U-Bolts SIZE: Thread Dia. : M6; Fit Square Rod Size: 20mm / 0.79"; Rod Diameter: 5mm / 0.2"; Total Length: 50mm / 2"；Hex Nut: 10 x 5mm / 0.39" x 0.2"(Hex Width*H); Frame Plate: 50 x 18 x 2mm / 1.97" x 0.7" x 0.08"(L*W*T); Washer ID: 9mm / 0.35" Square U-Bolts Material: Made of Carbon Steel, strong and durable, have great performance in rust resistance, moisture resistance, and corrosion resistance Feature: The surface without burr and thread good grip, u clamp still perform well in rainy and humid seaside environment Application: Square U-Bolt Used on fix or connect the locked parts to rectangular wood and metal objects, such as cars, RVs, sailboat trailers, pipe, tube, plumbing and other Industrial Applications Package Content: 16 x U-Bolt, 32 x Nuts, 32 x Round Washers, 16 x Plates ZUQIAN 16 Pack Square U-Bolts Suitable for boats, plumbing, and other home and industrial applications

Features
Carbon Steel Material, strong and durable, rust resistance, moisture resistance, and corrosion resistance.
Designed for fastening products to pipe, wood, etc
Suitable for automotive, plumbing and other home and industrial applications

Specification:
Material: Carbon Steel
Thread Dia. : M6
Square Rod Size: 20mm / 0.79"
Rod Diameter: 5mm / 0.2"
Total Length: 50mm / 2"
Washer ID: 9mm / 0.35"
Hex Nut: 21mm / 0.8" (Hex Width)
Frame Plate: 50 x 18 x 2mm / 1.97" x 0.7" x 0.08"(L*W*T)

U-Bolts SIZE: Thread Dia. : M6; Fit Square Rod Size: 20mm / 0.79"; Rod Diameter: 5mm / 0.2"; Total Length: 50mm / 2"；Hex Nut: 10 x 5mm / 0.39" x 0.2"(Hex Width*H); Frame Plate: 50 x 18 x 2mm / 1.97" x 0.7" x 0.08"(L*W*T); Washer ID: 9mm / 0.35" Package include:
16 x Square U-Bolts

32 x Round Washers 32 x Nuts