Nuts

Slotted Hex Nuts - Finished Patter
The slots are for the insertion of a cotter pin to secure the nut when used with a drilled shank fastener

Slotted Hex Nuts - Finished Patter
The slots are for the insertion of a cotter pin to secure the nut when used with a drilled shank fastener

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

Across the Flats: 1 5/8" inches
Also referred to as Rod Couplings
The length of the nut is 2.5D where D equals the basic major thread diamter.

Nylon Insert Stop Nuts
Light Hex, Standard Height (NM & NE Series)
Proof Load: 90,000 psi
Steel Zinc Plated
Also known as: Nylon Insert Stop Nuts, Nylock Nuts, Elastic Lock Nuts, Elastic Stop Nuts

Has greater surface area than NM-series nuts, making wrenching easier.
Deisgned to be used with cap screws which have a minimum tensile strength not greater than 90,000 pcs.
Used in bridge and building construction, material handling, heavy equipment and field machinery.
Steel nylon insert stop nuts are less expensive than grade-C automation lock nuts.
Also known as: Nylon Insert Stop Nuts, Nylock Nuts, Elastic Lock Nuts, Elastic Stop Nuts

Finished Hex Nuts, Low Carbon
Low Carbon Steel with a Zinc Protective Coating
Manufactured to ASME B18.2.2 & SAE J995 Specifcations

To bu used with A307 Bolts

Finished Hex Nuts, Low Carbon
Low Carbon Steel with a Hot Dip Galvanic Coating - Hot-Dip Galvanized
Manufactured to ASME B18.2.2 & SAE J995 Specifcations

To bu used with A307 Bolts

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

Grade-DH nuts are heat treated by quenching in a liquid medium from a temp above the transformation temp
To be used with A325 Type 1, A325 Type 3, A490 Type 1 bolts

Cadmium Yellow Plating

Collar Lock Nuts / Stover Lock Nuts
Grade 9 for a superior hold

Has greater surface area than NM-series nuts, making wrenching easier.
Deisgned to be used with cap screws which have a minimum tensile strength not greater than 90,000 pcs.
Used in bridge and building construction, material handling, heavy equipment and field machinery.
Steel nylon insert stop nuts are less expensive than grade-C automation lock nuts.
Also known as: Nylon Insert Stop Nuts, Nylock Nuts, Elastic Lock Nuts, Elastic Stop Nuts

Grade 2H nuts are recommended for use with bolts in high-pressure and high-temperature service
Grade-2H nuts are heat treated by quenching in a liquid medium from a temp above the transformation temp
Rockwell C24 - C38
150,000 psi proof load
Hot dip galvanizing is generally the most effective way to apply a sufficient thickness of zinc to threaded fasteners for zinc to serve as a corrosion protection in harsh enviroments.

Grade 2H nuts are recommended for use with bolts in high-pressure and high-temperature service
Grade-2H nuts are heat treated by quenching in a liquid medium from a temp above the transformation temp
Rockwell C24 - C38
150,000 psi proof load

Grade 2H nuts are recommended for use with bolts in high-pressure and high-temperature service
Grade-2H nuts are heat treated by quenching in a liquid medium from a temp above the transformation temp
Rockwell C24 - C38
150,000 psi proof load

Finished Hex Nuts, Low Carbon
Low Carbon Steel with a Plain Finish
Manufactured to ASME B18.2.2 & SAE J995 Specifcations

To bu used with A307 Bolts