NORD-LOCKŪ washers from Maryland Metrics are available
in assortment packages.

The NORD-LOCKŪ pairs of lock washers are a
purely mechanical machine element that locks the screwed connection
by application of preload-force instead of friction.

How to order: Please preface each NORD-LOCK part number with 'R842-'
Example: R842-A-70 M

Kit # A-70 Carbon Steel or Stainless
UNC (inch)   Metric  
Size Product   Size Product Pairs per
Inch Description   Metric Description kit
1/4" NL 1/4   M6 NL6 25
5/16" NL 8   M8 NL8 20
3/8" NL 3/8   M10 NL10 10
3/8" NL 3/8 sp   M10 NL 10 sp 5
7/16" NL 11   M11 NL 11 5
1/2" NL 1/2   M12 NL12 5
        Total pairs 70
           
Carbon Steel     Carbon Steel   Kit Price
Inch kit # A-70   Metric kit # A-70 M $38.95
           
Stainless Steel     Stainless Steel   Kit Price
Inch kit # A-70 ss   Metric kit # A-70M ss $119.95
           
           
Kit # A-150 Carbon Steel or Stainless
UNC (inch)   Metric  
Size Product   Size Product Pairs per
Inch Description   Metric Description kit
1/4" NL 1/4   M6 NL6 50
5/16" NL8   M8 NL 8 40
3/8" NL 3/8   M10 NL10 25
1/2" NL 1/2   M12 NL12 20
5/8" NL16   M16 NL16 15
        Total pairs 150
           
Carbon Steel     Carbon Steel   Kit Price
Inch kit # A-150   Metric kit # A-150 M $89.95
           
Stainless Steel     Stainless Steel   Kit Price
Inch kit # A-150 SS   Metric kit # A-150 M SS $279.95
           
           
Kit # A-610 Carbon Steel or Stainless
UNC (inch)   Metric  
Size Product   Size Product Pairs per
Inch Description   Metric Description kit
#10 NL5   M5 NL5 50
1/4" NL 1/4   M6 NL6 100
5/16" NL8   M8 NL8 100
3/8" NL 3/8   M10 NL10 100
7/16" NL11   M11 NL 11 50
1/2" NL 1/2   M12 NL12 100
9/16" NL14   M14 NL14 25
5/8" NL16   M16 NL16 25
3/4" NL 3/4   M20 NL20 20
7/8" NL22   M22 NBL 22 20
1" NL 1   M24 NL24 20
        Total pairs 610
           
Carbon Steel     Carbon Steel   Kit Price
Inch kit # A-610   Metric kit # A-610 M $485.95
           
Stainless Steel     Stainless Steel   Kit Price
Inch kit # A-610 SS   Metric kit # A-610 M SS $1,599.99
Note: Some NORD-LOCK washer sizes will fit both metric & inch sized bolts.

How to order: Please preface each NORD-LOCK part number with 'R842-'
Example: R842-A-70 M

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Phones: (800) 638-1830 or (410) 358-3130 are available Monday-Friday 8:30 AM to 5:30 PM Eastern time.
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