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![]() | Purchase Partners has the answers to frequently asked questions related to material grades and fasteners; or you can click on the Engineering Design Help link below to enter in the exact parts you are requesting specifications for... | ![]() | Looking for answers on what a word means or related info on industry terminology, click here to search our user friendly database. |
![]() | Your most comprehensive source of fastener specification data related to manufacturing, inspection and mechanical fastening. | ![]() | Restriction of hazardous substance directive for for the presence of Lead (Pb), Cad (Cd), Mercury (Hg), Hexavalent chromium (Hex-Cr), (PBB), and others. |
![]() | Information on bolt and grade markings on bolts, inclusing tensile. | ![]() | Resources, Tools and Basic Information for Engineering and Design of Technical Applications |
![]() | Suggested torque calculations for bolts; ASTM A302, ASTM A193 B7, Grade 2, Grade 5, Grade 8. | ![]() | The recommended tap/ drill sizes for threaded holes. |
![]() | Listing of standard head styles for standard fasteners. | ![]() | Listing of standard screw points for machine and tapping screw threads. |
![]() | Thread dimensions, thread fit, and terminology of threaded fasteners. | ![]() | Nut identification markings, specifications, material grades, proof loads, and hardness. |
![]() | Information on the mechanical properties and hardness of different grades of bolts. | ![]() | Lisitng of available material grades from ASTM A307, to Inconel to Nitronic Stainless. |
![]() | ASTM International develops international standards for materials, products, systems and services used in construction, manufacturing and transportation. | ![]() | The ASME vision for mechanical engineering is to be the premier organization for promoting the art, science and practice throughout the world. |
![]() | Voice of the U.S. standards and conformity assessment system, the American National Standards Institute (ANSI) assures the safety and health of consumers and the protection of the environment. | ![]() | Intelligent work forums for Engineerig Professionals. |
Links To Other Technical Information
Disclaimer: The information listed here and links to other engineering resources are to be used for reference purposes only and does not guarantee any performance, from or fit in your application. Use of content here or in any website linked here is the sole responsibility of that person and they assume all risk. No warranty is expressed or implied. Use solely at your own risk. | ||









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