Tri-Groove Security Screw & Nut Socket Driver

Tamper Resistant Tri-Groove Socket

Tamper Proof Security Nut and Screw Sockets


A Tri-groove socket is a quick and efficient way to install tri-groove nuts

  • Tri Groove security nuts installed with this special tri groove socket
  • Security Socket with three teeth
  • Grips indents on a Tri Groove nut
  • Made of alloy steel

Size Compatible Sizes Square Drive Size
#4 Screws: (#4)
1/4"
(Not Compatible with Tri Groove Handle)
#6 Screws: (#6, #8)
1/4"
(Not Compatible with Tri Groove Handle)
#10 Screws: (#10, #12, #14 / 1/4")
1/4"
(Not Compatible with Tri Groove Handle)
#20 Nuts: (#10, 1/4")
Screws: (5/16", 3/8")
3/8"
#30 Nuts: (5/16", 3/8", M8) 3/8"
#40 Nuts: (1/2", 5/8", M10) 3/8"
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