EFC International
EFC International
1940 Craigshire St. Louis,
MO 63146-4008
Phone: 1 314.434.28881
Contact: www.efc-intl.com/contact
Website: www.efc-intl.com
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Knurled Body Insert Nuts are used in punched or drilled holes. During insertion, the knurled body expands 360° to fill the hole, thus providing torque strength and vibration resistance. A flange forms on the backside, without any need for adjustments even in multiple thicknesses of materials. These Insert Nuts also offer
  • Wedged Heads for greater torque capabilities, especially in soft or thin materials and electrical grounding applications
  • Low Profiles
  • Large Diameter Heads, and
  • Open Ends for versatility
Unit of Measure

Specifications

Thread Size

 N/A 1/2-13

Head Height

 N/A 0.047 in

Head Outside Diameter

 N/A 0.865 in

Hole Diameter

 N/A 0.687 in

Dimension D

 N/A 0.685 in

Body Features

 N/A Knurled

Grip Call Out

 N/A 400

Head

 N/A Large

Thread Call Out

 N/A 813

Grip Range

 N/A 0.28 to 0.4 in

Dimension IL

 N/A 0.86 in

Dimension L

 N/A 1.45 in

End Features

 N/A Open

Industry Standards/Certifications

 N/A Unified National Coarse (UNC)

Material

Material

 N/A
  • Steel - 1010/1008
  • Aluminum - 5056
  • Brass - 270/260
  • Monel - 400

Finish

Finish

 N/A
  • Zinc Trivalent Chromate - ROHS compliant
  • Tin-Zinc Trivalent Chromate - ROHS compliant
  • Zinc/Yellow Dichromate per ASTM-B-633 Type II Fe/Zn (.0003/8u) with Clear Protective Coating
  • Yellow Tin Zinc per BPS-TZ-327 (.0003/8u) with Clear Protective Coating
  • Clear Protective Coating
  • Cadmium per QQP 416 Type I, Class 3 with Clear Protective Coating
  • Tin

Features and Benefits

Features and Benefits

 N/A
  • Maximum Torque Strength for soft or thin materials and electrical grounding applications
  • 360º Hole-Filling for torque strength and resistance to vibration
  • Backside Flange forms during installation even in variable thicknesses of material, without adjustment
  • Superior Thread Strength from internal rolled thread manufacturing process
  • Threads Gauge before & after installation
  • Reduces Inventory Grip range is 2-1/2 times that of standard rivet nuts
  • Corrosion Resistance Tin/Zinc alloy finish
  • Special Installation Tools Available through EFC International, installation can be located at any position on your assembly line, before or after finish.

Note

Note

 N/A Please contact EFC International directly for more information.Note: Grip Range can be affected by parent material density and actual hole size. Therefore, EFC suggests trial installations to determine optimum grip.