Skip to content
Contact Us Jewelry School Partners Frequently Asked Questions Submit Tax Exemption
14KY,14KW,18KW & Platinum Push-On Screw-Off Earring Backs - Otto Frei
WR Cobb

Gold Push-On Screw-Off Earring Backs

Part # 21E-350 12 In Stock Weight -- lb / -- g
$37.51
Metal Types: 18K White

These push-on screw-off earring backs offer a secure fastening solution for fine jewelry earrings. Designed to push on easily for convenient wear, they must be screwed off to be removed—providing an added layer of security over standard friction backs. Available in 14K Yellow Gold, 14K White Gold, and 18K White Gold.

These backs work best with threaded ear post 20B-350MAIN but are also compatible with standard threaded ear nuts with a post diameter of 0.86mm (0.034").

Sold by the piece. To purchase a pair, order 2 pieces.

Features

  • Push-on application with screw-off removal for enhanced security
  • Compatible with threaded ear post 20B-350MAIN
  • Works with standard threaded ear nuts at 0.86mm (0.034") post diameter
  • Nut-only style finding
  • Available in 14K Yellow Gold, 14K White Gold, and 18K White Gold
  • Sold individually—order 2 for a pair

Specifications

Style Nut Only
Post Diameter 0.86mm (0.034")
Outside Diameter 6.5mm (0.256")
Sold As By the piece

Available Options

Part # Metal Type
210-350 14K Yellow Gold
211-350 14K White Gold
21E-350 18K White Gold
California Prop 65 Warning California Prop 65 Warning:
Cancer and Reproductive Harm. www.P65warnings.ca.gov.
Brand
WR Cobb
Part #
21E-350
Type
Earrings
Country of Origin
United States
Dimensions
0.15 in x 0.15 in x 0.25 in
Style
Nut Only
Post Diameter
0.86mm (0.034")
Outside Diameter
6.5mm (0.256")
Sold As
By the piece