Description
Monster Overview:
Fix your project right the first time with Bulk #4-40 6-Lobe Flat Head Taptite Alternative Thread-Rolling Screws from Monster Bolts! These trilobular fasteners roll-form durable, reusable threads in untapped holes—perfect for electronics, small instruments, and miniature assemblies where vibration resistance and a flush surface are critical.
The 82° countersunk head features a hexalobular / Torx® star (6-lobe) drive that delivers maximum torque with minimal cam-out. A bright zinc bake & wax finish provides lubricity and RoHS-compliant corrosion protection.
Monster Features:
- Thread-Rolling Efficiency: Forms threads in untapped holes—no taps, chips, or secondary operations.
- Vibration Resistance: Interference fit plus work-hardened threads resist loosening under dynamic loads.
- Flush Finish: 82° countersunk head sits level with the surface for a smooth, snag-free appearance.
- Drive: Hexalobular / Torx® star 6-lobe recess offers high torque transfer and long driver life.
- Quality: Monster Bolts supplies only premium fasteners—backed by responsive customer support.
Monster Specifications
| Feature | Details |
|---|---|
| Diameter / Thread | #4-40 UNC |
| Available Lengths | Fully threaded — select length above |
| Head / Drive | 6-Lobe Flat – Torx® Star / Hexalobular |
| Point Style | Taptite-style trilobular thread-rolling |
| Material | Carbon Steel |
| Finish | Zinc Bake & Wax (RoHS) |
| System of Measurement | US / Inch |
| Standards | Meets ASME B18.6.3 & IFI thread-rolling screw guidelines |
Also known as star-drive, Torx®, or hexalobular screws, this 6-lobe recess maximizes driver-to-tool contact for superior torque transfer and longer bit life.
More Monster Bolts:
Explore More Thread-Forming Options: Need other sizes or head styles? Visit our full Thread-Forming Screw Collection.
Need matching hardware? Bulk #4 washers available here.
Order Yours Today and Experience the Monster Bolts Difference!
Buy with confidence! Every order from Monster Bolts is backed by our commitment to quality, fast shipping, and customer satisfaction.
Note: (PT) denotes partial-thread fasteners; all lengths in this listing are full-thread.