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Dia 7mm-29mm grinding cups for your broken and blunt button bit
BESTLINK
BESTLINK makes and supplies 4 models of grinding cups(grinding pins) as below:
wing(shoulder drive), with 8mm shank/shaft.
san-drive, with 9mm shank/shaft
55-drive
hex-drive
| Button shape | Button diameter |
| 7mm |
| 8mm | |
| 9mm | |
| 10mm | |
| 11mm | |
| 12mm | |
| 13mm | |
| 14mm | |
| 15mm | |
| 16mm | |
| 17mm | |
| 18mm | |
| 19mm | |
| 20mm | |
for steel removal | 7-8mm |
| 9-10mm | |
| 11-12mm | |
| 13-14mm | |
| 16-18mm | |
| 19-20mm |
Note: when using grinding machine with a collect chuck, the O-ring must be removed.
BESTLINK makes and supplies 4 models of grinding cups(grinding pins) as below:
wing(shoulder drive), with 8mm shank/shaft.
san-drive, with 9mm shank/shaft
55-drive
hex-drive
| Button shape | Button diameter |
| 7mm |
| 8mm | |
| 9mm | |
| 10mm | |
| 11mm | |
| 12mm | |
| 13mm | |
| 14mm | |
| 15mm | |
| 16mm | |
| 17mm | |
| 18mm | |
| 19mm | |
| 20mm | |
for steel removal | 7-8mm |
| 9-10mm | |
| 11-12mm | |
| 13-14mm | |
| 16-18mm | |
| 19-20mm |
Note: when using grinding machine with a collect chuck, the O-ring must be removed.