Hex Coupling Nuts

  • Low carbon steel (1008) for sizes up to 1 inch – C1045 for size greater than 1 inch
  • Hardness HRB 68 – HRC 32
  • Proof load strength: 90,000 PSI minimum

Hex Coupling Nuts

Literature
  • Hex Coupling Nuts
  • Hex Coupling Nuts
  • Hex Coupling Nuts

SKU Size Width Across Flats Basic (A) Width Across Flats Min (A) Width Across Flats Max (A) Width Across Corners Min (B) Width Across Corners Max (B) Length Basic (L) Length Min (L) Length Max (L) Pieces/Box
Regular Zinc Plated ASTM F1941 FeZn3A
RCOUPLZ14 1/4 in. -20 7/16 in. 0.428 in. 0.438 in. 0.488 in. 0.505 in. 7/8 in. 0.843 in. 0.906 in. 1,000
RCOUPLZ38 3/8 in. -16 9/16 in. 0.551 in. 0.562 in. 0.628 in. 0.650 in. 1-3/4 in. 1.718 in. 1.781 in. 500
RCOUPLZ12 1/2 in. -13 11/16 in. 0.675 in. 0.688 in. 0.769 in. 0.794 in. 1-3/4 in. 1.718 in. 1.781 in. 400
RCOUPLZ58 5/8 in. -11 13/16 in. 0.798 in. 0.812 in. 0.910 in. 0.938 in. 2-1/8 in. 2.093 in. 2.156 in. 250
RCOUPLZ34 3/4 in. -10 1 in. 0.982 in. 1.018 in. 1.119 in. 1.175 in. 2-1/4 in. 2.218 in. 2.281 in. 150
RCOUPLZ78 7/8 in. -9 1-1/4 in. 1.206 in. 1.250 in. 1.375 in. 1.443 in. 2-1/4 in. 2.468 in. 2.531 in. 75
RCOUPLZ1 1 in. -8 1-1/4 in. 1.206 in. 1.250 in. 1.375 in. 1.443 in. 2-1/2 in. 2.468 in. 2.531 in. 75
RCOUPLZ118 1-1/8 in. -7 1-1/2 in. 1.450 in. 1.500 in. 1.653 in. 1.732 in. 3 in. 2.968 in. 3.031 in. 50
Economy Zinc Plated ASTM F1941 FeZn3A
ECOUPLZ14 1/4 in. -20 3/8 in. 0.365 in. 0.375 in. 0.416 in. 0.433 in. 7/8 in. 0.843 in. 0.906 in. 2,500
ECOUPLZ38 3/8 in. -16 5/8 in. 0.614 in. 0.625 in. 0.700 in. 0.725 in. 1-1/8 in. 1.093 in. 1.156 in. 1,250
ECOUPLZ12 1/2 in. -13 5/8 in. 0.614 in. 0.625 in. 0.700 in. 0.725 in. 1-1/4 in. 1.718 in. 1.781 in. 625
SKU Size Width Across Flats Basic (A) Width Across Flats Min (A) Width Across Flats Max (A) Width Across Corners Min (B) Width Across Corners Max (B) Length Basic (L) Length Min (L) Length Max (L) Pieces/Box
Economy Zinc Plated ASTM F1941 FeZn3A
ECOUPLZ14 1/4 in. -20 3/8 in. 0.365 in. 0.375 in. 0.416 in. 0.433 in. 7/8 in. 0.843 in. 0.906 in. 2,500
ECOUPLZ38 3/8 in. -16 5/8 in. 0.614 in. 0.625 in. 0.700 in. 0.725 in. 1-1/8 in. 1.093 in. 1.156 in. 1,250
ECOUPLZ12 1/2 in. -13 5/8 in. 0.614 in. 0.625 in. 0.700 in. 0.725 in. 1-1/4 in. 1.718 in. 1.781 in. 625
Economy Zinc Plated ASTM F1941 FeZn3A
ECOUPLZ14 1/4 in. -20 3/8 in. 0.365 in. 0.375 in. 0.416 in. 0.433 in. 7/8 in. 0.843 in. 0.906 in. 2,500
ECOUPLZ38 3/8 in. -16 5/8 in. 0.614 in. 0.625 in. 0.700 in. 0.725 in. 1-1/8 in. 1.093 in. 1.156 in. 1,250
ECOUPLZ12 1/2 in. -13 5/8 in. 0.614 in. 0.625 in. 0.700 in. 0.725 in. 1-1/4 in. 1.718 in. 1.781 in. 625
Grip-Rite's color-coded packaging and point-of-purchase materials help you to select the optimal fastener for your project:
Blue - Roofing & Siding Gold - PrimeGuard Plus® Gray - PrimeGuard™
Green - Outdoor Construction Orange - Drywall – Orange Purple - Specialty Screws
Red - Drywall – Red Silver - PrimeGuard MAX® Stainless Steel Yellow - General Construction