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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Push-ons also known as shaft retainers, are self-threading and self-locking fasteners with inner teeth that slide over a non-threaded stud to secure two panels together. They greatly reduce installation costs and problems associated with cross-threading. Push-ons have prevailing torques that provide excellent resistance to vibration, and can simplify your designs. Available in standard and metric sizes with 6 to 8 inner teeth plus a variety of materials and finishes, these Push-ons can accommodate larger studs and reduce insertion efforts.
Unit of Measure

Specifications

Finish

 N/A Mechanical Zinc Plain

Material Thickness (Decimal)

 N/A 0.017 in

Part Diameter

 N/A 0.531 in

Stud Diameter

 N/A 0.247 in0.253 in

Stud Size

 N/A 1/4 in

Number of Prongs

 N/A 8

Features and Benefits

Features and Benefits

 N/A
  • Reduces Cost - Eliminates secondary operations like notching, threading and drilling
  • Fast Assembly - Simply push on to apply
  • Knock-Down - Products are applicable
  • Maximum Holding Power - Eliminates warranty issues caused by vibration loosening
  • No Tools Required
  • One-part, Low-Profile Design - Reduces inventory, Easily fits small mechanical and electrical applications
Push-ons require shaft hardness maximum of 30T-78. Shaft materials must be appreciably softer than the retainers. For best results, shaft should have lead-in chamfer. Please consult with an EFC representative for details.