Description
Type A point has a conical tip and spaced threads that are suitable for forming threads in holes drilled in thin metals between 0.015″ and 0.050″ thick and resin impregnated plywood
Steel is often used in applications where strength is the primary consideration, and the zinc plating resists corrosion and has a reflective appearance
Pan head has a flat top and short vertical sides with a rounded top edge
Phillips drive has an x-shaped slot that accepts a Phillips driver and is designed to prevent over-tightening






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