Mutual Screw & Supply

#4-40 X 5/16" 尼龍杯型點插座螺絲 | 合金鋼 (100 / 包)

#4-40 X 5/16" 尼龍杯型點插座螺絲 | 合金鋼 (100 / 包) - Main image
$26.49 $42.05 In stock

#4-40 x 5/16" Nylon Pellet cup point socket set screws in Alloy Steel, with a hex socket drive for high-torque adjustment in tight spaces.

  • 六角驅動
  • 杯型尖端
  • 合金鋼結構

規格參數

  • 螺紋尺寸: #4-40
  • 長度: 5/16"
  • 尖端: 杯型尖端
  • 材質: 合金鋼
  • 包裝數量: 100
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Customer Reviews (5.0 / 5 · 5 reviews)

Elizabeth Z. ★★★★★

I’ve used these in some tight spots where I needed to adjust tension without stripping anything, and the hex socket drive makes it a breeze to torque them down. Each screw’s cup point seats really well, and a hundred of them means I’ve got plenty for all my fiddly little projects.

Penelope W. ★★★★★

The nylon pellet on these set screws grips well without marring the shaft, and the hex socket makes them easy to tighten in a tight spot. I’ve used them to lock a pulley in place, and they haven’t budged.

Madison ★★★★★

The cup point bites into the shaft firmly, and the hex socket lets me torque them down in spots where a wrench wouldn't fit. The nylon pellet locks them in place without stripping, and a hundred of these for the price is a steal.