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KYHK15B is a ceramic grade designed for machining of hardened steel (>45 HRC), as well as finishing of cast iron and high temperature alloys. KYHK15B is ideal for continuous and varying depth of cuts and provides greater depth of cut capabilities.  

The PVD coated hard turning grade, provides maximum wear resistance, and maximum tool life.

The new coating with its gold color enables easy wear progression identification.

State-of-the-art insert and coating technology provides tighter honing tolerances, leading to higher cutting edge stability, better chipping resistance, and better surface quality.   

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Workpiece Material
Workpiece Material
  • K Cast Iron (179)
    • K1
      Gray Cast Iron 120-290 HB; <32 HRC; 125-500 N/mm^2 UTS (179)
    • K2
      Low and Medium Strength CGI and Ductile Irons 130-260 HB; <28 HRC; <600 N/mm^2 UTS (179)
  • S High-Temp Alloys (179)
    • S2
      Cobalt-Based, Heat-Resistant Alloys 250-450 HB; 25-48 HRC; 1000-1450 N/mm^2 UTS (179)
  • H Hardened Materials (179)
    • H1
      Hardened Materials 44-48 HRC (179)
    • H2
      Hardened Materials 48-55 HRC (179)
    • H3
      Hardened Materials 56-60 HRC (179)
Cutting Condition
Cutting Condition
  • Heavily Interrupted Cut (67)
  • Lightly Interrupted Cut (151)
  • Smooth Cut (157)
  • Varying Depth of Cut (157)
Cutting Edges Per Insert
Cutting Edges Per Insert
  • 1.0 (14)
  • 2.0 (14)
  • 3.0 (7)
  • 4.0 (74)
  • 6.0 (26)
  • 8.0 (44)
Cutting Edges Per Insert Min to Cutting Edges Per Insert Max
Corner configuration
Corner Radius
Corner Radius
  • 0.016 in (21)
  • 0.031 in (61)
  • 0.047 in (47)
  • 0.063 in (18)
  • 0.095 in (4)
  • 0.125 in (1)
  • 0.126 in (2)
  • 0.188 in (4)
  • 0.25 in (9)
  • 0.313 in (3)
  • 0.375 in (5)
  • 0.5 in (4)
Corner Radius Min to Corner Radius Max
Corner Radius
Corner Radius
  • 0.4 mm (21)
  • 0.8 mm (61)
  • 1.201 mm (47)
  • 1.6 mm (18)
  • 2.401 mm (4)
  • 3.176 mm (1)
  • 3.2 mm (2)
  • 4.775 mm (4)
  • 6.351 mm (9)
  • 7.95 mm (3)
  • 9.525 mm (5)
  • 12.701 mm (4)
Corner Radius Min to Corner Radius Max
Application
Minimum Depth of Cut
Minimum Depth of Cut
Minimum Feed
Minimum Feed
Wiper Insert
Wiper Insert
  • N (176)
  • Y (3)
Front-End
Insert Shape
Insert Shape
  • C-DIAMOND/RHOMBIC 80 (32)
  • D-DIAMOND/RHOMBIC 55 (40)
  • E-DIAMOND/RHOMBIC 75 (6)
  • L-RECTANGLE 90 (2)
  • R-ROUND (26)
  • S-SQUARE 90 (32)
  • T-TRIANGLE 60 (31)
  • V-DIAMOND/RHOMBIC 35 (7)
  • W-TRIGON 80 (3)
Insert Geometry
Shape
Shape
  • C-DIAMOND/RHOMBIC 80 (32)
  • D-DIAMOND/RHOMBIC 55 (40)
  • E-DIAMOND/RHOMBIC 75 (6)
  • L-RECTANGLE 90 (2)
  • R-ROUND (26)
  • S-SQUARE 90 (32)
  • T-TRIANGLE 60 (31)
  • V-DIAMOND/RHOMBIC 35 (7)
  • W-TRIGON 80 (3)
Insert IC Size
Insert IC Size
  • 6.351 mm (9)
  • 9.525 mm (33)
  • 10.0 mm (5)
  • 12.701 mm (110)
  • 15.875 mm (4)
  • 19.05 mm (10)
  • 25.401 mm (6)
Insert IC Size Min to Insert IC Size Max
Insert IC Size
Insert IC Size
  • 0.25 in (9)
  • 0.375 in (33)
  • 0.394 in (5)
  • 0.5 in (110)
  • 0.625 in (4)
  • 0.75 in (10)
  • 1.0 in (6)
Insert IC Size Min to Insert IC Size Max
Cutting Edge Length
Cutting Edge Length
  • 8.675 mm (3)
  • 9.525 mm (5)
  • 11.0 mm (8)
  • 12.201 mm (5)
  • 12.701 mm (23)
  • 12.9 mm (27)
  • 13.15 mm (6)
  • 15.5 mm (35)
  • 16.125 mm (1)
  • 16.5 mm (19)
  • 16.6 mm (5)
  • 19.05 mm (2)
  • 19.35 mm (3)
  • 21.901 mm (1)
  • 22.0 mm (4)
  • 22.151 mm (2)
  • 25.401 mm (2)
  • 38.1 mm (2)
Cutting Edge Length Min to Cutting Edge Length Max
Cutting Edge Length
Cutting Edge Length
  • 0.342 in (3)
  • 0.375 in (5)
  • 0.433 in (8)
  • 0.48 in (5)
  • 0.5 in (23)
  • 0.508 in (27)
  • 0.518 in (6)
  • 0.61 in (35)
  • 0.635 in (1)
  • 0.65 in (19)
  • 0.654 in (5)
  • 0.75 in (2)
  • 0.762 in (3)
  • 0.862 in (1)
  • 0.866 in (4)
  • 0.872 in (2)
  • 1.0 in (2)
  • 1.5 in (2)
Cutting Edge Length Min to Cutting Edge Length Max
Cutting Tool Material
Cutting Tool Material
  • C N (159)
  • H W (20)
Tolerance Class
Tolerance Class
  • G (177)
  • M (2)
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