試一試先用細drill鑽孔,再換大一點的,依次擴孔,直到可以放進extractor bit. 注意加鑽油降溫。
所有跟帖:
• I would start with a 3/16" drill bit. Small -jassco- ♂ (89 bytes) () 02/06/2022 postreply 10:01:10
• 謝謝 -DC_Jeeper- ♂ (0 bytes) () 02/06/2022 postreply 13:40:12
• I would start with a 3/16" drill bit. Small -jassco- ♂ (89 bytes) () 02/06/2022 postreply 10:01:10
• 謝謝 -DC_Jeeper- ♂ (0 bytes) () 02/06/2022 postreply 13:40:12