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2. List of screw and bolt types - Wikipedia

   en.wikipedia.org/wiki/List_of_screw_and_bolt_types

   tap bolt, setscrew: A bolt that is threaded all the way to the head. An ASME B18.2.1 compliant set/tap bolt has the same tolerances as an ASME B18.2.1 compliant hex cap screw. set screw: grub screw: A set screw is generally a headless screw but can be any screw used to fix a rotating part to a shaft, such as a line shaft or countershaft. The ...

3. Screw - Wikipedia

   en.wikipedia.org/wiki/Screw

   High-strength steel bolts have property class 8.8, which is 800 MPa ultimate strength and 0.8*800=640 MPa yield strength or above. The same type of screw or bolt can be made in many different grades of material. For critical high-tensile-strength applications, low-grade bolts may fail, resulting in damage or injury.

4. Unified Thread Standard - Wikipedia

   en.wikipedia.org/wiki/Unified_Thread_Standard

   Each thread in the series is characterized by its major diameter D maj and its pitch, P. UTS threads consist of a symmetric V-shaped thread. In any plane containing the thread axis, the flanks of the V have an angle of 60° to each other. The outermost 1 ⁄ 8 and the innermost 1 ⁄ 4 of the height H of the V-shape are cut off from the profile.

5. ASTM A325 - Wikipedia

   en.wikipedia.org/wiki/ASTM_A325

   ASTM A325 is an ASTM International standard for heavy hex structural bolts, titled Standard Specification for Structural Bolts, Steel, Heat Treated, 120/105 ksi Minimum Tensile Strength. It defines mechanical properties for bolts that range from 1 ⁄ 2 to 1 + 1 ⁄ 2 inches (13 to 38 mm) in diameter. [1]

6. ISO 898 - Wikipedia

   en.wikipedia.org/wiki/ISO_898

   It specifically applies to fasteners that have an ISO metric screw thread as defined in ISO 68-1. The properties are defined for M1.6-39 with coarse threads and M8-39 with fine threads. The diameter and pitch combinations must adhere to ISO 261 and ISO 262 and the thread tolerances must adhere to ISO 965 parts 1, 2, and 4. [2]

7. Australia to charge tech companies for news content if they ...

   www.aol.com/news/australia-charge-tech-companies...

   SYDNEY (Reuters) -Australia's centre-left government said on Thursday it planned new rules that would charge big tech firms millions of dollars if they did not pay Australian media companies for ...

8. Is It Safe to Use Expired Vitamins? The Truth About Vitamin ...

   www.aol.com/vitamins-expire-nutritionists-weigh...

   This highly-rated face serum is just $10: 'Totally changed my 64-year-old skin'

9. 12 reasons you aren't losing weight even though you're eating ...

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   8. You're getting older. As you age, losing weight becomes harder for several reasons. One is that as you age, you lose lean muscle—about three to eight percent per decade, starting as early as ...