1) screw jaw with movable lug
带活舌螺扣接杆
2) screw jaw with lug
带舌螺扣接杆
3) solid jaw with movable lug
带活舌普通接杆
4) tongue joint with movable lug
带活舌接合杆
5) screw jaw
螺扣接杆
6) tongue joint with lug
带舌接合杆
补充资料：螺钉
1.圆柱形或圆锥形金属杆上带螺纹的零件。按用途可分为连接螺钉﹑固定螺钉等。也叫螺丝钉或螺丝。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条