Bolt grade explained
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[Sub-thai] High Tensile Hex Head Bolt 12.9 สกรูมิลดำเหล็กแข็ง 12.9 ดีกว่า เกรด 8.8 แค่ไหน? อย่างไร?
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Grade 8.8 10.9 12.9 DIN6915 heavy structure Hex Nuts #hexnut #fasteners #hardware #bolt
Pre Load in a Fastener explained in the simplest way possible - Pre-Load = Clamping Force