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    1. eBay
    2. Business & Industrial
    3. Fasteners & Hardware
    4. Fastener Nuts
    5. Hex Nuts
    6. Coupling Nut
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    Coupling Nut

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    List View

    1-48 of 3,249 Results

    • Coupling Nut Stainless Steel Threaded Rod Extension All Size and Quantities

      Coupling Nut Stainless Steel Threaded Rod Extension All Size and Quantities

      C $15.60 to C $5,477.61
      Was: C $24.20
      C $17.80 shipping
    • Hex Coupling Nuts DIN 6334 Zinc Plated Class 6 Steel CR+3, Metric M6 M8 M10 M12

      Hex Coupling Nuts DIN 6334 Zinc Plated Class 6 Steel CR+3, Metric M6 M8 M10 M12

      C $6.24 to C $52.62
      Was: C $8.97
      C $15.63 shipping
      70 sold
    • 4 Pack 5/16-24 X 7/8" Long Fine Thread Hex Coupling Nut with Zinc Plate

      4 Pack 5/16-24 X 7/8" Long Fine Thread Hex Coupling Nut with Zinc Plate

      C $6.37
      C $15.63 shipping
      224 sold
    • 3/4-6 acme coupling nuts steel 1" hex x 2.25 long right hand

      3/4-6 acme coupling nuts steel 1" hex x 2.25 long right hand

      C $16.52
      C $30.20 shipping
      248 sold
    • 5/8-8 acme coupling nuts steel 7/8 hex x 2.125 long right hand

      5/8-8 acme coupling nuts steel 7/8 hex x 2.125 long right hand

      C $12.70
      C $30.10 shipping
      192 sold
    • Steel Coupling Nut, Coarse Thread, 3/8-In. -16

      Steel Coupling Nut, Coarse Thread, 3/8-In. -16

      C $6.57
      C $2.55 shipping
    • Qty 1 Hex Rod Coupling Nut M5 (5mm) 316 Marine Stainless Steel Coupler Connector

      Qty 1 Hex Rod Coupling Nut M5 (5mm) 316 Marine Stainless Steel Coupler Connector

      C $6.68
      C $26.04 shipping
      102 sold
    • (20) Hex Coupling Nuts 3/4-10 x 1 x 2-1/4 Threaded Rod Connector Zinc

      (20) Hex Coupling Nuts 3/4-10 x 1 x 2-1/4 Threaded Rod Connector Zinc

      C $39.54
      C $20.80 shipping
      70 sold
    • Round Rod Coupling Nut Long Cylinder Nuts Bar M3 M4 M5 M6 M8 A2 Stainless Steel

      Round Rod Coupling Nut Long Cylinder Nuts Bar M3 M4 M5 M6 M8 A2 Stainless Steel

      C $1.72 to C $137.17
      C $3.83 shipping
    • Coupling Nuts Hot Dip Galvanized Rod Coupling Hex Long Nuts 1/4"-20 through 1"-8

      Coupling Nuts Hot Dip Galvanized Rod Coupling Hex Long Nuts 1/4"-20 through 1"-8

      C $16.57 to C $147.99
      C $18.90 shipping
    • Steel Coupling Nut, Coarse Thread, Zinc-Plated, 3/4-In. -10

      Steel Coupling Nut, Coarse Thread, Zinc-Plated, 3/4-In. -10

      C $9.47
      C $2.55 shipping
    • M3 M4 M5 Long Round Coupling Nut Bar Stud Connector Rod 304 Stainless Steel

      M3 M4 M5 Long Round Coupling Nut Bar Stud Connector Rod 304 Stainless Steel

      C $1.80 to C $172.50
      C $3.83 shipping
    • 5/16-24 Rod Coupling Nuts Hex Extension Stainless Steel Qty 10

      5/16-24 Rod Coupling Nuts Hex Extension Stainless Steel Qty 10

      C $29.52
      Was: C $42.64
      C $17.80 shipping
      80 sold
    • 1"-5 acme coupling nut steel 1 3/8" hex x 2.75 long right hand

      1"-5 acme coupling nut steel 1 3/8" hex x 2.75 long right hand

      C $25.20
      C $30.40 shipping
      Only 2 left
    • Coupling Nuts 3/8"-16 × 1-1/8" (3) New/Sealed Crown Bolt 2 Nut Packs 6 Total

      Coupling Nuts 3/8"-16 × 1-1/8" (3) New/Sealed Crown Bolt 2 Nut Packs 6 Total

      C $11.42
      C $12.76 shipping
    • M3-M14 304 Stainless Steel Round Coupling Connector Nuts Threaded Insert Joint

      M3-M14 304 Stainless Steel Round Coupling Connector Nuts Threaded Insert Joint

      C $10.26 to C $22.42
      C $7.66 shipping
      12 watching
    • Zinc Plated - Coupling Nuts Female Hex/Round Thread Adapters M6 M8 M10 M12 M16

      Zinc Plated - Coupling Nuts Female Hex/Round Thread Adapters M6 M8 M10 M12 M16

      C $1.54 to C $6.23
      C $3.83 shipping
    • 250 Hex Rod Couplings 1/4-20 Threaded Rod Connectors Zinc

      250 Hex Rod Couplings 1/4-20 Threaded Rod Connectors Zinc

      C $39.63
      C $18.78 shipping
    • M6 Female Thread Straight Hex Rod Coupling Connector Nuts 10 Pcs

      M6 Female Thread Straight Hex Rod Coupling Connector Nuts 10 Pcs

      C $11.69
      C $7.66 shipping
    • 2Pcs M5 x 0.8(pitch) x 20mm Long Rod Coupling Hex Nut Right hand Thread [SN-T]

      2Pcs M5 x 0.8(pitch) x 20mm Long Rod Coupling Hex Nut Right hand Thread [SN-T]

      C $4.54
      C $7.64 shipping
    • 5PCS M6 M8 M10 M12  Hex/Round Nuts Metric Rod Coupling Nuts Steel Connector Nuts

      5PCS M6 M8 M10 M12 Hex/Round Nuts Metric Rod Coupling Nuts Steel Connector Nuts

      C $1.26 to C $4.03
      C $1.01 shipping
    • Qty 2 Hex Rod Coupling Nut M5 (5mm) 316 Marine Stainless Steel Coupler Connector

      Qty 2 Hex Rod Coupling Nut M5 (5mm) 316 Marine Stainless Steel Coupler Connector

      C $12.97
      C $26.04 shipping
    • M5x0.8mm 304 Stainless Steel Metric Threaded Round Coupling Connector Nuts 20pcs

      M5x0.8mm 304 Stainless Steel Metric Threaded Round Coupling Connector Nuts 20pcs

      C $19.98
      C $7.66 shipping
      13 watching
    • 12 Pack 5/8-11 to 1/2-13 x 1 1/4" Long Reducer Coupling Nut - Zinc Plate 509911

      12 Pack 5/8-11 to 1/2-13 x 1 1/4" Long Reducer Coupling Nut - Zinc Plate 509911

      C $30.39
      C $26.47 shipping
    • 3 Pack 3/4-10, 2-1/4" Long Hex Coupling Nut with Zinc Plate NCUP012C000STLZN

      3 Pack 3/4-10, 2-1/4" Long Hex Coupling Nut with Zinc Plate NCUP012C000STLZN

      C $13.38
      C $26.47 shipping
    • Threaded Rod Coupling Nut RoundHex Carbon Steel Zinc Plated For Allthread Bar

      Threaded Rod Coupling Nut RoundHex Carbon Steel Zinc Plated For Allthread Bar

      C $1.59 to C $203.88
      C $3.83 shipping
    • Corrosion Resistance Threaded Rod Coupler Hex Coupling Nut 12mm Zinc Plated For

      Corrosion Resistance Threaded Rod Coupler Hex Coupling Nut 12mm Zinc Plated For

      C $10.23
      C $0.63 shipping
    • Ballcock Coupling Nut

      Ballcock Coupling Nut

      C $9.98
      C $9.91 shipping
    • 10X Hillman 3/8"-16 Steel Coupling Nut Coarse Threaded Zinc Plated #40139 5-2pk

      10X Hillman 3/8"-16 Steel Coupling Nut Coarse Threaded Zinc Plated #40139 5-2pk

      C $21.63
      C $23.43 shipping
    • (10) Hex Coupling Nuts 1-8 x 1-1/4x 2-1/2 Threaded Rod Connector Zinc 1"

      (10) Hex Coupling Nuts 1-8 x 1-1/4x 2-1/2 Threaded Rod Connector Zinc 1"

      C $38.21
      or Best Offer
    • (100) Hex Coupling Nuts 3/8-16 x 5/8 x 1-1/8 Threaded Rod Connector Zinc

      (100) Hex Coupling Nuts 3/8-16 x 5/8 x 1-1/8 Threaded Rod Connector Zinc

      C $44.64
      C $20.89 shipping
      46 sold
    • (20) Hex Coupling Nuts 1/2-13 x 11/16 x 1-3/4 Threaded Rod Connector Zinc

      (20) Hex Coupling Nuts 1/2-13 x 11/16 x 1-3/4 Threaded Rod Connector Zinc

      C $22.95
      C $25.48 shipping
    • (50) Hex Coupling Nuts 1/2-13 x 11/16 x 1-3/4 Threaded Rod Connector Zinc

      (50) Hex Coupling Nuts 1/2-13 x 11/16 x 1-3/4 Threaded Rod Connector Zinc

      C $38.26
      C $25.85 shipping
      136 sold
    • 1/2-13 COUPLING NUT----10 PEICES

      1/2-13 COUPLING NUT----10 PEICES

      C $31.71
      C $33.17 shipping
    • ROUND M3-5 M6 M8 M10 M12 M14 M16 304 SS Thicken Rod Connection Nut Coupling nuts

      ROUND M3-5 M6 M8 M10 M12 M14 M16 304 SS Thicken Rod Connection Nut Coupling nuts

      C $2.41 to C $67.87
      Was: C $3.32
      C $3.83 shipping
    • M5-M10 Metric Long Rod 304 Stainless Steel Hex Coupling Nut Connector, 4-Pack

      M5-M10 Metric Long Rod 304 Stainless Steel Hex Coupling Nut Connector, 4-Pack

      C $10.64 to C $19.76
      C $7.66 shipping
    • (Qty 100) 3/8"-16 x W9/16" x L 1 3/4" Coarse Grade A Hex Rod Coupling Nut Zinc

      (Qty 100) 3/8"-16 x W9/16" x L 1 3/4" Coarse Grade A Hex Rod Coupling Nut Zinc

      C $36.99
      C $21.15 shipping
      60 sold
    • HEXAGON ROD COUPLING NUT, STEEL, ZINC-PLATED, 1/2"-13 THREAD, 1-3/4" LENGTH

      HEXAGON ROD COUPLING NUT, STEEL, ZINC-PLATED, 1/2"-13 THREAD, 1-3/4" LENGTH

      C $8.87
      C $24.52 shipping
      or Best Offer
    • (Qty 25) 1/2"-13 x W5/8" x L 1 1/4" Coarse Grade A Hex Rod Coupling Nut Zinc

      (Qty 25) 1/2"-13 x W5/8" x L 1 1/4" Coarse Grade A Hex Rod Coupling Nut Zinc

      C $20.40
      C $20.76 shipping
      75 sold
    • 3/4-6 acme coupling nuts 4-pack steel 1" hex x 2.25 long right hand

      3/4-6 acme coupling nuts 4-pack steel 1" hex x 2.25 long right hand

      C $52.25
      C $26.83 shipping
      102 sold
    • (250) Hex Coupling Nuts 1/4-20 x 3/8 x 7/8 Threaded Rod Connector Zinc

      (250) Hex Coupling Nuts 1/4-20 x 3/8 x 7/8 Threaded Rod Connector Zinc

      C $38.26
      C $21.19 shipping
      307 sold
    • Coupling Nut3/8-16X1.75 Pack Of 25

      Coupling Nut3/8-16X1.75 Pack Of 25

      C $47.30
      Was: C $48.75
      C $18.92 shipping
    • 3/8-16 Rod Coupling Nut, 1-1/8" long x1/2" wide(10 Pieces)(Stainless Steel 18-8)

      3/8-16 Rod Coupling Nut, 1-1/8" long x1/2" wide(10 Pieces)(Stainless Steel 18-8)

      C $29.33
    • Qty 1 Hex Rod Coupling Nut M6 (6mm) 316 Marine Stainless Steel Coupler Connector

      Qty 1 Hex Rod Coupling Nut M6 (6mm) 316 Marine Stainless Steel Coupler Connector

      C $6.68
      C $24.08 shipping
      55 sold
    • 25X Hillman 1/2"-13 Steel Coupling Nut Coarse Threaded Zinc Plated Box of 25

      25X Hillman 1/2"-13 Steel Coupling Nut Coarse Threaded Zinc Plated Box of 25

      C $30.62
      C $25.66 shipping
      3 watching
    • TE-CO 41502 Coupling Nut,5/16-18,Gr 5,ST,Black Oxide

      TE-CO 41502 Coupling Nut,5/16-18,Gr 5,ST,Black Oxide

      C $3.81
      C $20.15 shipping
    • GRAINGER APPROVED 205427BG Coupling Nut,3/8-16,Gr 2H,Steel,Plain

      GRAINGER APPROVED 205427BG Coupling Nut,3/8-16,Gr 2H,Steel,Plain

      C $49.99
      C $26.22 shipping
    • Long Reducer Nuts Zinc Plated Steel Rod Extension Hex Coupling Nuts - All Sizes

      Long Reducer Nuts Zinc Plated Steel Rod Extension Hex Coupling Nuts - All Sizes

      C $19.64 to C $527.98
      C $20.89 shipping

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