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 Fasteners Hitch & Coupling Springs Suspension Steering 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