13 Years Factory wholesale ASTM A193 B7 Heavy Hex Bolts to Hungary Manufacturer

A193 B7 Heavy Hex Bolts Heavy Hex Cap Screws Standard: ASME/ANSI B18.2.1, ASME/ANSI B18.2.3.7M (Various types of head are available) Inch Size: 1/2”-2.3/4” with various lengths Metric Size: 1/2-M72 with various lengths Grade: ASTM A193 B7 Finish: Black Oxide, Zinc Plated, Zinc Nickel Plated, PTFE etc. 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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    Learn about Kryptonite’s WheelBoltz and see a step by step guide on how they install on your bike. WheelBoltz are for hollow axles only and replace your wheel’s quick release. They are great to use for secondary security on your front and/or rear wheel.

    When the bike is upright, the WheelBoltz are locked and can only be unlocked with the bike turned upside down. A primary U-Lock or chain prevents the bike from flipping when secure to a fixed object.

    Easy to install/uninstall with 5mm hex wrench that is included.
    Front wheel – 130mm
    Rear Wheel – 150mm



    For decades, FKE has been dedicated to developing new technologies and improving product quality. We have obtained 50 patents in 9 countries, including the class 14.99 screws, which outperform traditional class 12.9 products, and the high-speed bolt formers, now recognized globally as first-rate machines. Our socket set screws, socket head cap screws, and square head set screws are now widely used in the world. All our products are strictly tested in our own accredited laboratory before packing. Together with ISO-certified quality control and professional customer support, we have established high reputation as a world-class fastener provider.