*KMT_KBH20_OFC_OBC_Metric_EN:Layout 1 11/21/12 2:01 PM Page 1 MASTER CATALOGUE KBH20™ www.kennametal.com Language Version: INNOVATIONS_EN-Metric

KMT_KBH20_001_Metric_EN:Layout 1 11/21/12 2:01 PM Page 1 Module Box KBH20™ • Developed for Your Hard Turning Application Requirements Primary Application KBH20 is the ideal PCBN hard turning grade in continuous to lightly interrupted applications. The structure, as well as the different edge preparations, enable tight and repeatable workpiece tolerances, excellent surface finishes, and surface integrity — even at elevated speeds. Typical applications are case-hardened components, such as gears, shafts, and other drive train components. Features and Benefits • Newly developed substrate that allows...

KMT_KBH20_002_003_Metric_EN:Layout 1 11/21/12 2:01 PM Page 2 Module(s): Module(s): Superhard Inserts KBH20™ Features and Benefits KBH20 for Enhanced Performance — 5 Unique Features Newly developed substrate enables application in a wide variety of demanding situations. 1 The substrate contains superhard grains with a uniquely formulated size distribution and nano-structured binder phase. This unique combination provides an unparalleled balance of wear resistance and toughness. The net result is a robust hard turning tooling solution for a wide range of applications, including continuous to interrupted...

KMT_KBH20_002_003_Metric_EN:Layout 1 11/21/12 2:01 PM Page 3 Module(s): Superhard Inserts ™ KBH20 Features and Benefits Large standard portfolio. W Standard edge preparation — the optimum combination of T-land angle, T-land width, and hone size — is paramount in achieving maximum performance. β Kennametal has developed 3 standard edge configurations, including wiper inserts. • Light machining edge prep S01015 • Medium machining edge prep S01225 S01225: W x ß = 0,12mm x 25° • Heavy machining edge prep S01735 4 S01015: W x ß = 0,10mm x 15° α S01735: W x ß = 0,17mm x 35° β — T-Land Angle These edge...

KMT_KBH20_004_005_Metric_EN:Layout 1 11/21/12 2:01 PM Page 4 Module(s): Module(s): Superhard Inserts KBH20™ Technical Information WEAR RESISTANCE Wear and Fracture Resistance KBH20 KB5610 Edge Prep 0,10 x 15° light machining 0,12 x 25° medium machining 0,17 x 35° heavy machining KB5625 KB5630 FRACTURE RESISTANCE Speed Range Selection for Hard Turning INPUT DATA Continuous/Interrupted Interruption Severity The angle between the cutting direction and the edge of the interruption has a big influence on the severity of an interrupt impact. 30º 0º 60º 120º 90º 45 Workpiece Hardness (HRC) OUTPUT DATA...

KMT_KBH20_004_005_Metric_EN:Layout 1 11/21/12 2:01 PM Page 5 Module(s): Superhard Inserts KBH20™ Case Studies Case Study: Differential Shaft Machining Component: Application: Material: Results: Differential shaft O.D. turning Case-hardened steel, pre-machined 95% more parts machined 95% Longer Life over Competition! insert: material: depth of cut: cutting speed: feed rate: coolant: parts machined: KBH20 CNGA120408S01225MT Case-hardened steel, pre-machined 0,15mm (.0059") 180 m/min (590 SFM) 0,12mm (.0047 IPR) External emulsion 215 number of parts/edge 250 COMPETITOR CNGA120408 Case-hardened steel,...

Superhard Inserts Case Study: Gear Machining Component: Gear Material: Case-hardened steel, pre-machined Results: 15% more parts machined cutting speed: feed rate: parts machined: over Competition! Case-hardened steel, Case-hardened steel, Case Study: Drive Train Component Machining Component: Drive train component Material: Case-hardened steel — forged skin Results: 18% more parts machined cutting speed: feed rate: parts machined: Case-hardened steel - forged skin Case-hardened steel - forged skin over Competition!

Superhard Inserts KBH20™ Catalogue Numbering System How Do Catalogue Numbers Work? Each character in our catalog number signifies a specific trait of that product. Use the following key columns and corresponding images to easily identify which attributes apply. Hone Edge www.kennametal.com fe^__^.KENNAMETAL

Superhard Inserts Kenloc™ Inserts i CNGA • Light Machining catalogue number I CNGA • Medium Machining catalogue number ICNGM • Medium Machining catalogue number I CNGA • Heavy Machining catalogue number • first choice

Superhard Inserts Kenloc™ Inserts ■ DNGA • Light Machining catalogue number • first choice DNGA • Medium Machining catalogue number ■ DNGM • Medium Machining catalogue number DNGA • Heavy Machining catalogue number

Superhard Inserts Kenloc™ Inserts i SNGA • Medium Machining catalogue number ITNGA • Light Machining catalogue number ■ TNGA • Medium Machining catalogue number ITNGM • Medium Machining catalogue number I TNGA • Heavy Machining catalogue number • first choice

Superhard Inserts Kenloc™ Inserts ■ VNGA • Light Machining catalogue number • first choice I VNGA • Medium Machining catalogue number IVNGM • Medium Machining catalogue number VNGA • Heavy Machining catalogue number

KMT_KBH20_012_013_Metric_EN:Layout 1 11/21/12 2:02 PM Page 12 Module(s): 4 Module(s): 44347, 44348, 44349 Superhard Inserts Kenloc™ Inserts ⅷ first choice ࠗ P M K N S H alternate choice (MT) ⅷ WNGA • Light Machining L10 Rε ε ISO catalogue number WNGA080404S01015MT WNGA080408S01015FWMT mm 12,70 12,70 mm 8,69 8,69 mm 0,4 0,8 WNGA080408S01015MT 12,70 8,69 0,8 D L10 Rε mm 12,70 mm 8,69 mm 0,8 D L10 Rε mm 12,70 mm 8,69 mm 0,8 KBH20 D ⅷ ⅷ ⅷ (MT) WNGA • Medium Machining ISO catalogue number WNGA080408S01225MT ⅷ (MT) WNGA • Heavy Machining ISO catalogue number WNGA080408S01735MT 12 Language Version:...

Superhard Inserts Screw-On Inserts CCGW • Light Machining catalogue number • first choice CCGW • Medium Machining catalogue number CCGM • Medium Machining catalogue number