The Lubker Library hosts one of the largest Fastener Specification portals available to the industry. Our easy to navigate site brings valuable and detailed data instantly to the users hands, whether the search is made to support engineering design, enhance quality inspection, or to simply understand the dimensional and physical characteristics of common fastener products.

Verify head markings by viewing the Fastener Insignia area, search fastener specifications derived from ASTM and SAE standards, or view quick links to grade and material data. All this and more is made available to you, as our way of saying thanks for making the Lubker Library your first choice when searching product related reference documentation.

Fastener Specifications