5Pcs Male Thread 25mm Hex Shaped Head Clamping Knob with 5Pcs M8 Thread6199
Thread Size: M8. Clamping Knob Weight : 32g. 5 x Clamping Knob. Thread Length : 15mm. It is used for T-slot aluminum extrusions to connect other parts. T Slot Bolt Head Size: 18 x 8 x 6mm.