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Spring Pin / Spiral Pin

Spring Pins are cylindrical fasteners with slotted or spiral designs that compress during installation to lock securely into drilled holes. They are manufactured to ASTM, DIN, and ISO standards in spring steel, stainless steel, or bronze. Their spring tension provides reliable self-retention while absorbing vibration and shock loads. Available in slotted, spiral, standard, and heavy-duty variants with zinc, phosphate, or stainless finishes, they offer strength and corrosion resistance. They are widely used in automotive, aerospace, machinery, tools, and general engineering for alignment, fastening, and load-bearing applications.