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Keylocking Studs



Acme Keylocking Studs provide security and "repairability" in applications where you can't use a through-bolt/nut combination. They are superior for use in soft materials such as aluminum or magnesium when extra strength, extended thread life and vibration-resistance are required.

  • Securely Locked with Keys
  • Solid One-Piece Design Provides High Pull-Out Strength and Torque-Out Capabilities
  • Ideal for OEM Use, Thread Repair or High Vibration Applications

Acme Industrial Company has been approved by the United States Defense Logistics Agency as a supplier of Class 3 Threaded Fasteners. The Qualified Suppliers List for Manufacturers (QSLM) approval extends to Acme's Keylocking stud products. See QSLM approval letter.

Acme Keylocking Stud products are:

  • Produced to NAS and SAE standards (MS51833 and MS51834)
  • Offered in a full range of inch and metric sizes
  • Available in 303, A286, and 4140 Alloy Steel
  • Lightweight and heavy duty versions available
  • Precision rolled UNJ threads allow transfer of high axial loads into base material

Installing or removing keylock studs is easy.

Short Lead Times, Competitive Prices, Top Quality, Made in USA

Rely on Acme's manufacturing expertise to provide the performance you expect from a supplier as evidenced by approvals from major worldwide aerospace manufacturers.

Since 1914, Acme Industrial has been a major force in supplying precision steel products to the manufacturing and military sectors. Now, Acme introduces its new Acme Keylocking Stud product line to the marketplace. These high performing studs are engineered and manufactured to meet or exceed today's high quality requirements and demands.




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