S-93995A360 1/4"-20 Thumb Nuts

Thumb Nuts

1042FA00006 Thumb Nuts
1042FA00006 Thumb Nuts

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

Part No.
Part No. 1042FA00006
Equivalent to mcmaster :
93995A360

Basic Information

System of Measurement Inch
Nut Type Thumb
Color Black

Dimension Parameters

Height 1/2"

Thread Parameters

Thread Type UNC
Thread Size 1/4"-20
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 3/4"
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 1/2"
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

  • Easy hand-tightening operation thanks to the knurled round head design for superior grip without tools
  • Excellent corrosion resistance and electrical insulation properties from durable nylon plastic construction
  • Reliable thread engagement with Class 2B UNC coarse threads ensuring smooth assembly and vibration resistance
  • Wide temperature tolerance maintaining performance in environments up to 200°F (93°C)
  • Quick installation and removal through fully threaded right-hand design for rapid maintenance cycles
  • Regulatory compliance assurance meeting RoHS 3 and REACH standards for safe industrial use
  • Optimized dimensional stability with precise 1/2" collar diameter and 1/4" collar height for consistent fit

Professional Applications & Engineering Value

This nylon thumb nut solves critical challenges in electrical enclosures, machinery guards, and frequent-access panels where tool-free operation and corrosion resistance are paramount. The black nylon material provides inherent dielectric properties while the knurled round head delivers positive grip even with gloved hands. Engineers specify these Class 2B UNC threaded components for applications requiring repeated assembly and disassembly, as the coarse thread pitch prevents cross-threading and enables rapid servicing. The 200°F temperature rating ensures reliability in industrial environments where metal fasteners would corrode or conduct electricity.

Specification Summary & Compliance

Manufactured to standard thumb nut profile with precise dimensions: 3/4" head diameter, 1/2" collar diameter, and 1/4" collar height. Thread specifications include 1/4"-20 UNC coarse thread with Class 2B fit for consistent engagement. Fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and material traceability. Right-hand threaded configuration with full threading for maximum engagement depth across applications.

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