DISC-LOCK Railcar Fastening System

U.S. Department of Transportation, FRA Letter of Approval
Click here to view Letter of Approval

What are the advantages?
LOWER COSTS
The DISC-LOCK Railcar Fastening System requires fewer laborers to install and reduces man power needs, and:

• Reduces laborer fatigue, which increases laborer efficiency
• Results in faster installation rates which increase over-all efficiency
• Lowers costs through easy visual inspection
• DISC-LOCK Nuts lower costs through reusability with no performance degradation from repeated use

GREATER RELIABILITY

• Provides greater reliability through preset tension
• Does not require tool calibration
• Eliminates operator error
• Has 100% inspection capability
• DISC-LOCK Nuts do not vibrate loose in high vibration areas
• DISC-LOCK Nuts can be removed without burning or cutting 

Technical Specifications

DISC-LOCK Railcar Fastening Systems meet all AISC requirements and specifications of ASTM A325 and A490. DISC-LOCK nuts meet all physical requirements of ASTM A194-2H.

Available in the following diameters and lengths:

1/2”-13UNC X 1-1/4” ( up to and including 1/2”-13UNC X 2-1/4” )

5/8”-11UNC X 1-1/2” ( up to and including 5/8”-11UNC X 3-1/2” )

3/4”-10UNC x 1-3/4” ( up to and including 3/4”-10UNC X 6” )

7/8”-9UNC X 2” ( up to and including 7/8”-9UNC X 8” )

ALSO AVAILABLE IN 1”  &  1-1/8” DIAMETERS ( for more info call DISC-LOCK )