Feature

●SELF TAPPING TRAILER DECK SCREWS - Designed specifically for attaching wood floors into truck trailers, but they can be used in a number of different applications such as those involving fastening to heavy gauge sheet metal, aluminum, castings, cast iron, brass, and plastic.
●MATERIAL - Hardened Steel (RC 45 Minimum Case Hardness) | BLACK PHOSPHATE & OIL COATING - Provides corrosion Resistance
●For consistent performance, the material in which the threads are cut should have a lower hardness of at least 10-20 Rockwell points
●DRIVE - T-40 TORX DRIVE (6-LOBE)
●RECOMMENDED PLATE THICKNESS - .3095 inches - .3155 inches | RECOMMENDED HOLE SIZE - .29 inches ("L" Drill Bit Size)


Description

5/16-18 x 2 1/2 inch Flat Head Floorboard Thread Cutting Screws, Type F, T30 Torx, Black Phosphate (10 Pack) - SOLD BY U-TURN FASTENERS

HIGH QUALITY Thread Forming Screws that wont let you down. These Screws require a pre-drilled hole, but they are able to cut their own treads into steel.