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#39 HSS 黑色氧化鈦 標準長度鑽頭 - 12入

#39 HSS 黑色氧化鈦 標準長度鑽頭 - 12入 - Main image
$6.5 $8.91 In stock
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產品規格

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

#39 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度分叉點設計,可防止鑽頭晃動、偏移或滑動,無需預先打孔。這些鑽頭採用M2高速鋼製造,並經過熱處理,以確保延長使用壽命並達到最佳切削效能。黑色氧化處理提供更高的耐磨與抗腐蝕性。

數量: 12支

尺寸

  • 全長 – 2-3/8 英吋(標準長度)
  • 尺寸 – #39 線徑
  • 小數等值 – 0.0995 英吋
  • 柄徑 – 圓形直柄

適用機器:

  • 電動旋轉鑽頭與夾頭轉接器

適用材料:

鋼材、金屬板、PVC、MDF、橡木、楓木、鋁材等

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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      Standard Shipping · 美國: US$0.00

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      Customer Reviews (5.0 / 5 · 5 reviews)

      Joseph ★★★★★

      These #39 bits started cutting cleanly right out of the box, and the 135-degree split point really helps them bite into steel without walking. I’ve already used three of them drilling pilot holes for model parts, and no chipping yet.

      Harper ★★★★★

      Black oxide coating held up fine through a full afternoon of drilling into steel studs, and the 12-pack means I didn’t have to stop mid-project to hunt for another bit. Jobber length gave me enough reach without flexing, though I did snap one on a bent nail—still, at this price, that’s expected.

      Eli ★★★★★

      I needed a dozen jobber-length bits for my cordless drill, and these 1/2-inch shanks fit snugly in my chuck without any wobble. They cut through several layers of 2x4 lumber cleanly on the first pass. I've only used them a few times but the black oxide coating hasn't chipped at all.