DIN931 DIN933 Hex Head Bolt

The DIN931/DIN933 hex head bolt, also known as a hex cap screw, is offered by Handan Daoning Fasteners Co., Ltd. in a wide selection of material grades including carbon steel, alloy steel, stainless steel and brass. Strength classes range from 4.8 up to 12.9, covering applications from light‑duty to high‑stress assemblies. Surface treatments such as plain, zinc‑plated (clear, blue, yellow, black), black oxide, nickel, chrome and hot‑dip galvanised are listed, allowing buyers to match corrosion resistance requirements. The product complies with multiple standards including ASME B18.2.1, IFI 149, DIN 931, DIN 933, ISO 4014 and GB 5782.

Typical metric sizes span M6 to M64, with imperial equivalents from 1/4 in to 3 in, and lengths are offered to suit standard engineering dimensions. Threads are supplied in metric (M), UNC and UNF profiles, and the bolts meet the standard thread tolerance class 6g. Packing is usually bulk in cartons not exceeding 25 kg, which can be placed on wooden pallets per customer request. The supplier states a monthly supply capability of 1 000 tons, indicating capacity for large projects.

These fasteners find use in structural steel frameworks, metal building systems, oil and gas installations, wind‑energy towers and automotive assemblies. Importers such as construction contractors and equipment manufacturers often require a minimum order of 500 kg per specification, and Handan Daoning accepts FOB, CIF, CFR, CNF, EXW, DDU and DDP terms. Payment can be arranged via T/T or L/C, and the company offers technical support and test reports on request. Buyers should confirm the exact grade, material and finish needed for their engineering specifications.

Handan Daoning Fasteners Co., Ltd. is located at Room 103, 6th floor, Jishan Apartment, Ring Road No 26, Congtai District, Handan, Hebei, 056000, China. The firm is listed with a harbour‑level trust tier, and its response rate is currently recorded as 0 percent, indicating no recent response data is available.

The supplier advertises a monthly output of 1 000 tons and requires a minimum order of 500 kg for each specification. It can quote a full range of trade terms including FOB, CIF, CFR, CNF, EXW, DDU and DDP, and accepts payment by T/T or L/C. No additional corporate history or client portfolio is disclosed; interested buyers should request further company details directly.