Mutual Screw & Supply

5/16-18 x 2-1/4 英吋滾花杯點六角套螺絲 | 合金鋼 (100 入/包)

5/16-18 x 2-1/4 英吋滾花杯點六角套螺絲 | 合金鋼 (100 入/包) - Main image
$103.1 $156.21 In stock

合金鋼製滾花杯頭內六角止付螺絲,採用內六角驅動,適合在狹小空間內進行高扭力調整。

  • 內六角驅動
  • 滾花杯頭尖端
  • 合金鋼結構

規格參數

  • 螺紋尺寸: 5/16-18
  • 長度: 2 1/4"
  • 尖端: 滾花杯頭
  • 材質: 合金鋼
  • 包裝數量: 100
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Customer Reviews (5.0 / 5 · 5 reviews)

Eva L. ★★★★★

Used these to lock a pulley onto a motor shaft where a standard wrench couldn't reach, and the hex socket drive made adjustment a breeze even in that cramped spot. The knurled cup point held firm after a full day of vibration, and the alloy steel feels plenty tough for the price.

Natalie D. ★★★★★

The knurled cup point grips the shaft firmly without marring it, which is exactly what I needed for a stubborn pulley setup. All 100 screws arrived with clean threads and consistent hex sockets, and at this price I’ll be stocking up again.

Claire ★★★★★

The hex socket drive made tightening these down in a tight bracket a breeze, and the knurled cup point held firm without slipping. Exactly what I needed for a stubborn alignment job.