Description:1. Advantage: Square head bolt offers a large bearing area, is made of carbon steel, zinc plated finish to prevent rust, high strength, good wear resistance and good impact resistance, durable.2. Application: It is widely used in the assembly and maintenance of machinery, railroad, electrical connections, construction, some assembly required furniture and DIY project. Such as the assembly and fixing of guardrails, home appliances, pipeline installations, equipment, steel-framed houses, etc.3. Installation: A wrench/plier is required for installation. Generally, with a nut and a washer to form a fastener device(Not in the package).Specification:Product Name: Square Head BoltMaterial: Carbon SteelFinish: Zinc PlatedColor: Silver ToneThread Size: M6 x 17.5mm / M6 x 0.69"(D*L)Pitch: 1mmHead Size: 13mm x 13mm x 3.4mm / 0.51" x 0.
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