请教一下这几个紧固件的名词

METAL FRAME ANCHOR WITH UNLOSABLE NUT. CSK HEAD POZI SCREW IN YELLOW Z/P 金属窗式壁虎镀黄锌，后面的是什么意思？ FLAT HEAD TORX 30 CONCRETE FRAME SCREW, YELLOW ZINC PLATED. 3 CUTTING LINE ON THREAD. 这个又是什么螺钉？ WINDOW SCREW. DRILLING POINT. FLAT HEAD. YELLOW ZINC COATED. DRIVERS: PHILLIPS HEADS: COUNTERSUNK(WITH RIBS UNDER HEAD), PAN WINDOW SCREW. SHARP POINT (COARSE). FLAT AND OVAL HEAD. COATING: YELLOW AND WHITE ZINC, DRIVERS: PHILLIPS. HEAD: COUNTERSUNK. 这几个又是什么意思，谢谢！