Wensilon(20 pcs)1/4"-20 Coupling Nuts zinc, Extended Hexagon Plated Steel Rod Coupling Nuts

NIDAYE 10 Packs 3/8"-16 Rod Coupling Nuts, UNC Threaded Hex Coupling Nut，Length: 1-3/4"

Evecad 10 Packs 5/16''-18 Coarse Coupling Nuts, Hex Coupling Nut, Threaded Rod Connector, Carbon Steel Galvanized

Hard-to-Find Fastener 014973322175 Coupling Nuts, 3/8-24, Piece-5

Bueyfolt Coupling Nuts, 1/2"-13 x 1-3/4", Zinc-Plated Steel Rod Coupling Nuts 1/2 in.-13 TPI, 8-Pack

uxcell M10 x 1.5-Pitch 30mm Length 304 Stainless Steel Metric Hex Coupling Nut, 5-Pack

TOPPROS Pack of 4 M8 X 1.25-Pitch 40 mm Length Metric Hex Coupling Nut 304 Stainless Steel Rod Coupling Nuts

PATIKIL M12 x 1.25-Pitch 304 Stainless Steel Hex Coupling Nuts, 6Pcs 30mm/ 1.2" Length Fully Threaded Rod Coupling Nut Studding Connector Fasteners, Silver Tone

uxcell 10Pcs M5 Round Connector Nuts, 304 Stainless Steel Coupling Nut 25mm/1" Length Sleeve Rod Bar Stud Nut for Bracket, M5x25x8mm

NIDAYE 20 Packs 1/4"-20 Round Rod Coupling Nuts, UNC Threaded Round Connector Nuts，Length: 17.8mm