S-99937A104 10-24 Thumb Nuts

Thumb Nuts

1045FA00004 Thumb Nuts
1045FA00004 Thumb Nuts

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

Part No.
Part No. 1045FA00004
Equivalent to mcmaster :
99937A104

Basic Information

System of Measurement Inch
Nut Type Thumb, Flange

Dimension Parameters

Height 11/32"

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 Flanged
Head Diameter 1/2"
Head Texture Knurled

Material & Strength Parameters

Material 316 Stainless Steel

Finish & Compliance Parameters

RoHS RoHS 3 (2015/863/EU) Compliant
REACH REACH (EC 1907/2006) (01/17/2022, 223 SVHC) Compliant

Geometric Parameters

Collar Diameter 13/32"
Collar Height 3/16"
Technical Drawings No drawings available at the moment, will be launched soon
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Key Features & Benefits at a Glance

  • Superior corrosion resistance with 316 stainless steel construction for extended service life in harsh environments
  • Enhanced grip and torque application through knurled round head design for secure manual tightening
  • Increased stability and load distribution from integrated flange design that prevents loosening under vibration
  • Quick installation and removal with fully threaded 10-24 UNC coarse threading for rapid assembly operations
  • Precise thread engagement with Class 2B fit ensuring reliable performance in industrial applications
  • Compliance with environmental regulations meeting both REACH and RoHS 3 standards for global market acceptance
  • Optimized dimensions with 1/2" head diameter and 13/32" collar for balanced handling and secure fastening

Professional Applications & Engineering Value

This 316 stainless steel flanged thumb nut delivers exceptional performance in demanding industrial environments where corrosion resistance and manual operation efficiency are critical. The knurled round head provides superior grip even with gloved hands, while the integrated flange design distributes clamping force evenly, preventing damage to mating surfaces. The 10-24 UNC coarse thread configuration ensures rapid installation and removal, making it ideal for applications requiring frequent adjustments or maintenance access. Engineered with full threading and Class 2B thread fit, this thumb nut maintains consistent performance in vibration-prone equipment, electrical enclosures, and marine applications where reliability cannot be compromised.

Specification Summary & Compliance

This thumb nut features precision 10-24 UNC coarse threading with Class 2B thread fit for optimal engagement and consistent performance. Manufacturing adheres to standard inch system specifications with collar diameter of 13/32", head diameter of 1/2", and overall height of 11/32". The product is fully compliant with REACH (EC 1907/2006) regulations and RoHS 3 (2015/863/EU) directives, ensuring environmental responsibility and global market acceptance for industrial applications.

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