China Standard Screws manufacturers - Select 2022 high quality Standard Screws products in best price from certified Chinese Screw, Wood Screws suppliers, wholesalers and factory on . Get Price. Drywall Screw- Bugle Head Fine Thread - Fong Prean. Fine Thread Bugle Head. We offer high quality fine thread drywall screws and ...Detailed description Product Name Product Name Cross flat head tapping self drilling screw Port Material Stainless steel 304,316 carbon steel Head Type countersunk Length 6-250mm Diameter M3--M16 according to customer requirements Used Post Frame Construction/ Metal Roofing/ Commercial Bu...?is located in Gongyi, , —China. We are specialized in supplying the following products? 1)Cold rolling mill machine 2)Inverted vertical wire drawing machine 3)High straightening and cutting machine 4)Screw blade making machine Our main markets is?Bulgaria, Canada, Argentina, Brazil, Malaysia, India, Vietnam, …About Us. Alloy Tool Steel was established in 1973 with one goal in mind: to offer the best possible selection, quality, service and pricing in the business. Today, Alloy Tool Steel has grown to be the largest tool steel distributor on the west coast, stocking over four million pounds of top-grade tool steel at our 24,000 -square-foot headquarters in Santa Fe Springs, California.