[900 BULK] Thread Rolling Screws Unslotted Indented Hex Washer Head Steel Zinc & Waxed Tri-Lobe 5/16-18 X 1-3/4 Taptite Screws Alternative

Mutual ScrewSKU: 3128RWKC

Price:
Sale price$539.89 Regular price$699.50per 900( $0.60 each)
Pieces 900
Measurement type Inch
Thread size 5/16-18
Diameter 5/16
Length 1-3/4
Material Steel
Finish Zinc & Waxed
Head style Unslotted Indented Hex Washer
Threads per inch 18
Weight 38.0 lb

WARNING: This product can expose you to chemicals including lead and lead compounds, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to https://www.P65Warnings.ca.gov.

Description

Choose robust, corrosion-resistant fastening with our Thread Rolling Screws. These unslotted indented hex washer head screws are crafted from steel with a zinc finish and a waxed coating, delivering reliable performance when you need quick, self-tapping installation and strong pull-out resistance. Designed as an effective alternative to Taptite screws, they combine a Tri-Lobe drive with precision-formed threads to create strong, durable joints in a variety of materials.

  • Thread-rolling, self-tapping design: Form secure threads without pre-drilling, for clean holes and strong seating.
  • Unslotted indented hex washer head: A flush, tamper-resistant head that seats evenly and distributes load.
  • Tri-Lobe drive: High torque transfer with improved cam-out resistance for fast installation.
  • Zinc-coated steel with waxed coating: Corrosion protection plus reduced friction for easier driving and withdrawal resistance.
  • Size and length: 5/16-18 thread, 1-3/4 in length — Ideal for thicker materials and strong joints.
  • Versatile applications: Great for metal hardware, appliances, automotive trim, and other assemblies where a reliable, professional finish is required.
  • Alternative to Taptite screws: A dependable option when you need a self-tapping screw with excellent thread formation and holding power.

Whether you’re building, repairing, or replacing hardware, these thread rolling screws deliver durable performance, ease of installation, and a clean appearance. Add them to your toolkit for fast, secure assemblies that stand up to everyday use.

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800-222-0324

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