2017 New Style ASTM F3125 High Strength Structural Bolts for Portugal Manufacturers
 ASTM released a new standard in 2015, This specification is a consolidation and replacement of six ASTM standards, including; A325, A325M, A490, A490M, F1852 and F2280. Bolts manufactured under this specification are intended for use in structural connections covered in the Specification for Structural Joints Using High-Strength Bolts, as approved by the Research Council on Structural Connections   Dimension: ASME/ANSI B18.2.6, ASME/ANSI B18.2.3.7M Various head geometries or special thread lengths are available under this new standard. Inch Thread Size: 1/2"-1.1/2" with various lengths Thread Size: M12-M36 with various lengths Grade: A325, A325M, A490, A490M, F1852 and F2280. Finish: Black Oxide, Zinc Plating, Hot Dip Galvanized, Mechanically Galvanized, and so on Packing: Bulk about 25 kgs each carton, 36 cartons each pallet. Or, comply with your requirement. Advantage: High Quality and Strict Quality Control, Competitive price,Timely delivery; Technical support, Supply Test Reports Please feel free to contact us for more details.  
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    NOTE: The set screws mentioned in the video are incorrect. These are the actual set screws I used, verified in the shop, with a thread gage.

    Nonmarring Flat Point Set Screw, 18-8 Stainless Steel, M8 Size, 10mm Length, 1.25mm Pitch
    McMaster-Carr #92605A141

    https://www.mcmaster.com/mv1467920594/#catalog/92605A141

    Nonmarring Flat Point Socket Set Screw, Alloy Steel, M10 Size, 12mm Length, 1.5mm Pitch
    McMaster-Carr #93245A156

    https://www.mcmaster.com/mv1467920594/#catalog/93245A156

    4mm hex key (McMaster-Carr #71285A175):

    https://www.mcmaster.com/mv1467920594/#catalog/71285A175

    5mm hex key (McMaster-Carr #71285A177):

    https://www.mcmaster.com/mv1467920594/#catalog/71285A177

    6mm hex key (McMaster-Carr #7289A17):

    https://www.mcmaster.com/mv1467920594/#catalog/7289A17

    Suburban Tools video showing how to use a boring head: