B35R28-5212A	Threaded button bit	Diameter 35mm	R28	7 Buttons	/
B38R28-5212H	Threaded button bit	Diameter 38mm	R28	7 Buttons	/
EH28-2785-R28R32	Extension rod	Hexagon 28mm	Male R28	Male R32	Length 2785mm
EH28-3390-R28R32	Extension rod	Hexagon 28mm	Male R28	Male R32	Length 3390mm
SKR32-351-HY200-45	Shank adapter	Shank for HY200	R32	Diameter 45mm	Length 351mm

With customized upgrades and design improvements, coupled with the professional technical services of the local team, the drill rod life is increased by about 20-30%. This improvement not only boosts durability but also reduces monthly drill rod consumption by about 18% to 22%. Successfully reduced the total cost per meter from US$0.52 to US$0.49.