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10pcs APKT160408PDR Carbide Insert Stainless Steel SG20 PVD AlTiN ShopToolUsa

Original price was: $45.00.Current price is: $36.00.

Premium APKT1604 milling insert with SG20 grade (PVD Silicon + AlTiN coating). Optimized for semi-finishing and finishing operations in steels and stainless steels. Superior cutting strength, wear resistance, and thermal stability.

Delivery Time 5-12 Days

 

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SKU: APKT160408-SG20-1 Categories: ,

10pcs APKT1604 Milling InsertSG20 Grade
Developed for demanding milling operations, the APKT1604 insert with SG20 grade offers exceptional performance in a wide range of materials. Built on a fine WC micrograin substrate with high cobalt content, it delivers outstanding edge strength and toughness.

The advanced PVD coating (Silicon + AlTiN) enhances nano-hardness, reduces friction thanks to its low coefficient, and provides excellent thermal stability for extended tool life under high-speed conditions.

Technical Features:

  • Insert Geometry: APKT1604 (Positive 11° relief angle)

  • Grade: SG20

  • Coating: PVD (Silicon + AlTiN)

  • Color: Grey-Black

  • Material: Ultra-fine WC substrate with high Co content

  • Cutting Range:

    • ISO Range: M20–M40 / P10–P30

  • Application Areas:

    • Milling of stainless steels (300 and 400 series)

    • Milling of carbon steels and alloy steels

    • Suitable for semi-finishing and finishing operations

  • Machining Conditions:

    • Dry or with coolant

    • Moderate to high cutting speeds

Benefits:

  • Exceptional edge strength for reliable performance in interrupted cuts.

  • High nano-hardness for improved wear resistance.

  • Superior thermal stability at high temperatures.

  • Reduced friction coefficient for smooth chip evacuation and lower cutting forces.

  • Optimized for general-purpose and difficult-to-machine materials.

Recommended Machining Examples:

 

MaterialCutting Speed (Vc)Feed per Tooth (fz)Depth of Cut (ap)Notes
AISI 304 Stainless Steel120–180 m/min0.08–0.18 mm/tooth1.0–2.5 mmExcellent chip control, superior surface finish
AISI 316 Stainless Steel100–160 m/min0.08–0.15 mm/tooth1.0–2.0 mmStable edge wear, ideal with coolant
Carbon Steel (C45)160–240 m/min0.12–0.20 mm/tooth1.5–3.0 mmHigh removal rates, dry cutting possible
Alloy Steel (42CrMo4)140–200 m/min0.10–0.18 mm/tooth1.0–2.5 mmStable even under interrupted cuts
Grey Cast Iron (GG25)180–260 m/min0.14–0.22 mm/tooth1.5–3.0 mmSuitable for high-speed dry milling

Dimensional Specifications:

  • Length (L): 16.0 mm

  • Width (W): 6.4 mm

  • Thickness (S): 4.8 mm

  • Corner Radius (Re): 0.8 mm (other radii available)

  • Mounting: Single central screw

Notes:

  • Always select cutting conditions based on material hardness and machine rigidity.

  • Toolholders must be checked for compatibility with APKT1604 insert type.

Weight1 lbs
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