B Thread Self Tapping Screw

• Material: Stainless Steel, Carbon steel grade 4.8, 8.8, 10.9, 12.9
• Product description: B Thread Self Tapping Screw is from Fast Hardware Electronic Co., Limited which is a professional B Thread Self Tapping Screw, Self Tapping Screw With Flat Point, Thread B type Pan Head Self Tapping S
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