Brass Jam Nuts Lock Nuts 936

Brass Jam Nuts Lock Nuts 936

A jam nut is often used when a nut needs to be locked in place without clamping against another object. The jam nut essentially acts as the "other object", as the two nuts are tightened against each other. They can also be used to secure an item on a fastener without applying force to that object.



Lock nuts are fasteners which are threaded internally and possesses capabilities to lock either by itself or in with the usage of another component. Lock nuts are designed to engineer resistance to loosening while subjected to vibration or torque.

Jam Nuts are usually half the height of a standard hex nut. Jam Nuts can function as a lock nut assembly when jammed up against another nut to lock the two in place.

Commonly used with threaded rod and in light duty situations where vibration must be prevented from loosening a bolted joint.

It is also known as thin lock nut or low profile hex nut, non-locking six-sided nut for general use.


Brass Jam Nuts Lock Nuts



Jam Nuts to DIN 936
class 6
Coarse/Fine Thread CON30-BRASS




S = Normally Stocked Item *= Contact For Availability

Coarse Thread Used For
d s e m CON 30 Order #
M3 - - -
M4 - - - s CON30-004-OOOO
M5 - - - s CON30-005-OOOO
M6 - - - s CON30-006-OOOO
M8 13 14.38 5 s CON30-008-OOOO
M10 17 18.90 6 s CON30-010-OOOO
M12 19 21.10 7 s CON30-012-OOOO
M14 22 24.49 8 s CON30-014-OOOO
M16 24 26.75 8 s CON30-016-OOOO
M18 27 29.56 9 s CON30-018-OOOO
M20 30 32.95 9 s CON30-020-OOOO
M22 32 35.03 10 s CON30-022-OOOO
M24 36 39.5 10 s CON30-024-OOOO
M27 41 45.20 12 s CON30-027-OOOO
M30 46 50.85 12 s CON30-030-OOOO
M36 55 60.79 14 s CON30-036-OOOO
M42 65 71.3 16 s CON30-042-OOOO


Coarse Thread Used For
d s e m CON 30 Order #
M 8 x 1 13 14.38 5 S CON30-008-0001
M 10 x 1 17 18.9 6 S CON30-010-0001
M 10x1.25 17 18.9 6 S CON30-010-1.25
M 12x1.25 19 21.1 7 S CON30-012-1.25
M 12x1.5 19 21.1 7 S CON30-012-01.5
M 14x1.5 22 24.49 8 S CON30-014-01.5
M 16x1.5 24 26.75 8 S CON30-016-01.5
M 18x1.5 27 29.56 9 S CON30-016-01.5
M 20x1.5 30 32.95 9 S CON30-020-01.5
M 20x2 30 32.95 9 * CON30-020-0002
M 22x1.5 32 35.03 10 S CON30-022-01.5
M 22x2 32 35.03 10 * CON30-022-0002
M 24x1.5 36 39.55 10 * CON30-024-01.5
M 24x2 36 39.55 10 S CON30-024-0002
M 27x1.5 41 45.20 12 * CON30-027-01.5
M 27x2 41 45.20 12 * CON30-027-0002
M 30x1.5 46 50.85 12 * CON30-030-01.5
M 42x1.5 65 71.3 16 S CON30-042-01.5