[1500 BULK] Thread Rolling Screws Unslotted Indented Serrated Hex Washer Head Steel Zinc & Waxed Tri-Lobe 5/16-18 X 1 Taptite Screws Alternative

★★★★★ 4.5 83 reviews

US$162.73
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US$162.73
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Free shipping Free 30-day returns

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Management number 242075203 Release Date 2026/07/19 List Price US$162.73 Model Number 242075203
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Upgrade your fasteners with Thread Rolling Screws—unslotted indented serrated hex washer head screws crafted from steel with a zinc finish and a waxed coating. This Tri-Lobe drive variant delivers secure, high-strength performance in a compact package for demanding installations.

  • Thread-rolling design: forms strong threads in softer materials without pre-tapping, delivering superior grip and vibration resistance.
  • Unslotted, indented serrated head: minimizes slippage and resists loosening under load.
  • Hex washer head: distributes clamping force over a broad area for a flush, secure seating.
  • Tri-Lobe drive: provides efficient torque transfer and helps resist cam-out during installation.
  • Steel with zinc finish and waxed coating: offers corrosion protection and lubrication for smoother driving and long-lasting performance.
  • Size and compatibility: 5/16-18 x 1 inches, common coarse thread; ideal as an alternative to Taptite screws where thread-rolling fasteners are preferred.
  • Applications: metal-to-metal assemblies, electrical enclosures, control panels, cabinetry, and other equipment requiring reliable, vibration-resistant fastening.

Choose these thread rolling screws for a robust, tamper-resistant, low-profile fastener that supports quick, durable installation in a variety of projects.


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