S-90275A626 3/8"-16 x 1 1/4" ASME B18.6.3 Steel Slotted Flat Head Screws
Steel Slotted Flat Head Screws
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Basic Information
Head Parameters
Dimensions
Thread Parameters
Tip & Drive Parameters
Material & Strength
Temperature & Environment
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Key Features & Benefits at a Glance
- Superior corrosion resistance with zinc-plated steel construction, extending service life in demanding environments
- High tensile strength of 60,000 PSI ensures reliable fastening under heavy loads and vibration
- Rockwell B70 hardness provides excellent wear resistance and prevents thread deformation
- Fully threaded design offers maximum grip length and uniform stress distribution
- 82° countersink angle enables flush mounting for clean, professional finishes
- Class 2A thread fit guarantees easy assembly while maintaining secure connections
- Slotted drive style allows for quick installation with standard tools
Professional Applications & Engineering Value
These 3/8"-16 UNC flat head screws deliver exceptional performance in industrial applications where flush mounting and high strength are critical. The zinc-plated steel construction provides reliable corrosion protection for machinery, equipment assemblies, and structural components exposed to harsh conditions. The coarse thread design ensures rapid installation and superior holding power in wood, metal, and composite materials. With fully threaded coverage and 82° countersink angle, these screws create seamless surfaces while distributing stress evenly across the joint. Engineered to meet ASME B18.6.3 specifications, they provide consistent dimensional accuracy and reliable performance in automotive, construction, and manufacturing applications where vibration resistance and long-term durability are essential.
Specification Summary & Compliance
This flat head screw features 3/8"-16 UNC coarse threads with Class 2A thread fit for precise dimensional tolerance. Manufacturing complies with ASME B18.6.3 standards ensuring consistent quality and performance. The product meets RoHS 3 (2015/863/EU) compliance and REACH (EC 1907/2006) regulations for environmental safety. Additional specifications include 1-1/4" length, right-hand thread direction, and slotted drive style for compatibility with standard installation tools.
