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Disc-Lock™ Heavy Hex Nuts

 
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The Disc-Lock™ Heavy Hex Nut uses the same patented technology as our two and three piece locking nuts. When the assembly is subjected to vibration and/or shock, the interlocking cams attempt to rise against each other. Since the cam rise angles are greater than the pitch angle of the threads, the assembly locks and maintains the clamp load of the bolted connection, thereby maintaining joint integrity.

Features & Benefits
  • Patented Heavy-duty, self-locking designs
  • Can be used with bolts up to Class 10.9, Grade 8
  • One piece assembly
  • No washer required
  • 2 piece nuts coated in RoHS-compliant Magni® 565, 3 piece nuts coated in Geomet 321 (Other coatings available by special order)
  • Easy to install with standard tools
  • Easy to remove
  • Custom sizes available
  • No re-tightening needed once installed
  • Vibration proof according to MIL-STD-1312-7
Proven Applications
Disc-Lock™ Locking Nuts outperform standard nuts in a wide range of high stress, corrosive, and vibration-sensitive applications including:
  • Agriculture Equipment
  • Automotive
  • Construction Equipment
  • Heavy Rail
  • Logging Equipment
  • Marine
  • Military
  • Mining
  • Oil Drilling Equipment
  • Solar
  • Wind
  • Waste Management
Installation & Removal
The Disc-Lock™ Safety Wheel Nut is easy to install and remove. It is installed in exactly the same way as a standard wheel nut. Place the socket over the hexagon nut and hexagon flanged washer and tighten or loosen.




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Item #

Item Name

Thread Size

Thread Type

Box Quantity
HHN-1/2-13PO Disc-Lock™ 1/2 in. - 13 Thread Size Heavy Hex Nut 1/2-13 Unified Coarse (UNC) 550
HHN-1/2-13G Disc-Lock™ 1/2 in. - 13 Thread Size Heavy Hex Nut 1/2-13 Unified Coarse (UNC) 550
HHN-5/8-11PO Disc-Lock™ 5/8 in. - 11 Thread Size Heavy Hex Nut 5/8-11 Unified Coarse (UNC) 370
HHN-5/8-11G Disc-Lock™ 5/8 in. - 11 Thread Size Heavy Hex Nut 5/8-11 Unified Coarse (UNC) 370
HHN-3/4-10PO Disc-Lock™ 3/4 in. - 10 Thread Size Heavy Hex Nut 3/4-10 Unified Coarse (UNC) 140
HHN-7/8-9PO Disc-Lock™ 7/8 in. - 9 Thread Size Heavy Hex Nut 7/8-9 Unified Coarse (UNC) 100
  Results 1 - 6 of 6 1