TIMCO Self-Drilling Heavy Section A2 Stainless Steel Bi-Metal Screws,All Sizes,100pcs

TIMCO Self-Drilling Heavy Section A2 Stainless Steel Bi-Metal Screws - 5.5 x 38

Used for attaching metal to heavy section steel (Max. 12mm) without the need to pre-drill a hole.
Hex Screw S/DRILL No5 BIMET

Hardened carbon steel drill tip fused on to an A2-304 Austenitic Stainless Steel body