Door Bits › Door Bits - Carbide Insert Drill Bit Accessories - M5 Spur Screw Door Bits - Carbide Insert Drill Bit Accessories - M5 Spur Screw Sale Price: $4.83 Original Price: $5.36 This Southeast Tool Carbide Insert Drill Bit Accessories comes:M5 Screw used for Spur Insert Quantity: Add To Cart Added! This Southeast Tool Carbide Insert Drill Bit Accessories comes:M5 Screw used for Spur Insert