Multi-Drill Screw Pan Head (Zinc Plated) 5x25MBT-525N Pan Head/5X25mm AX BRRIN ■Product Quantity 　Multi-Drill Screw Pan Head (96 screws per box) x 4 boxes ● Drill screws that can penetrate H-beams without pre-drilling. ● Work can be done directly without pre-drilling, allowing for efficient work. ● Compatible with steel plate thicknesses from 2.3 to 9.0mm (stainless steel materials not usable), steel plates, and H-beams. ● Ideal for attaching equipment, fixtures, saddle boxes, boards, etc. to angles (all unhardened). ● Screws can be driven directly into steel plates without pre-drilling, shortening work time. ● The special shape of the cutting edge increases drilling speed and reduces work time. ● Work is possible with an impact driver. ● Compatible with square bit No. 2 and Phillips bit No. 2, using a square bit to drive in the screw makes it difficult for the head to strip and the screw to fall out (SQ2PH2 bit included).