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#31 HSS 黑色氧化短頭鑽頭 - 12 入

#31 HSS 黑色氧化短頭鑽頭 - 12 入 - Main image
$6.24 $8.91 In stock
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產品規格

#31 HSS BLACK OXIDE JOBBER LENGTH DRILL BITS - 12 PACK

#31 HSS Black Oxide Jobber Length Drill Bits - 12 Pack is a drill bit that has a long length compared to its diameter. These bits provide more flexibility and absorb more shock and vibration than cobalt, powdered-metal, and carbide jobber-length. These jobber bits have a good balance of strength and precision when drilling into a range of materials. Each jobber bit is commonly used in softer materials such as wood, soft metals, or composite. They come in a wide range of sizes, finishes, and materials. Our jobber bits are designed, engineered, and superbly crafted to provide long-lasting durability.

135 度分割點設計,可防止晃動、偏移或滑動,並免除預先打孔的需求。這些鑽頭由 M2 高速鋼製成,並經過熱處理,以確保延長使用壽命並達到最佳穿孔效能。黑色氧化物表面處理提供更高的耐磨性與腐蝕抵抗力。

數量: 12 件

尺寸

  • 全長 – 2-3/4 英吋(作業長度)
  • 尺寸 – #31 號線徑
  • 十進位等值 – 0.12 英吋
  • 柄徑 – 圓形直柄

適用的機器:

  • 電動旋轉鑽與夾頭轉接器

適用的材料:

鋼、金屬板、PVC、MDF、橡木、楓木、鋁等

安全提示/技巧:

  • 務必穿戴適當的個人防護裝備(包括但不限於)安全眼鏡, 聽力防護, 呼吸防護,以及手部防護。保持機器上的所有防護罩就位。
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      Customer Reviews (4.8 / 5 · 5 reviews)

      Evelyn Q. ★★★★★

      Had to grab these because my old bits kept wandering on steel; the black oxide finish really seems to grip better. Drilled through a dozen holes in a bracket without any chatter. These #31s are staying sharp so far.

      Ryan Q. ★★★★★

      Bought the 12-pack so I'd stop hunting for a single bit every time one snapped. The black oxide coating seems to help them hold up better than the shiny cheap ones I've used, and the jobber length gives me enough reach on deeper holes. Twelve of the same size means I'm set for a while.

      John D. ★★★★★

      Grabbed these for a weekend project drilling through some mild steel and they held up better than the price suggested. Jobber length gives plenty of reach in tight spots, and having 12 means I'm not stopping to resharpen mid-job.