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PTP - Aerospace Bolts

Aerospace Bolts with Custom Head Configurations

  • Drilled/Cross Holes in Hex and Socket Heads
  • T-Bolts manufactured to spec
PTP manufactures these important MS parts in a state of the art facility
Head Configurations:

Hex Head, Hex Socket with and without holes, Flange, Shoulder, Square, and T-Bolts


1/8” to 1.00” diameters and lengths to 3”

Part Numbers:
  • NAS563-572 in A286 Stainless Steel
  • AN 148551-148650
  • A-286 – AMS 5731, 5732 and 5737
  • Waspaloy, Inconel, Titanium
  • Alloy Steels – AISI 4340, 8740, 17-22A
Finish Processes & Testing:

Passivation, Non-destructive Hardness and PWA-certified tensile testing, Fillet Radius Burnishing


Silver Flash, Cadmium and Zinc Plating, Chrome Flash and Dry Film Lube

Flange Bolts
Flange Bolts from PTP

Washer on the underside of a hex head. Helps in distribution of force from the bearing load. Also referred to as frame bolts.

Frame applications such as truck and bed frames

Hex Bolts
Hex Bolts from PTP

Bolts are fully or partially threaded, with six-sided heads.

Broad range of uses, including construction and repair of bridges, docks, highway elements and buildings.

Machine Bolts
Machine Bolts from PTP

Square heads paired with a semi-cone point and a fully threaded shaft.

Fastens wood to wood, wood to metal and metal to metal. Also found in general hardware use.

Shoulder Bolts
Shoulder Bolts from PTP

Also known as shoulder screws. A long unthreaded, cylindrical shank helps rotation of attached moving parts.

Pulleys, moving engine parts and mechanical assemblies, gears and rolling wheels.

Square Head Bolts
Square Head Bolts from PTP

Consists of a square head, followed by a smooth shank and a machine screw thread. Can also be fully threaded. Design of the head facilitates easier wrench grip when tightening.

Wide range of industrial, agricultural and construction applications.

PTP manufactures bolts and other precision fasteners for aircraft, rotocraft, and space vehicles.

Contact PTP for a bolt quote today!