S-93791A411 6-32 x 5/16" ASME B18.3 Stainless Steel Hex Drive Flat Head Screws

Stainless Steel Hex Drive Flat Head Screws

0312FA00370 Stainless Steel Hex Drive Flat Head Screws
0312FA00370 Stainless Steel Hex Drive Flat Head Screws

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Part No.
Part No. 0312FA00370
Equivalent to mcmaster :
93791A411

Basic Information

System of Measurement Inch

Head Parameters

Head Type Flat
Head Diameter 0.307"
Head Height 0.097"
Flat Head Profile Standard

Dimensions

Length 5/16"

Thread Parameters

Thread Type UNC
Thread Size 6-32
Thread Diameter 0.138"
Thread Spacing Coarse
Thread Direction Right Hand
Thread Fit Class 3A
Threading Fully Threaded

Tip & Drive Parameters

Drive Style Hex
Drive Size 5/64"
Countersink Angle 82°

Material & Strength

Material 18-8 Stainless Steel
Finish Black-Oxide, Passivated
Hardness Rockwell B55
Tensile Strength 70000 psi

Temperature & Environment

REACH Compliant
RoHS Compliant
Specifications Met ASME B18.3
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 construction and black-oxide passivated finish, ideal for harsh industrial environments
  • Exceptional tensile strength of 70,000 psi ensures reliable, long-lasting fastening under high-stress conditions
  • Precision Class 3A thread fit provides secure engagement and reduces the risk of cross-threading during installation
  • 82° countersink angle allows for flush mounting in standard applications, enhancing aesthetic and functional integration
  • Hex drive design (5/64") offers superior torque transmission and slip-resistant installation
  • Coarse UNC threading enables quick assembly and strong holding power in various materials
  • Full compliance with ASME B18.3 standards and environmental regulations (RoHS 3, REACH) for guaranteed quality and safety

Professional Applications & Engineering Value

Engineered for demanding industrial applications, these 6-32 UNC flat head screws combine 18-8 stainless steel with a black-oxide passivated finish to deliver outstanding corrosion resistance, making them ideal for machinery, electronics, and outdoor equipment where moisture and chemicals are present. The Class 3A thread fit ensures precise, vibration-resistant connections, reducing maintenance needs and downtime. With a coarse thread design and hex drive, installation is swift and secure, even in tight spaces. These screws are perfect for applications requiring flush mounting and reliable performance in corrosive environments, providing long-term value and operational efficiency.

Specification Summary & Compliance

This product features a Class 3A thread fit with UNC coarse threading, ensuring high precision and compatibility. It meets ASME B18.3 specifications for dimensional accuracy and performance. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, it is free from hazardous substances, supporting environmental and workplace safety standards.

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