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Gerudi rata kayu yang biasa digunakan spesifikasi mempunyai diameter luar 6mm-40m, bahan yang biasa digunakan di pasaran tidak. 45 keluli, yang kekerasannya adalah HRC40-48. Jika jenama yang lebih baik menggunakan keluli No. 65, kekerasan tiga titik kerja gerudi kayu boleh menjadi HRC45-54, dan kesan pemotongan lebih baik.
2022/06/13
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Privacy statement: Your privacy is very important to Us. Our company promises not to disclose your personal information to any external company with out your explicit permission.