2-56 x 1/4 Full Trilobe Thread Forming Screws / Six-Lobe (Torx) / Flat Undercut Head / Steel / Zinc (Quantity: 10 000 pcs)

Flat Six Lobe Undercut Generic Alternatives to Taptite Thread Rolling Screws * Heads to ASME B18.6.3 dimensions Manufactured to SAE J81 specifications Trilobular Design / Fully Threaded