to ISO 1832) controls chip flow and breaking.

Key advantages of the H9015 cemented carbide insert

  • Four cutting edges — 2 sharp 55° corners on each of the two sides reduce the cost per cutting edge compared with single-sided inserts.
  • Grade H9015 for steel and stainless steel — carbide for semi-finishing in ISO P and M groups, from unalloyed steels to austenitic stainless steel.
  • Corner radius rε 0.8 mm — a general-purpose balance between surface finish and edge strength.
  • The 55° corner angle provides unobstructed access to the contour and allows longitudinal turning to be combined with profiling without changing the turning tool.
  • Dimensions according to ISO 1832: edge length 15.5 mm, IC 12.7 mm (1/2″), thickness 6.35 mm — fit holders with a 15 pocket.
  • Tolerance class M and the negative, double-sided design ensure repeatable edge positioning after indexing the insert in the pocket.

Applications and cutting data selection for the diamond-shaped insert

The DNMG 150608 insert (also written without a space as dnmg150608) is suitable for turning shafts, bushings and flanges made of structural steels, as well as stainless steel components. Calculate spindle speed using n = 1000·Vc/(π·D): for a shaft diameter of 50 mm at Vc = 250 m/min, the result is approximately 1591 rpm. The 55° corner angle provides good contour access and smooth transitions between longitudinal turning and profiling, at the expense of slightly lower cutting edge strength than with a 80 or 90° corner. When machining stainless steels, maintain a constant feed rate and continuous coolant flow to reduce work hardening of the layer being cut. Grade H9015 indexable inserts are supplied by the Korean brand Horn.

As a cemented carbide insert for turning tools, DNMG 150608 fits common holders with a 15 rhombic pocket and is suitable for both external and internal turning. Nose radius selection in the DNMG 1506 family depends on the operation: 0.4 mm for finishing, 0.8 mm for general use, and 1.2 mm for roughing at higher feed rates. Flood coolant flushes chips out of the pocket and stabilizes the edge temperature, extending edge life during longer longitudinal turning passes.

▲
Application limitation

Grade H9015 is a carbide for semi-finishing and is not intended for steels hardened above 45 HRC — for hard turning, choose a turning insert for hardened steel with a cubic boron nitride cutting edge (CBN).

Rhombic insert designation decoder according to ISO 1832

how to read the DNMG 150608 code — designation positions 1–7

Designation DNMG 150608 according to the standard ISO 1832: 4 letters describe geometry and construction, 3 numeric codes describe dimensions. Each field has a number, an icon, and a brief description.

ISO 1832 designation decoder — how to read the code

1Dshape 2Nangle α 3Mtolerance 4Gtype – 515size 606thickness 708radius rε

Positions 1–4 · ISO code

1DShape

55° rhombus

2 corners of 55° per side

2NClearance angle

α = 0°

negative, double-sided

3MTolerance

Class M (intermediate)

IC ±0.08 · thickness ±0.13 mm

4GType

Hole + chip breaker

chip breaker on both sides

Positions 5–7 · dimensions [mm]

515Size

l = 15.5 mm

IC = 12.7 mm · 1/2″

606Thickness

s = 6.35 mm

between rake faces

708Corner radius

rε = 0.8 mm

code ÷ 10 → radius in mm

✓ 2 corners × 2 sides = 4 cutting edges

Full designation: DNMG 150608 = 55° diamond · negative · class M · hole and chip breaker · IC 12.7 mm (l 15.5 mm) · s 6.35 mm · rε 0.8 mm

Compatible turning tools

holders with a 15 diamond-shaped pocket — external and internal turning

TDJNR/L 2020 K1520×20 × 125 mmR right-hand
←L left-hand
→
TDJNR/L 2525 M1525×25 × 150 mmR right-hand
←L left-hand
→
TDJNR/L 3232 P1532×32 × 170 mmR right-hand
←L left-hand
→
TDJNR/L 4040 S1540×40 × 250 mmR right-hand
←L left-hand
→
TDHNR/L 2020 K1520×20 × 125 mmR right-hand
←L left-hand
→
TDHNR/L 2525 M1525×25 × 150 mmR right-hand
←L left-hand
→
TDHNR/L 3232 P1532×32 × 170 mmR right-hand
←L left-hand
→
TDNNN 2020 K1520×20 × 125 mmR right-hand
←L left-hand
→
TDNNN 2525 M1525×25 × 150 mmR right-hand
←L left-hand
→
TDNNN 3232 P1532×32 × 170 mmR right-hand
←L left-hand
→
TDNNN 4040 S1540×40 × 250 mmR right-hand
←L left-hand
→
PDJNR/L 2020 K1520×20 × 125 mmR right-hand
←L left-hand
→
PDJNR/L 2525 M1525×25 × 150 mmR right-hand
←L left-hand
→
PDJNR/L 3232 P1532×32 × 170 mmR right-hand
←L left-hand
→
PDJNR/L 4040 S1540×40 × 250 mmR right-hand
←L left-hand
→
PDNNN 2020 K1520×20 × 125 mmR right-hand
←L left-hand
→
PDNNN 2525 M1525×25 × 150 mmR right-hand
←L left-hand
→
PDNNN 3232 P1532×32 × 170 mmR right-hand
←L left-hand
→
PDNNN 4040 S1540×40 × 250 mmR right-hand
←L left-hand
→
S32T TD-NR/L-15Ø32 | Ømin 44 mm | L=300R right-hand
←L left-hand
→
S40U TD-NR/L-15Ø40 | Ømin 52 mm | L=350R right-hand
←L left-hand
→
S50V TD-NR/L-15Ø50 | Ømin 67 mm | L=400R right-hand
←L left-hand
→
S25S TDQNR/L-15Ø25 | Ømin 32 mm | L=250R right-hand
←L left-hand
→
S32T TDQNR/L-15Ø32 | Ømin 40 mm | L=300R right-hand
←L left-hand
→
S40U TDQNR/L-15Ø40 | Ømin 50 mm | L=350R right-hand
←L left-hand
→
S50V TDQNR/L-15Ø50 | Ømin 63 mm | L=400R right-hand
←L left-hand
→
S25S TDUNR/L-15Ø25 | Ømin 32 mm | L=250R right-hand
←L left-hand
→
S32T TDUNR/L-15Ø32 | Ømin 40 mm | L=300R right-hand
←L left-hand
→
S40U TDUNR/L-15Ø40 | Ømin 50 mm | L=350R right-hand
←L left-hand
→
S50V TDUNR/L-15Ø50 | Ømin 63 mm | L=400R right-hand
←L left-hand
→
S25S PDQNR/L-15Ø25 | Ømin 32 mm | L=250R right-hand
←L left-hand
→
S32T PDQNR/L-15Ø32 | Ømin 40 mm | L=300R right-hand
←L left-hand
→
S40U PDQNR/L-15Ø40 | Ømin 50 mm | L=350R right-hand
←L left-hand
→
S50V PDQNR/L-15Ø50 | Ømin 63 mm | L=400R right-hand
←L left-hand
→
S32T PDUNR/L-15Ø32 | Ømin 40 mm | L=300R right-hand
←L left-hand
→
S40U PDUNR/L-15Ø40 | Ømin 50 mm | L=350R right-hand
←L left-hand
→
S50V PDUNR/L-15Ø50 | Ømin 63 mm | L=400R right-hand
←L left-hand
→

Frequently asked questions about the DNMG 150608 insert

use, turning tool selection, and turning parameters

Four — the 55° diamond has 2 acute corners per side, and the negative geometry (0° clearance angle) allows both sides of the insert to be used. Once an edge becomes dull, simply rotate the insert in its pocket without changing the holder.

Holders with a 15 diamond-shaped pocket (IC 12.7 mm): for external turning PDJNR/L, TDJNR/L (entering angle 93°), TDHNR/L and neutral turning tools TDNNN and PDNNN with cross sections of 20×20–40×40 mm; for internal turning, boring bars S25S–S50V with a TD-NR/L, TDQNR/L, TDUNR/L, PDQNR/L or PDUNR/L head.

Only in corner radius: 0.4 mm is used for finishing at low feed rates, 0.8 mm is the general-purpose version, and 1.2 mm is selected for roughing at higher feed rates. The remaining dimensions (IC 12.7 mm, thickness 6.35 mm) are identical.

Yes — grade H9015 covers groups ISO P and M, meaning steel and stainless steel. Maintain a constant feed rate and continuous emulsion cooling: austenitic steel dissipates heat poorly and work-hardens when cutting too slowly.

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Carbide insert DNMG 150608 PM H9015 Horn

Carbide insert DNMG 150608 PM H9015 Horn

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