[325 BULK] Thread Rolling Screws Unslotted Indented Hex Washer Head Steel Zinc & Waxed Tri-Lobe 3/8-16 X 3 Taptite Screws Alternative

Engineered for high-strength fastening, our Thread Rolling Screws deliver reliable performance in metal-to-metal assemblies. The unslotted indented hex washer head sits flush and reduces protrusion, while the tri-lobe drive offers solid torque transfer and tamper resistance.

Made from steel with a zinc and waxed finish, these screws resist corrosion and provide excellent lubricity during installation. Sized at 3/8-16 x 3, they are a versatile Taptite screws alternative for fast, secure joins.

Key Features

• Thread rolling technology creates strong, permanent threads in the mating material without cutting, improving pull-out resistance.
• Unslotted indented hex washer head for flush seating and anti-cam-out performance.
• Tri-lobe drive provides high torque transfer with tamper resistance.
• Steel with zinc and waxed finish combines corrosion resistance with lubricant to aid installation.
• 3/8-16 x 3 size fits common coarse-thread applications and standard sheet metal thicknesses.
• Self-tapping / thread-forming action reduces the need for pre-drilling in compatible materials.

Specifications

• Diameter: 3/8 inch
• Thread: 16 TPI
• Length: 3 inches
• Head type: Unslotted Indented Hex Washer
• Drive type: Tri-Lobe
• Material: Steel
• Finish: Zinc with Waxed coating
• Type: Thread Rolling / Self-Tapping

Applications

• Ideal for metal-to-metal assemblies where strong, vibration-resistant joints are required, including electrical enclosures, machinery, automotive applications, and structural metalwork.
• This Taptite screws alternative provides dependable performance where standard screws may loosen under load.

Choose these thread rolling screws for durable, flush-fitting joints that resist loosening under demanding conditions, while offering easy installation with excellent lubricity and corrosion resistance.