5/16"-18 Tamper Resistant Tri-Groove Nuts | 316 Stainless Steel (100/Pkg.)

Mutual Screw & SupplySKU: SSTRN31C

Price:
Sale price$306.00per 100( $3.06 each)
Pieces 100
Thread size 5/16-18
Material 316 Stainless Steel
Grade 316
Drive Tri-Groove Drive
Weight 2.0 lb

WARNING: This product can expose you to chemicals including lead and lead compounds, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to https://www.P65Warnings.ca.gov.

Description

Industrial-grade security fasteners designed for harsh environments, the 5/16-18 Tamper Resistant Tri-Groove Nut delivers secure, tool-controlled retention across critical assemblies. Engineered to resist tampering and corrosion, it suits process plants, marine equipment, and outdoor equipment enclosures.

Specs

  • Drive type: Tri-Groove security drive
  • Material: 316 Stainless Steel
  • Thread type: 5/16-18 UNC

Features

  • Tamper resistance: Tri-Groove profile requires a matching security driver, reducing unauthorized removal of fasteners in exposed assemblies.
  • Corrosion resistance: 316 Stainless Steel provides superior resistance to chlorides and marine environments, extending service life in outdoor and chemical settings.
  • Torque transfer & reliability: Tri-Groove design enables secure torque transfer with appropriate tool, minimizing cam-out and installation variability.
  • Use cases: Ideal for outdoor equipment housings, marine machinery, process plant enclosures, and other industrial panels requiring secure, tamper-resistant fastening.
  • Packaging quantity: 100 pieces per package

Can We Help?

If you’re not sure that this product is right for you, give us a call!
800-222-0324

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