S-91746A648 8-32 x 3/8" Thumb Screws

Key Features & Benefits at a Glance

• Enhanced manual operation with knurled thumb head texture for superior grip and tool-free tightening
• Exceptional corrosion resistance from 18-8 stainless steel construction, ideal for harsh environments
• High mechanical strength with 80,000 psi tensile strength and Rockwell B85 hardness for reliable load-bearing
• Precision thread engagement with Class 2A UNC coarse threads ensuring smooth installation and vibration resistance
• Space-saving low-profile design with round head for applications with limited clearance
• Versatile compatibility with standard 8-32 UNC threaded components across industrial equipment
• Regulatory compliance meeting RoHS 3 and REACH standards for safe use in commercial applications

Professional Applications & Engineering Value

Engineered for industrial assembly and maintenance, these low-profile round head thumb screws solve critical access challenges in confined spaces. The fully threaded 8-32 UNC coarse thread design provides maximum engagement strength while the knurled grip surface enables rapid hand-tightening without tools - eliminating cross-threading risks during repeated access panel servicing. Manufactured from 18-8 stainless steel, they maintain structural integrity in corrosive environments including outdoor enclosures, marine controls, and food processing equipment. The Class 2A thread fit guarantees consistent mating with standard components, reducing installation time and preventing mechanical failures in vibration-prone applications.

Specification Summary & Compliance

Features precision UNC coarse threads with Class 2A tolerance (8-32 thread size, 0.164" diameter) and right-hand thread direction. Manufacturing complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations. Dimensional specifications include 3/8" length, 3/8" head diameter, and low-profile round head configuration with slotted drive compatibility.