Hot Selling for ASTM A307 Grade B Heavy Hex Cap Screws to Sri Lanka Factory
ASTM A307 Grade B Heavy Hex Bolts Heavy Hex Cap Screws Standard: ASME B18.2.1 (Various types of configuration are also available) Thread Size: 1/4”-4” with various lengths Grade: ASTM A307 Grade B 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.  
    • Hot Selling for ASTM A307 Grade B Heavy Hex Cap Screws to Sri Lanka Factory Related Video:



    Here’s a set of block molds made using 71-20 silicone. This is an overview of the mold making and casting process.

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