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Studbolt with 2 heavy hexagon nuts ASME B16.5/B18.2.2 Steel ASTM A320 - ASTM A194 Plain Gr.L7 - Gr.4 2.1/4X390 (15.3/8)

  1. ART NR 22330.571.390
  2. EAN 8715494426206
  3. UBB 500578967761
  4. UNSPSC 31161619
Diameter (inch) 2.1/4
Length (L) (mm) 390
Length (L) (Inch - ft) 15.3/8
  • Tolerances of the total length of the studbolts according to ASME B16.5 Table C-3
  • L is the nominal length of the studbolt, measured from the first to the last full thread and thus excluding the chamfered ends.
Class Gr.L7 - Gr.4
Material Steel
Material technical ASTM A320 - ASTM A194
Thread direction Right
Surface treatment Plain
Thread 8 Unified National
  • Grade 4 nuts are no longer in ASTM A194/A194M and will be phased out gradually. It is advised to use Grade 7 nuts instead.
BS ≈4882
ASTM A193/A194
ASME B16.5/B18.2.2
  1. Select other sizes


B 3.1/2
M 56
Threads per inch 8