Explore Wotu’s range of self-drilling screws, self-tapping screws, bolts, nuts, U-bolts, anchor bolts and washers for construction, steel structure, roofing and industrial fastening applications.
Our products are available in multiple sizes, standards, head types and surface finishes. We also support bulk orders, customized non-standard fasteners, neutral export packaging and private-label requirements.
Brand: Wotu Surface: zinc plated Specifications: in stock M8~M64 full standard specifications, covering precision, machinery, and steel structure full size range, supporting nonstandard tooth pitch and customized thickness Matching: Can be matched with bolts of corresponding specifications, flat washer, spring washer complete set of shipment Packing: packed in 25kg cartons and packed on wooden pallets.
Brand: Wotu Surface: 304 stainless steel Specifications: in stock M6~M24 full standard metric specifications, supports nonstandard pitch, thickening/customized Matching: Can be matched with bolts of corresponding specifications, flat washer, spring washer complete set of supporting shipment Packaging: 25kg cartons, whole wooden pallets
Brand: Wotu Surface: zinc plated Specifications: in stockM6/M8/M10/M12/M14/M16/M20 Chinese national standardfull range of specifications, support nonstandard thickness, tooth pitch customized Matching: can be matched with bolts of the same specification, flat washer, spring washer complete set of shipment Packaging: 25kg cartons, whole wooden pallets
Brand: Wotu Surface: overall hot-dip zinc plated anti-corrosion treatment, optional blue-white zinc plated, color zinc plated, black oxide Specifications: Execute GB/T97.1-2002 Chinese national standard, in stock M6-M64 full range of specifications, inner diameter, outer diameter, thickness strictly comply with Chinese national standard parameters, support nonstandard size customized Packaging: 25kg woven bag / export carton packaging, full pallets wrapped with film, supports private-label customization
Brand: Wotu Surface: quenching and tempering heat treatment + high temperature black oxide anti-rust treatment Specifications: Comply with DIN934, GB/T6170 standards, in stock M6-M48 full range of specifications, nonstandard sizes can be customized Packaging: 25kg carton/woven bag inner packaging, whole wooden pallet wrapped with film for export packaging, supports neutral/private-label customization packaging
Brand: Wotu Surface: color zinc plated, blue-white zinc plated, black oxide, hot-dip galvanized, various surface treatments available Specifications: Comply with DIN934, GB/T6170, GB/T6172.1, GB/T6177.1 standards, in stock M6-M64 full range of specifications, support nonstandard customized Packaging: woven bag inside/25kg export carton, full-container wooden pallet wrapped with film, supports private-label, neutral export packaging
