1-5/16-12 STUDS AND NUTS Search ☰ HOME About Us Line Sheet Contact Us U-Bolt Order Form Blog My Account HOME About Us Line Sheet Contact Us U-Bolt Order Form Blog My Account CATEGORYBrake & Wheel Clutches Cooling Driveline Engine Exhaust Hitch and Coupling Springs Steering Suspension Vehicle Accessories Transmission Trailer Vehicle Accessories MANUFACTURERAutomann Contitech Dayton Parts EZ Ride Firestone Fontaine Goodyear Hendrickson Holland Jost Neway Ridewell Roadactive Suspension Simplex Timbren Timken Triseal Wallace Forge 1-5/16-12 STUDS AND NUTS 1-5/16"-12 - Outer Nuts - Type 1 Part #GradeThread SizeInner ThreadOuter ThreadHex SizeMin. Inner DepthHeightApplicationFlange Dia. 13-3017L81.31-121.751.37Steel Wheels 13-3017R81.31-121.751.37Steel Wheels