Page 1949 - Master Catalog 2017, Inch
P. 1949

How to Order Special Taps
                      WIDIA ™  leads the industry in quoting technology. Experienced quotation specialists and product engineers
                    use in-house designed software to generate a quote from a customer inquiry and design cutting tools with
                    the requested features, modifi cations, options, and surface treatments.
                      Use the following outline when selecting a tap:
                           1.  Determine the tap that meets your cutting tool needs. For assistance,
                            consult the Tap Selection Guide on pages V2–V17.
                           2.  If the style, size, and/or quantity is not listed, consult customer service
                            for a factory quote. WIDIA is fully equipped and ready to design your
                            tool to your unique specifi cations.
                      Please use the following guidelines when placing an order:
                           1. Tap style and required quantity.                   NOTE:  If you do not specify the pitch, number of fl utes,
                           2. Catalog number.                                      and/or chamfer, standard specifi cations will be
                           3. Size and pitch (nominal diameter and threads per inch or mm pitch).  applied and shipped uncoated.
                           4. Chamfer (taper, plug, modifi ed bottoming, or bottoming).
                           5. Surface treatments.                                  Any additional information, such as material to be
                           6. Additional features or options.                      tapped, type of hole, and any general dimensions,
                                                                                   such as overall length and shank diameter, will
                                                                                   ensure a correct tap for your application.
                     Delivery Matrix

                    „  Surface Treatments
                                                                        lead
                                     treatment                          time                        price
                                 TiN — Titanium Nitride                 3 days                consult customer service
                                    Steam Oxide                         2 days                      N/C
                                      Nitride                           2 days                      N/C
                                  Steam Oxide/Nitride                   2 days                      N/C
                               TiCN — Titanium Carbonitride            1 week                 consult customer service
                              TiAlN — Titanium Aluminum Nitride        2 weeks                consult customer service
                                CrN — Chromium Nitride                 2 weeks                consult customer service
                      NOTE: Add to lead time designated for special taps.


                    „    Common Special Taps and Special Taps from Blanks     „  Additional Features and Options

                                                     max        lead                                       lead
                                 sizes              quantity    time                feature/option         time
                              up to 13/16", M20      72 pcs.    1 day         controlled root (minor diameter ±.001")  no additional time
                                                                                double lead (except form taps)  1 day
                              7/8–1", M22–M25        24 pcs.    1 day
                                                                                      triple lead          1 day
                             1-1/16–2", M27–M48      12 pcs.    1 day         interrupted threads, taper or straight,
                                                                                     odd number            1 day
                             2-1/8–2-1/2", M56       6 pcs.     1 day
                                                                                  external centers removed  no additional time
                              larger than 2-1/2"     2 pcs.     1 day               special marking    no additional time
                                                                              special VariTap, EM-NI, & EM-TI Taps  2 weeks
                         Rp (BSPP), Rc (BSPT), G (BSPF)  47 pcs.  3 days
                                                                                       STI taps            1 day
                      NOTE:  For orders greater than specifi ed maximum quantity, consult     NOTE: Add to lead time designated for special taps.
                         customer service.
                                                                                                fi rst choice
                    „  Coating Recommendation Chart                                           alternate choice

                        material group    oxide        nitride       TiN         TiCN         TiAiN        CrN
                             P
                            M
                             K
                             N
                             S
                             H
                      speed (SFM) increase  0%          0%          50%          50%         100%          0%




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