PLAIN FINISH GRADE 8 SQUARE HEAD BOLT production process

Square head bolts are used in applications where visibility is limited but durable fastening is required. These bolts have large, flat sides and are easy to tighten with a wrench. Square heads are best used in tight or dark spaces where a machinist or fabricator must tighten the bolt blind.

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Видео PLAIN FINISH GRADE 8 SQUARE HEAD BOLT production process канала Ningbo Weifeng Fastener Co., Ltd