S-93995A340 10-24 Thumb Nuts

Thumb Nuts

1042FA00004 Thumb Nuts
1042FA00004 Thumb Nuts

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

Part No.
Part No. 1042FA00004
Equivalent to mcmaster :
93995A340

Basic Information

System of Measurement Inch
Nut Type Thumb
Color Black

Dimension Parameters

Height 7/16"

Thread Parameters

Thread Type UNC
Thread Size 10-24
Threading Fully Threaded
Thread Direction Right Hand
Thread Spacing Coarse
Thread Fit Class 2B

Head Parameters

Thumb Nut Head Shape Round
Thumb Nut Profile Standard
Head Diameter 1/2"
Head Texture Knurled

Material & Strength Parameters

Material Nylon Plastic

Temperature & Environment Parameters

Maximum Temperature 200°F

Finish & Compliance Parameters

RoHS RoHS 3 (2015/863/EU) Compliant
REACH REACH (EC 1907/2006) (07/08/2021, 219 SVHC) Compliant

Geometric Parameters

Collar Diameter 3/8"
Collar Height 1/4"
Technical Drawings No drawings available at the moment, will be launched soon
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Key Features & Benefits at a Glance

  • Effortless hand-tightening with a knurled head for superior grip in tight spaces or when tools are impractical.
  • Excellent corrosion and chemical resistance due to durable Nylon Plastic construction, ideal for harsh environments.
  • Lightweight and non-conductive properties prevent galvanic corrosion and electrical interference, enhancing safety.
  • Reliable performance up to 200°F, ensuring stability in various industrial temperature conditions.
  • Precise 10-24 UNC coarse threading with Class 2B fit provides smooth engagement and secure fastening with standard male threads.
  • Compliance with REACH and RoHS 3 standards guarantees environmental safety and regulatory acceptance for global supply chains.
  • Standard round profile and right-hand thread offer easy installation and broad compatibility with common inch-system components.

Professional Applications & Engineering Value

This Nylon Plastic thumb nut is engineered to solve common industrial challenges where speed, corrosion resistance, and electrical insulation are critical. The fully threaded 10-24 UNC design with a coarse thread spacing ensures rapid assembly and disassembly in maintenance-heavy applications, such as electronic enclosures, machinery panels, and automotive assemblies. The knurled head texture provides a secure grip even with gloved hands, reducing installation time and minimizing the risk of stripped threads. Its black color and Nylon material offer UV resistance and durability against oils and mild chemicals, making it a reliable choice for OEMs and MRO professionals seeking efficient, hand-tightening solutions that meet stringent REACH and RoHS 3 environmental standards.

Specification Summary & Compliance

This thumb nut adheres to UNC thread standards with a Class 2B thread fit for consistent accuracy and compatibility. Key dimensions include a 1/2" head diameter, 3/8" collar diameter, and 7/16" height. It is fully compliant with REACH (EC 1907/2006) and RoHS 3 (2015/863/EU) regulations, ensuring it is free from hazardous substances and suitable for use in environmentally conscious industries.

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