The key word at Harper Aerospace Fasteners is "accountability." For over 35 years, Harper has produced some of the most sophisticated and esoteric fasteners imaginable for the aerospace Industry. We have developed a method of testing and inspection that provides proof that our fasteners are made to the stipulated specifications. Harper's reputation for reliability in the industry is well established.

Harper's documented fasteners can be

found today in satellites, nuclear applications, radar equipment, turbine engines, high-pressure pumps, and a host of other sophisticated applications in the aerospace and commercial industries.

Being a part of the Allied family of companies provides us with a network of sales and service support necessary to be fully responsive to our customer's needs.

Thread sizes ranging from:
0 - 8 thru 1.25 - 12.

Materials available include:
high-strength and exotic alloys such
as A-286, Alloy Steel, Greek Ascoloy,
Hastaloy, Inconel, Ph13-8Mo, 17-4Ph,
and Waspaloy.

Tensile strength ranging from:
120,000 thru 220,000 p.s.i.

Finishes available include:
black oxide, cadmium plating,
passivation and silver plating.

Options available include:
head and shank drilling, special
heads, shanks, and threads.

Please contact our Sales Engineering
Department for information concerning
other material, tensile strength, and
finish options.

At Harper Aerospace Fasteners we
are committed to supplying our
customers with high quality, fully
certified fasteners.

AOL 2000 Series
12-Pt. Tension Bolt
37 degree Head
A-286, 130 KSI
Min. U.T.S.
Also available as
MS9033 thru
MS9066 Series

AOL 30000 Series
12-Pt. Shear Bolt
A-286, 160 KSI
Min. U.T.S.
120 KSI Min. Shear

AOL4160 thru
AOL 4162 Series

Socket Head
Expander Screw
A-286, 170 KSI
Min. U.T.S.

AOL4166 &
AOL 4169 Series
Socket Head Cap Screws Threaded to Head & with Close Tolerance Grips
A-286, 160 KSI
Min. U.T.S.
Also available as
NAS1351 &
NAS1352 Series

AOL4168 Series
100 degree Flat Head
Cross Recess Screw
A-286, 160 KSI
Min. U.T.S.
Also available as
NAS560 Series

AOL8000 Series
Bolt-Swivel Ring
Alloy Steel, 160-180 KSI
Min. U.T.S.
Also available as
NAS1251 Series

AOL90000 Series
Electrical Contact
Bushing
99.9 % Copper
Also available as
MS3348 Series