The utility model provides a titanium alloy cross recess coiled hair pine does not take off screw comprises TB3 titanium alloy cross recessed pan head screw, 0Cr18Ni9 stainless steel spring packing ring and TA1 titanium alloy area tooth plain washer, be equipped with 0Cr18Ni9 stainless steel spring packing ring and TA1 titanium alloy area tooth plain washer on the TB3 titanium alloy cross recessed pan head screw, TB3 titanium alloy cross recessed pan head screw 1 includes the cross recess coiled hair, and outside diameter is d1's polished rod, and big footpath is d's external screw thread pole, and the overlay coating is the pulse anodization, 0Cr18Ni9 stainless steel spring packing ring surface is electropolishing, TA1 titanium alloy area tooth plain washer includes that the diameter is d2's excircle and the rectangle internal tooth that the hole is D, and the overlay coating is the pulse positive pole. The utility model discloses simple structure, convenient to use, light in weight, intensity high (1000MPa), among the assembly and disassembly process spring washer with take the tooth plain washer can not deviate from, assemble duration was practiced thrift about 1 minute to each screw.