S-93140A775 10-32 x 3/8" ASME B18.6.3 Plastic Slotted Flat Head Screws

Key Features & Benefits at a Glance

• Optical clarity and transparency for applications requiring visual inspection or aesthetic appeal without compromising structural integrity
• Excellent chemical and impact resistance thanks to durable polycarbonate construction, ideal for harsh industrial environments
• Wide temperature tolerance (-40° to 210°F) ensures reliable performance in both extreme cold and moderate heat conditions
• Precision Class 2A thread fit provides consistent, secure fastening with reduced risk of cross-threading in fine-threaded assemblies
• Standard 82° countersink angle enables flush mounting for streamlined surfaces and improved aerodynamic profiles
• Full threading along 3/8" length offers maximum grip and adjustment flexibility in various material thicknesses
• Regulatory compliance assurance with ASME B18.6.3, RoHS 3, and REACH standards for global market acceptance

Professional Applications & Engineering Value

These polycarbonate flat head screws with 10-32 UNF fine threading solve critical challenges in industries where metal fasteners are unsuitable. The clear plastic construction provides inherent electrical insulation while resisting corrosion from chemicals, moisture, and UV exposure. The slotted drive style allows for simple installation in optical devices, medical equipment, and food processing machinery where metallic contamination must be avoided. With Class 2A thread fit maintaining precise tolerances, these screws prevent material stripping in soft substrates while the 82° countersink creates seamless interfaces in consumer electronics and display assemblies. The combination of temperature stability and transparent fastening makes them ideal for laboratory instrumentation, lighting systems, and regulatory-sensitive applications requiring both technical performance and visual discretion.

Specification Summary & Compliance

Manufactured to ASME B18.6.3 specifications with Class 2A thread fit ensuring dimensional accuracy for unified fine threads (10-32 UNF). The right-hand threaded, fully threaded design maintains consistent engagement while the standard flat head profile with 0.385" diameter provides reliable countersinking. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations for restricted substance control, making these screws suitable for international industrial and consumer applications requiring environmental responsibility.