Sun Through Industrial Co., Ltd. is specialized in self-drilling screws, especially its newly developed spiral self-drilling screw. With extremely excellent drilling capacity, the spiral self-drilling screws could penetrate steel plates with the thickness between 12~30mm. When being compared with traditional self-drilling screws, it could save almost half of drilling time!
螺絲, 攻牙螺絲
| 公司名稱: | 三友璟工業有限公司 |
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