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Disc-Lock® Two-Piece Wedge Locking Nuts

 
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The Disc-Lock® Two Piece Locking Nut consists of two components each with interlocking cams that are joined together to form a one piece assembly.

The top component is a threaded hexagon nut with cams on the underside and a pilot that retains the washer. The bottom component is a hex flange washer with cams on the top and a smooth bearing surface.

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
Additional Information
Disc-Lock Wedge Locking Nuts are manufactured in Two and Three-Piece Designs (Safety Wheel Nut).

When the assembly is subjected to vibration and shock, the interlocking cams of the Disc-Lock Locking Nut attempt to rise against each other.

Because the angle of the cam is greater than the pitch angle of the thread on the stud, a wedging action takes place and the Disc-Lock™ Locking Nut locks and will not come loose, maintaining the clamp load and protecting the joint.

Note
The angle of the cam (DL) is greater than the pitch angle of the thread on the stud (T).




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·  Dimensions of Disc-Lock™ Wedge Locking Nuts

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Item #

Item Name

Thread Size (A)
LN-3/8-16M Disc-Lock™ 3/8 Inch (in) Thread Size (A) Two Piece Wedge Locking Nut N/A
LN-3/8-24M Disc-Lock™ 3/8 Inch (in) Thread Size (A) Two Piece Wedge Locking Nut N/A
LN-7/16-20M Disc-Lock™ 7/16 Inch (in) Thread Size (A) Two Piece Wedge Locking Nut N/A
LN-1/2-13M Disc-Lock™ 1/2 Inch (in) Thread Size (A) Two Piece Wedge Locking Nut N/A
LN-1/2-20M Disc-Lock™ 1/2 Inch (in) Thread Size (A) Two Piece Wedge Locking Nut N/A
LN-9/16-18M Disc-Lock™ 9/16 Inch (in) Thread Size (A) Two Piece Wedge Locking Nut N/A
LN-5/8-11M Disc-Lock™ 5/8 Inch (in) Thread Size (A) Two Piece Wedge Locking Nut N/A
LN-5/8-18M Disc-Lock™ 5/8 Inch (in) Thread Size (A) Two Piece Wedge Locking Nut N/A
LN-M10x1.5M Disc-Lock™ M10 Thread Size (A) Two Piece Wedge Locking Nut M10
LN-M12x1.75M Disc-Lock™ M12 Thread Size (A) Two Piece Wedge Locking Nut M12
LN-M14-1.5M Disc-Lock™ M14 Thread Size (A) Two Piece Wedge Locking Nut M14
LN-M16-2.0M Disc-Lock™ M16 Thread Size (A) Two Piece Wedge Locking Nut M16
LN-M16x1.5M Disc-Lock™ M16 Thread Size (A) Two Piece Wedge Locking Nut M16
LN-M18x1.5G Disc-Lock™ M18 Thread Size (A) Three Piece Wedge Locking Nut M18
LN-M20x1.5G Disc-Lock™ M20 Thread Size (A) Three Piece Wedge Locking Nut M20
LN-M20x2.5G Disc-Lock™ M20 Thread Size (A) Three Piece Wedge Locking Nut M20
LN-3/4-16G Disc-Lock™ 3/4 Inch (in) Thread Size (A) Three Piece Wedge Locking Nut N/A
LN-7/8-14G Disc-Lock™ 7/8 Inch (in) Thread Size (A) Three Piece Wedge Locking Nut N/A
  Results 1 - 18 of 18 1