Also known as thread forming screws thread rolling screws trilob screws or trilobe screws. Diameter (Nominal): #10 Thread Pitch: 14 Diameter (Dimension): 0.212 Length (Nominal): 3/8 Product Class: Externally Threaded Fasteners Order: Thread Cutting Fasteners Category: Thread Rolling Screws System of Measurement: US Units Brand: Aspen Fasteners® Form and Design: Trilobe Triangular Body with Threads for Plastics Head Style: Truss Head Drive Style: Cruciform Recess Drive Drive Detail: Phillips Type H Threading: 48-2 Double-Lead Thread Thread Length: Full Thread Thread Direction: Right-Hand Thread Material: Steel Material Processes: Case Hardened Coating: Zinc Plated and Waxed Coating Color: Clear Hardness Rating: Rockwell C45 min. / Core=C28-C38 Standards and Specifications: ASME B18.6.3 NB: Product images are copyrighted artistic representations which may not reflect the product s exact appearance proportions and/or relative dimensions.