Buy Online [10000 BULK] Thread Rolling Screws Unslotted Indented Hex Washer Head Steel Zinc & Waxed Tri-Lobe 4-40 X 3/8 Taptite Screws Alternative

Designed for reliable metal-to-metal fastening, these Thread Rolling Screws are unslotted indented hex washer head variants crafted from steel with a zinc finish and waxed coating. They serve as a dependable Taptite screws alternative, delivering strong, durable threads through a thread-rolling process that forms the threads without cutting, resulting in high torque transfer and extended longevity.

The unslotted indented hex washer head sits flush with the surface, providing a broad bearing surface for secure seating. The Tri-Lobe drive reduces cam-out and improves torque transfer during installation, delivering confident fastening in tight spaces.

Specifications at a glance

Thread size: #4-40

Length: 3/8 in

Material: Steel

Finish: Zinc plating with wax coating

Head type: Unslotted Indented Hex Washer Head

Drive type: Tri-Lobe

Key benefits

Thread-rolling process creates strong, durable threads in metal without cutting

Flush seating with a broad bearing surface for a neat, low-profile appearance

Tri-Lobe drive minimizes cam-out and improves torque transfer

Corrosion-resistant zinc finish with wax coating for added protection

Reliable alternative to Taptite screws in a variety of applications

Applications

Ideal for metal-to-metal fastening in electronics, appliances, enclosures, and lightweight assemblies where a neat, low-profile head is desired.