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Online literature contains the most current information available.
  • Designed for use in tapered holes.
  • Tapered mounting hole allows for rapid and accurate alignment prior to installation.
  • Aluminum inserts ideal for light weight designs.
  • Aluminum and stainless steel inserts offer lead-free alternative.
Unit of Measure

Thread Size

N/A .313-18 (5/16-18)

Type

N/A IUC
Thread Code1 N/A 0518

Length Code

N/A 1

A ± .005

N/A .335 in SI_IUB_dimension-518.jpg

E ± .005

N/A .469 in

C ± .005

N/A .439 in

Min. Hole Depth

N/A .375 in

D ± .002

N/A .431 in

F ± .002

N/A .448 in

R Ref. Taper Length

N/A .122 in

Fastener Material

N/A 300 Series Stainless Steel

Standard Finish

N/A Passivated and/or tested per ASTM A380

CAD Supplier

N/A PennEngineering® (SI®)
  • 1 Thread tapped thru, Class 3A/4h screw must pass with finger torque, but basic go gauge may stop at last thread.