GTI DIN69871-ER (tapping) :  DIN 6499 ER tapping attachments with DIN 69871 form A tapered shanks.  
 
 
TAPER HARDNESS 58-60 SURFACE FINISH N5
  Designation
SS

CSI
Tap
min
Tap
max
d
min
d
max

L

L1

L3

D3

D2

Flf

Flb

G

Kg
  GTI DIN69871 40 ER40  40  ER40  M6  M28  3.0  26.0  130.60  111.5  51.00  63.00  56.50  9.0  4.0  M16  2.90
  GTI DIN69871 50 ER40  50  ER40  M6  M28  3.0  26.0  133.30  114.2  51.00  63.00  56.50  9.0  4.0  M24  4.20

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