Welcome
Please confirm your preferences
Update Preferences

Product Suggestions

Product Family suggestions

Contact a Kennametal Expert

Customer Support

Find customer support centers around the globe.

Quick Order
Item(s) successfully added to cart
View Cart
Turn up your volume for less with our limited-time offers! Shop Now

    Tech Tip #35 - Tap Coatings

    Below are Kennametal’s current recommendations for taps in various materials. They are listed in order of preference. Those in parentheses should be viewed as alternatives, but are not in order of preference.

    Maxi #1 is Kennametal’s designation for nitride. Increase SFM by 50% for TiN and TiCN, and 100% for TiAlN. 

    • Carbon steels 1010, 1045: TiCN, TiN, (oxide, oxide over nitride)
    • Alloy steels 4140, 8620: TiCN, TiN (oxide, oxide over nitride)
    • Tool steels A2, D2, H13: TiCN, TiN (TiAlN, oxide, oxide over nitride)
    • 300 Stainless 304, 316: TiCN, TiN (oxide, oxide over nitride)
    • 400 Stainless 414, 440: TiCN, TiN (oxide, oxide over nitride)
    • PH Stainless 15-5PH, 17-4PH: TiCN, TiAlN (TiN, oxide, oxide over nitride)
    • Cast iron, ductile: TiCN, TiN (oxide, oxide over nitride, Maxi #1)
    • Cast iron, gray class 20-50: TiCN, TiN (oxide, oxide over nitride, Maxi #1)
    • Aluminum, wrought 1100, 2024: CrN, Maxi #1
    • Aluminum, silicon cast 319, 360, 380: (TiCN, Maxi #1) TiN, CrN
    • Copper, brass, bronze, zinc, magnesium: CrN, Maxi
    • Titanium, pure CP Ti: Maxi #1, CrN
    • Titanium, alloy Ti-6AL-4V: Max #1, (TiN, TiCN, TiAlN, CrN)
    • Nickel-based alloy monel, Inconel: TiCN, (TiN, TiAlN, CrN) (Maxi #1, oxide, oxide over nitride)
    • Iron-based alloy A-286, Incoloy: TiCN, (TiN, TiAlN) (Maxi #1, oxide, oxide over nitride)
    • Cobalt-based alloy haynes: TiCN, (TiN, TiAlN, CrN) (Maxi #1, oxide, oxide over nitride)
    • Plastics, soft and abrasive: TiCN, (TiN, Maxi #1) CrN
    • Graphite: TiCN, (TiN, Maxi #1) CrN
    You are about to add to your My Solutions page. Do you want to proceed?
    Select the destination where you want to move to.
    New Folder
      • Applied Filters:
      • Clear All

    A folder with the name already exists.

    Please enter a valid name
    product-image
    Please adjust the following properties from

    ISO Catalog Number

    ANSI Catalog Number

    to find similar products.

    The following files are available

    Please select a file to download

    Models

    Product data

    I have read and accepted the Terms & Conditions of use

    Can’t find the file type you’re looking for?

    You should be logged to see your dashboard information
    Session expired due to inactivity, please login again
    The product/s () you were trying to add to the cart is/are not available, please contact customer service
    item(s) successfully added to the cart
    View Cart

    . Please enter the desired qty for the material(s) you want to include in your promotion or Proceed Without Promotion and only your base materials will be added to the cart.

    Minimum quantity should be

    SAP Material NumberISO Catalog NumberGrade  

    You are about to leave the Solution building process.

    Are you sure you want to leave?