VOLKEL STI Short Machine Tap ISO 529 Form D HSS-G 

Application:

for general use

• non abrasive material up to 900 N/mm²

• unalloyed and low alloyed steel

• for thread cutting by hand and machine

• for through and blind holes

  Type of thread	Unified Fine Thread
  Standard	ISO 529
  Form	Form D
  Material	HSS-G
  Tolerance	3B
  Size	UNF 7/16 x 20
  Overall length (L1)	84 mm
  Thread length (L2)	24 mm
  Core hole diameter (D1)	11.5 mm
  Shank diameter (D2)	9.0 mm
  Diameter (B)	12.8 mm
  Drive connector	7.1 mm