19毫米六角 chisel钻头一体式

19毫米和22毫米六角塞孔一体化钻杆

22毫米六角 chisel 钻头一体化钻杆

12° Tapered drill bit

12° Hex 25 mm tapered rod

12° Hex 22 mm tapered rod

11° Tapered drill bit

11° Hex 22 mm tapered rod

7° Tapered drill bit

7° Hex 25 mm tapered rod

7° Hex 22 mm tapered rod

Drill bit

Drill rod