15-Piece Pro Cobalt Drill Bit Set Category_Coolers & Ice Chests Bit holders offer two magnets

Bit holders offer two magnets to maximize magnetic transfer and holding power to the fastener and prevent drops

These self-drilling screws are used in wood

The square underside of the head is self-locking to eliminate spinning and the need for a driving tool

wide pattern

15-Piece Pro Cobalt Drill Bit Set Category_Coolers & Ice Chests Bit holders offer two magnets135 degree split point to minimize walk. Cobalt for higher heat & abrasion resistance. Heavy duty web construction for strength & durability. For tough metal drilling, including heavy duty abrasive, alloy metal drilling on hardened steel. Cast iron & stainless steel. Rugged storage case with rubber over mold for added impact resistance. Sliding latch design provides added security.