Metric Jam Nuts

A six-sided internally threaded fastener which is only 2/3 the thickness of a full form nut.


Jam nuts are tightened against the work surface and finished or heavy hex nuts is tightened against the jam nut to keep it from loosening.

Clearance pricing is limited to current inventory in-stock. No backorders will be accepted at clearance price. Call 1-866-501-9504 or Contact Us for a quote.

M20X2.5 Jam Nut Steel 4 Zinc DIN439BSKU: # M50127Quantity Available: 84
$0.06 $0.76
M18X2.5 Jam Nut Steel 4 Zinc DIN439BSKU: # M50125Quantity Available: 91
$0.52 $0.62
M4X.7 Jam Nut Steel 8 Yellow Zinc DIN439BSKU: # M50111Quantity Available: 594