Trim Head, T25 Torx drive, 5.0x50/65mm, Black Painted, Stainless 316, Marine Grade

Torx/Star/6-lobe drive, flat head, twin-lead, tri-lobe thread, stainless 18-8 

Trim Head, Torx T15, 4.0x35/38mm, Black Painted, Stainless 304

Pin-in torx for tamper-proof application, no pre-drilling required, with 8mm stronger shank.

Torx(Star) drive, Pan Head, #3 Tek Point. Made of stainless 410 used to drill metal, stainless steel etc.

Torx(Star) drive, Pan Head, #3 Tek Point. Made of stainless 304 or 316 for soft material like aluminum.

Serrated hex flange head, Sawtooth thread, double bottom thread, Alloy steel or stainless 410 or bi-metal, widely used for blocks, bricks, concrete etc. Reusable

Stainless 304 or 316, Pin-in Torx, Pan Head, Metric, UNC