M1 đến M16 Cắt ren tay phải trái vít ren vít khoan HSS công nghiệp tiêu chuẩn

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• Bởi Mikeinnc 23/12/2015 This is confusing. I had not realised that I had to order each pattern separately! Consequently, I have received the default which is a 0.25mm tap - a very small thread! But looking at the site again, the error is entirely mine. I shall be more careful in future......
• Bởi maddigimax 16/06/2019 Very good product!