Bolt head marking chart. Rockwell Hardness Min/Max.

Bolt head marking chart Metric bolts made of 304 stainless steel are marked on the bolt head with A2-70. See full list on wilsongarner. The A2 represents 304 stainless steel and 70 represents the tensile strength. Hardware Menu. Note: Some bolts share identical head identification and have Jun 9, 2022 · 304 Stainless Steel Bolt Head Markings. Grade 1 - SAE J429. Yield Strength Min psi. Rockwell Hardness Min/Max. The chart includes the grade mark, the material, the tensile strength, and the yield strength of each bolt type. Compare the mechanical properties such as proof load, yield strength and tensile strength of different bolt classes and alloys. Bolt Grades and Head Markings (Inch & Metric) Bolt Grades and Head Markings – US Inch and Metric Visit our online store for product availability Identification Grade Mark Specification Description Material Proof Load (psi) Yield Strength Min (psi) Tensile Strength Min (psi) SAE J429 Grade 5 ASTM A449 Bolts, Screws,Studs Medium Carbon Steel. Head Marking. Bolt Grade Markings & Strength Chart - Inch Steel Bolts. Material. Hex Bolt Identification, Markings and Strength Chart Table Guide. Additonal information on bolts is located at the bottom of the webpage. com Hex Bolt Identification, Markings and Strength Chart Table Guide. Tensile Strength Min psi. Nominal Size (Inch) Proof Load psi. Hex Bolt Identification, Markings and Strength Chart. Low or medium carbon steel : 1/4" - 1-1/2" 33,000: 60,000: 36,000: B70 / B100 A PDF document that shows the bolt head marking chart for various grades and sizes of bolts, screws, and studs. Bolts, Screws and Studs . Bolt Grade / Specification. The tensile strength equals 700 MPA general-purpose stainless steel. Find out how to identify the grade and material of US and metric bolts by their head markings. lbjk ejrn wfaqhe aybwt iinmfbfk swy vbdob fzarr hfpt iplfnkg