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M4 X 40mm 杯頭內六角止付螺絲 | 合金鋼 (100個/包)

M4 X 40mm 杯頭內六角止付螺絲 | 合金鋼 (100個/包) - Main image
$28.91 $39.07 In stock

M4 x 40 mm 杯形點六角套件螺絲,合金鋼製,採用六角套件驅動,可在狹小空間內進行高扭矩調整。

  • 六角套件驅動
  • 杯形點尖端
  • 合金鋼結構

規格參數

  • 螺紋尺寸:M4-0.7
  • 長度:40 mm
  • 點:杯形點
  • 材質:合金鋼
  • 包裝數量:100
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Customer Reviews (4.6 / 5 · 5 reviews)

Sophia O. ★★★★★

Had to swap out a set screw on a stubborn pulley, and these M4 cup points grabbed the flat spot perfectly with the hex socket. The 100-pack means I'll have spares for years, too.

Ella P. ★★★★★

The hex socket drive on these screws fit my driver perfectly, making adjustments in a cramped cabinet space much easier than I'd expected. The cup point tip seated flush without stripping the metal surface.

Charlotte ★★★★★

I needed some extra-strong set screws for a small jig I'm building, and the cup point on these digs in perfectly. The hex socket drive made them easy to tighten even in a tight corner, and the 40mm length was just right for my application. No stripped threads or fuss.