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GB846 Cross Recessed Countersunk Head Self Tapping Screw 304 Stainless Steel Phillips Flat Head Self-tapper for LED Lamp Shell

GB846 cross recessed countersunk head self tapping screw is a national standard hidden self-tapping fastener. It adopts a 90-degree flat countersunk head with Phillips cross slot, compatible with regular cross screwdrivers for quick installation. With sharp self-tapping tip and special thread structure, it can carve threads on plastic, thin aluminum and thin iron sheets without pre-tapping holes. All our GB846 screws are made of premium 304 stainless steel, with precise rolling threads free of burrs, delivering smooth tapping and firm locking.