Mutual Screw & Supply

#4-40 × 5/16" 機械螺絲 | 圓頭一字驅動 | 普通鋼 (3,900 / 包裝)

#4-40 × 5/16" 機械螺絲 | 圓頭一字驅動 | 普通鋼 (3,900 / 包裝) - Main image
$30.09 $47.01 In stock

無鍍層(未塗層)鋼製機械螺絲,適用於不需要耐腐蝕性的室內一般緊固用途。

規格

  • 尺寸: #4-40 5/16"
  • 驅動類型: 一字
  • 頭部樣式: 圓頭
  • 材質: 普通鋼
  • 螺紋: #4-40 UNC (粗牙)

產品特點

  • 機器螺絲,用於搭配螺帽或攻牙孔
  • 圓頭輪廓
  • 一字驅動
  • 普通鋼結構
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Customer Reviews (5.0 / 5 · 5 reviews)

James T. ★★★★★

The slotted drive on these pan head screws gives a nice, secure grip with a standard flathead screwdriver. I’ve had zero issues with them stripping during installation, which is a relief for such small fasteners. Perfect for indoor projects where you need a lot of sturdy #4-40 screws.

Andrew ★★★★★

Picked up a pack of these #4-40 screws for a small jig I was building, and they fit perfectly in the pre-tapped holes. The slotted drive is old-school but works fine with a standard screwdriver, no cam-out issues.

Miles ★★★★★

Was looking for plain steel pan head slotted screws to match a vintage project, and these #4-40 x 5/16" specimens fit perfectly. The 3,900-count package is definitely enough to last a few years of tinkering.