规格 Spec
M1/2"×16×1.5 (1/8"內)(10×1内)
M1/2"×M3/8"(1/8"內)(10×1内)
M1/2"×16×1.5 (1/8"外)(10×1外)
M1/2"×M3/8"(1/8"外)(10×1外)
0.14 0.25 立方
