[10000 BULK] Thread Rolling Screws Slotted Indented Hex Washer Head Steel Zinc & Waxed Tri-Lobe #4-40 X 5/16 Taptite Screws Alternative

Engineered for dependable fastening in thin sheet metal and electronics enclosures, the Thread Rolling Screws Slotted Indented Hex Washer Head Steel Zinc & Waxed Tri-Lobe #4-40 x 5/16 Screws deliver strong, vibration-resistant joints in a single pass. By forming threads in the material rather than cutting them, these screws reduce pre-dr drilling and create durable, self-tapping connections.

Key features

• Thread rolling (forming) technology forms durable threads in metal, reducing the need for pre-drilling and providing strong, self-tapping performance.
• Head style: Slotted Indented Hex Washer Head for flush seating and reliable load distribution.
• Drive type: Tri-Lobe drive adds tamper-resistance and secure installation (compatible with specialized tools).
• Material & finish: steel with a zinc coating and wax lubrication for corrosion resistance and smooth driving.
• Size & length: #4-40 threaded diameter with a 5/16" length, suitable for lightweight metals and thin panels.
• Type: Thread Rolling (Self-Tapping) Screws.

Applications

• Ideal for electronics enclosures, metal panels, cabinetry, and other lightweight metal assemblies requiring clean aesthetics and reliable thread formation.

Specifications

• Thread: #4-40 UNC
• Length: 5/16 inch
• Head style: Slotted Indented Hex Washer Head
• Drive: Tri-Lobe
• Material: Steel
• Finish: Zinc & Waxed
• Type: Thread Rolling (Self-Tapping) Screws

Use these screws in electronics housings, appliance panels, and other thin sheet metal projects to achieve secure, fast, and aesthetically clean assemblies without pre-tapping.