A Global Leader in Aerospace Fastener Manufacturing

Ring and Key Lock Studs

Ring and Key Lock Studs

PTP produces Ring Lock Studs and Key Lock Studs in 303 Stainless, A286, 4140 Alloy Steel, Alloy 718 (INCONEL 718), 6A1-4V Titanium and Waspaloy.

Aerospace Bolts

Aerospace Bolts

PTP specializes in producing Bolts with Custom Head Configurations such as Hex Head, Hex Socket with and without holes, Flange, Shoulder, Square, and T-Bolts

Ring and Key Lock Inserts

Ring and Key Lock Inserts

PTP produces Ring and Key Lock Inserts in 303 Stainless, A286, 4140 Alloy Steel, Alloy 718 (INCONEL 718), 6A1-4V Titanium and Waspaloy.

Important News

PTP is now certified to manufacture HS4773 studs for Boeing Accredited suppliers are approved to do business with Boeing Company and its approved suppliers.

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PTP Now Manufactures Studs for RL10 Engine Launch industry “workhorse” powers ULA’s Vulcan Centaur rocket and NASA’s Space Launch System.

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PTP Downloads

PTP Standard Parts Flyer

Ring Lock Studs, Ring Lock Inserts, Clinched Studs, Size-on-size Studs, Bolts, Bushings and much more.

Shur-Lok® and Howmet Rosan® Part Interchange Brochure

PTP manufactures MS part numbers that cross-reference both Shur-Lok and Howmet Rosan style studs.