OEM/ODM Manufacturer ASTM F436 F436M Hardened Steel Washers for Sheffield Importers

ASTM F436 F436M Hardened Steel Washers Hardened Circular, Clipped Circular, and Extra-Thick Washers, Beveled Washers Metric Size: M12-M100  Inch Size: 1/4”-4” Material Grade: Through hardened washers shall have a hardness of 38 to 45 HRC, except when zinc-coated by the hot-dip process, in which case they shall have a hardness of 26 to 45 HRC. Metric washers are suitable for use with fasteners covered in Specifications A 325M, A 490M, A 563M and with fasteners of Specification F 568 property classes 8.8 and higher. Inch washers are suitable for use with fasteners covered in Specifications A325, A 354, A 449, and A 490. Finish: Black Oxide, Zinc Plated, Hot Dip Galvanized, Dacromet, and so on Packing: Bulk about 25 kgs each carton, 36 cartons each pallet 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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    This is how the lead screw assembly is installed on the Alfamill.



    Easily take off stuck, stripped, or rusty skateboard truck hardware.
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    Sometimes the mounting hardware bolts can strip or become stuck on a skateboard. Some people try to saw them off, but there is an easier way to remove stuck skate hardware quickly without causing any damage to the deck.

    There are 2 different sizes for commonly used cross head or Phillips head screw drivers. Skate hardware requires a size number 2 screw driver or size 2 phillips head bit.

    All you need is a screw/drill gun, a 5/32 drill bit, and a 3/16 drill bit.

    Step 1:
    Clamp or hold the nut on the end of the bolt. Drill into the head of the bolt about 1/8th of an inch using the 5/32 drill bit.

    Step 2:
    Using the 3/16 bit, drill into the hole you made using the 5/32 bit until the head of the bolt comes off.

    If the head of the bolt is becomes stuck on the drill bit holt it with a pliers and twist the head off of the drill bit.

    This method works for all skateboard hardware including street skateboards, downhill and longboard skateboards.

    If you have any questions about this video or anything skate related send us a message through our channel. You can also find a lot more skateboard info at RatVision.com