Print Back
  • 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.
Tapered, thru threaded inserts – Types IUB, IUC
Tapered, thru threaded inserts – Types IUB, IUC-2
Unit of Measure
Items Tapered, thru threaded inserts – Types IUB, IUC
IUA-M2-1
Tapered, thru threaded inserts – Types IUA, IUB, IUC - Metric
Tapered, thru threaded inserts – Types IUB, IUC
IUB-M2-1
Tapered, thru threaded inserts – Types IUA, IUB, IUC - Metric
Tapered, thru threaded inserts – Types IUB, IUC
IUC-M2-1
Tapered, thru threaded inserts – Types IUA, IUB, IUC - Metric
Tapered, thru threaded inserts – Types IUB, IUC
IUA-M2.5-1
Tapered, thru threaded inserts – Types IUA, IUB, IUC - Metric
Tapered, thru threaded inserts – Types IUB, IUC
IUA-M2.5-2
Tapered, thru threaded inserts – Types IUA, IUB, IUC - Metric
Thread Size N/A M2 x 0.4 N/A M2 x 0.4 N/A M2 x 0.4 N/A M2.5 x 0.45 N/A M2.5 x 0.45
Type N/A IUA N/A IUB N/A IUC N/A IUA N/A IUA
Thread Code1 N/A M2 N/A M2 N/A M2 N/A M2.5 N/A M2.5
Length Code N/A 1 N/A 1 N/A 1 N/A 1 N/A 2
A ± 0.13 N/A 2.92 mm SI_IUB_dimension-518.jpg N/A 2.92 mm SI_IUB_dimension-518.jpg N/A 2.92 mm SI_IUB_dimension-518.jpg N/A 3.43 mm SI_IUB_dimension-518.jpg N/A 5.56 mm SI_IUB_dimension-518.jpg
E ± 0.13 N/A 3.58 mm N/A 3.58 mm N/A 3.58 mm N/A 4.37 mm N/A 4.37 mm
C ± 0.13 N/A 3.12 mm N/A 3.12 mm N/A 3.12 mm N/A 3.99 mm N/A 3.79 mm
Min. Hole Depth N/A 3.94 mm N/A 3.94 mm N/A 3.94 mm N/A 4.44 mm N/A 6.58 mm
D ± 0.05 N/A 3 mm N/A 3 mm N/A 3 mm N/A 3.89 mm N/A 3.58 mm
F ± 0.05 N/A 3.12 mm N/A 3.12 mm N/A 3.12 mm N/A 4.04 mm N/A 4.04 mm
R Ref. Taper Length N/A 0.9 mm N/A 0.9 mm N/A 0.9 mm N/A 1.07 mm N/A 3.29 mm
Fastener Material N/A Aluminum N/A Free-Machining, Leaded Brass N/A 300 Series Stainless Steel N/A Aluminum N/A Aluminum
Standard Finish N/A Plain N/A Plain N/A Passivated and/or tested per ASTM A380 N/A Plain N/A Plain
Screw Length Code N/A 1 N/A 1 N/A 1 N/A 1 N/A 2
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.