S-91772A075 1-72 x 3/4" ASME B18.6.3 Stainless Steel Pan Head Phillips Screws

Key Features & Benefits at a Glance

• Exceptional corrosion resistance with passivated 18-8 stainless steel construction, ideal for harsh industrial environments
• Superior tensile strength rated at 70,000 PSI for reliable performance in demanding applications
• Precise Class 2A thread fit ensures smooth installation and secure fastening with minimal play
• Full threading design provides maximum grip length and uniform load distribution
• Rockwell B70 hardness maintains structural integrity under repeated stress and vibration
• Fine UNF thread pattern delivers enhanced holding power in thinner materials
• Phillips pan head design combines easy installation with a low-profile, rounded appearance

Professional Applications & Engineering Value

These 1-72 UNF machine screws with fine thread spacing are engineered to address critical fastening challenges in precision assemblies. The passivated 18-8 stainless steel construction provides excellent corrosion resistance, making them ideal for electronics, instrumentation, and aerospace applications where environmental durability is paramount. The fully threaded design ensures maximum engagement in thin-section materials, while the Class 2A thread fit guarantees consistent installation torque and reliable clamp force retention. With their pan head Phillips drive, these screws offer both installation efficiency and a clean aesthetic finish for visible applications.

Specification Summary & Compliance

Manufactured to ASME B18.6.3 specifications with Class 2A thread fit tolerance for precision alignment. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations. Features UNF fine threads with right-hand direction and full threading along the 3/4" length. Material hardness certified at Rockwell B70 with tensile strength rated at 70,000 PSI.