S-93015A224 3/8"-16 x 1 1/2" Thumb Screws

Thumb Screws

0781FA00017 Thumb Screws
0781FA00017 Thumb Screws

Image may differ from product. See technical specification for details.

Part No.
Part No. 0781FA00017
Equivalent to mcmaster :
93015A224

Basic Information

System of Measurement Inch

Head Parameters

Head Type Thumb
Thumb Screw Head Shape Round
Round-Head Thumb Screw Profile Low
Head Diameter 1 1/4"
Head Height 7/16"
Head Texture Knurled

Dimensions

Length 1 1/2"

Thread Parameters

Thread Type UNC
Thread Size 3/8"-16
Thread Diameter 0.375"
Thread Spacing Coarse
Thread Length 15/16"
Thread Direction Right Hand
Thread Fit Class 2A
Threading Partially Threaded

Tip & Drive Parameters

Tip Type Extended
Tip Length 3/16"
Tip Diameter 9/32"

Material & Strength

Material 18-8 Stainless Steel
Hardness Rockwell B83
Tensile Strength 80000 psi

Temperature & Environment

REACH Compliant
RoHS Compliant
Technical Drawings No drawings available at the moment, will be launched soon
In Stock
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Key Features & Benefits at a Glance

  • Enhanced manual grip with knurled head texture for secure handling without tools in industrial environments
  • Superior corrosion resistance from 18-8 stainless steel construction, ideal for demanding applications
  • Reliable mechanical performance with 80,000 psi tensile strength and Rockwell B83 hardness for repeated use
  • Quick installation through coarse UNC threads and Class 2A fit, ensuring smooth engagement
  • Space-saving low-profile design with extended tip for precise alignment in confined assemblies
  • Compliance with global standards including RoHS 3 and REACH for safe, sustainable operations
  • Versatile right-hand threading compatible with standard 3/8"-16 components

Professional Applications & Engineering Value

This low-profile knurled thumb screw addresses critical needs in industrial settings where tool-free adjustments and reliable fastening are paramount. Crafted from 18-8 stainless steel, it resists rust and corrosion in humid or chemical-exposed environments, reducing maintenance costs. The coarse UNC thread and Class 2A fit enable rapid hand-tightening with minimal cross-threading risk, while the extended tip aids alignment in electronic enclosures, machinery panels, and prototyping fixtures. Its 80,000 psi tensile strength ensures durability under vibration, making it a trusted choice for assembly lines, OEM equipment, and field service applications requiring frequent access.

Specification Summary & Compliance

This thumb screw features a 3/8"-16 UNC coarse thread with Class 2A tolerance for consistent fit. It is manufactured from 18-8 stainless steel, partially threaded with a 15/16" thread length, and complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental and safety standards are met.

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