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Welcome to XIAOGUO to buy Slotted Screw, the Slotted Screw (Free Sample is allowed) is a common threaded fastener, widely used in furniture, electrical appliances, machinery, buildings and even orthopedics, and the general material is metal.The slot of the slotted screw is divided into a slot cross slot and a rice slot, and a slot is more difficult to slip than a cross slot, so it can improve the torque transmission capacity of the screw.