Lug Nut Indicators

Know Before You Roll

Loose lug nuts cause wheel-offs. Torque-Tight lug nut indicators give drivers and fleet managers a real-time visual alert the moment a nut begins to back off — before it becomes a roadside emergency, an out-of-service violation, or a liability event. Made in the USA, tested to ASTM G154-23, and engineered to stay in place where competitors fail.

Made in USA · ASTM G154-23 UV Tested · Won't Curl · Won't Fall Off

Find Your Lug Nut Indicator Size

Measure flat-to-flat across your lug nut to find the correct indicator size. Most Class 8 semi trucks run 33mm. If you're unsure, see our How To Measure guide.

• 13/16" Lug Nut Indicators — Light utility trailers, towable equipment, older 1/2"-stud applications
• 21mm Lug Nut Indicators — Ford F-450/F-550, Ford Transit SRW, Ram ProMaster, Mercedes Sprinter, Isuzu NPR/NQR (2010+), Hino 155/195
• 22mm (7/8") Lug Nut Indicators — GMC Sierra/Chevy Silverado 1500–3500, Chevy Express/GMC Savana, Ram 1500–3500, Ford F-250/350 alloy wheels, Ford F-650/750
• 27mm Lug Nut Indicators — Dexter 10,000 lb trailer axles, some medium-duty applications
• 32mm Lug Nut Indicators — European coach and transit buses (Setra, MAN, Mercedes Citaro), airport ground support equipment
• 33mm (1-5/16") Lug Nut Indicators — Most Class 8 semi trucks: Freightliner Cascadia, Kenworth, Peterbilt, Volvo, Mack, International, Western Star; transit buses; school buses; most commercial trailers
• 38mm (1-1/2") Lug Nut Indicators — Older Budd/stud-piloted vocational wheels, Dexter 16k air-brake axles, legacy inner/outer Budd cap nuts

Why Fleet Safety Managers Choose Torque-Tight

Won't fall off during operation. Torque-Tight's engineered retention cross-section grips the lug nut and stays in place under highway vibration and thermal cycling — unlike competitors whose indicators pop off within miles and provide no protection.

Won't curl or deform. Consistent cross-section geometry across every indicator ensures reliable visual alignment. Curled or deformed indicators produce false readings and missed detections. Torque-Tight indicators maintain their shape across the product's service life.

UV-tested to ASTM G154-23. Independent laboratory testing confirms color retention and structural integrity under prolonged ultraviolet exposure. Engineered for commercial vehicles that operate outdoors year-round in all climates.

Fleet and Bulk Lug Nut Indicator Orders

Torque-Tight lug nut indicators are available in 10-pack, 100-pack, 1,000-pack, and 4,000-pack configurations for fleet and bulk procurement. All orders ship from the USA. For fleet safety programs, volume quotes, or procurement inquiries, contact our sales team directly.

Fleet pricing and bulk quotes: sales@torque-tight.com