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This chart helps to identify the grades of bolts using the identification marks on the bolt's head along with the strength and hardness of common grade bolts. Please note the bolt heads may also include the manufacturer's identification stamp, especially with high strength bolts.
SAE J429 Grade 2. Grade 2 Cap Screws are manufactured in accordance with SAE J429 and must meet hardness requirements . of 80-100 HRb for diameters up to and including 3/4” and 70-100 HRb for sizes over 3/4” diameter. The wedge tensile strength requirements are 74,000 psi minimum for diameters up to and including 3/4” and
10 Δεκ 2022 · A bolt strength chart is an important tool for calculating the tension or clamp force that a bolted joint can withstand. It is used to select the correct size and type of bolt for specific applications, ensuring that the joint will be strong enough to handle any load it may incur. ... without Markings: Grade- 2 Low/ medium carbon steel:
Yield Strength: The maximum load at which a material exhibits a specific permanent deformation. Proof Load: An axial tensile load which the product must withstand without evidence of any permanent set. 1MPa = 1N/mm 2 = 145 pounds/inch 2. Shop for US Bolts. Shop for Metric Bolts.
Bolt Grade Marking and Specs. Hex Head Cap Screws are designed for easy assembly into a tapped hole. Hex Cap Screws meet SAE specifications with a specially designed washer face under the head and a chamfered point. Grade 5 is the most common grade used in manufacturing assembly.
21 Ιουν 2023 · SAE bolt grades and uses. Typical applications of SAE bolt grades include: Grade 2. Low- to medium-strength carbon steel bolts used for non-critical joints: Light construction for wood framing, brackets, or other non-load-bearing applications.
29 Αυγ 2023 · Grade 2: This is the standard grade for bolts with no markings. They have a tensile strength of up to 74,000 PSI for bolts over ¼ inch. Grade 5: Identified by three radial lines, these bolts have a tensile strength of up to 120,000 PSI.
