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                                                             TECHNICAL INFORMATION

4. DIES

4.1. Die construction elements

                0 d 1 - nom inal thread diam eter
                0 d 2 - outside diam eter
                h i - die thickness
                K - cham fer angle

                11 - rake angle
                12 - sp ira l fa c e in clin a tio n
                w - chip hole
                n - cham fer
                s - spiral face
                z - hole fo r fixing screw

4.2. Dimension standards

             D im ension standards assign proper series o f dies o u ter dim ensions (diam eters, thickness) to nom inal
sta n d a rd s as w e ll as d e te rm in e th e d im e n sio n s con n e cte d w ith d ie s fixin g in the h o ld e r (position, size o f hole s fo r
fixing screw s and V -grooves).

Symbol          Standards                                           Destination

           DIN           EN 22 568       Round dies fo r m etric coarse and fine threads, UNO, UNF,
           DIN   (in the past DIN 223)   BSW , BSF as w ell as oth e r threads, excluding the
           DIN                           pipe threads G and R
                     PN-92/M -58070
L.                        ISO 2568       R ound dies fo r pipe threads G

                         EN 24 231       Round dies fo r tapered pipe threads R
                (in th e past DIN 5158)

                     PN-92/M -58161
                          ISO 4231

                         EN 24 230
                (in th e past DIN 5159)

                     PN-92/M -58160
                          ISO 4230

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