S-99926A126 10-24 x 1" Stainless Steel Hex Drive Flat Head Screws

Stainless Steel Hex Drive Flat Head Screws

0312FA00430 Stainless Steel Hex Drive Flat Head Screws
0312FA00430 Stainless Steel Hex Drive Flat Head Screws

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Part No.
Part No. 0312FA00430
Equivalent to mcmaster :
99926A126

Basic Information

System of Measurement Inch

Head Parameters

Head Type Flat
Head Diameter 0.411"
Head Height 0.084"
Flat Head Profile Undercut

Dimensions

Length 1"

Thread Parameters

Thread Type UNC
Thread Size 10-24
Thread Diameter 0.19"
Thread Spacing Coarse
Min Thread Length 0.88"
Thread Direction Right Hand
Thread Fit Class 3A
Threading Partially Threaded

Tip & Drive Parameters

Drive Style Hex
Drive Size 3/32"
Countersink Angle 100°

Material & Strength

Material 18-8 Stainless Steel
Finish Passivated
Hardness Rockwell B70
Tensile Strength 70000 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

  • Superior corrosion resistance with 18-8 Stainless Steel and Passivated finish for long-lasting performance in harsh environments.
  • Exceptional tensile strength of 70,000 psi ensures reliable, high-load fastening for demanding industrial applications.
  • Precision Class 3A thread fit guarantees consistent, secure engagement and reduces the risk of cross-threading during assembly.
  • Optimized flush mounting with a 100° countersink angle and undercut flat head profile for a smooth, professional finish.
  • Enhanced drive stability using a 3/32" hex drive, providing superior torque transmission and reduced cam-out risk.
  • Durable material hardness at Rockwell B70 maintains structural integrity under repeated stress and vibration.
  • Regulatory compliance assurance with RoHS 3 and REACH, meeting strict environmental and safety standards for global industrial use.

Professional Applications & Engineering Value

These 10-24 UNC Flat Head Screws are engineered to address critical fastening challenges in industrial settings where reliability and precision are paramount. The 18-8 Stainless Steel construction, combined with a Passivated finish, provides excellent resistance to corrosion and oxidation, making them ideal for machinery, electronic enclosures, and outdoor equipment exposed to moisture or chemicals. The Class 3A thread fit and coarse thread spacing ensure quick, secure installation with minimal risk of stripping, while the partial threading and undercut flat head design allow for precise countersinking in materials like metal and hard plastics. This combination delivers consistent clamping force, vibration resistance, and long-term durability, reducing maintenance needs and downtime in heavy-duty fastening applications.

Specification Summary & Compliance

This screw adheres to UNC thread standards with a Class 3A thread fit for high precision and tight tolerances. Key dimensions include a 1" length, 10-24 thread size, 0.19" thread diameter, and minimum thread length of 0.88". Manufacturing complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and material restrictions are met for industrial and commercial use.

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