tee head bolt meaning in English

t形头螺栓
丁字头螺栓

Equipment for steelworks and rolling mills ; graphical symbols for stone bolts and tee head bolts with anchor boxes in technical drawings
炼钢厂和轧钢机用设备.在技术图纸上带锚盒的地脚螺栓
Equipment for steelworks and rolling mills ; anchor plates for tee head bolts according to din 261 ; double anchor plates ; dimensions , designations , mounting depth
冶金和轧钢设备.按din261的t型头螺栓用锚板.双锚板
Equipment for steelworks and rolling mills ; anchor plates for tee head bolts according to din 261 ; single anchor plates ; dimensions , designations , mounting depth
冶金和轧钢设备.按din261的t型头螺栓用锚板.单块锚板