Author 2023-07-27

button bit is our main product , the thread include R32 R38 R28 R25 ect , the diameter of the button bit from 32mm-170mm , A comprehensive range with 'Button', X and Cross with tungsten carbide tipped...

Author 2023-07-22

shank rod is one of our products ,at the side end of is Hex 22  Hex 25 , the other end of is R25 R28 R22 R32 etc , it can be matched thread button bit or cross bit to drill ,the length we can provide ...

Author 2023-07-22

shank rod is one of our products ,at the side end of is Hex 22  Hex 25 , the other end of is R25 R28 R22 R32 etc , it can be matched thread button bit or cross bit to drill ,the length we can provide ...

Author 2023-07-22

shank rod is one of our products ,at the side end of is Hex 22 Hex 19 Hex 25 , the other end of is R25 R28 R22 etc , it can be matched thread button bit or cross bit to drill ,the length we can provid...

Author 2023-07-16

R32 Coupling sleeve is one of our products ,we can make R32 thread coupling and also R25 R22 R38 etc , the coupling can connect drill rod and shank , it usually used in the field of anchor bolting ,dr...

Author 2023-07-16

R28 Coupling sleeve is one of our products ,we can make R28 thread coupling and also R225 R32 R38 etc , the coupling can connect drill rod and shank , it usually used in the field of anchor bolting , ...