S-91500A084 2-56 x 1/4" ASME B18.6.3 Stainless Steel Phillips Flat Head Screws
Stainless Steel Phillips Flat Head Screws
Image may differ from product. See technical specification for details.
Basic Information
Head Parameters
Dimensions
Thread Parameters
Tip & Drive Parameters
Material & Strength
Temperature & Environment
- Fast delivery
- Enjoy discounts on bulk purchases
- Secure Payment
- Fast Global Shipping
Key Features & Benefits at a Glance
- Superior corrosion resistance in harsh environments thanks to 316 stainless steel construction with passivated finish
- Reliable high-strength performance with 70,000 psi tensile strength and Rockwell B80 hardness for demanding applications
- Precision thread fit with Class 2A UNC coarse threads ensuring secure fastening and vibration resistance
- Easy installation and flush mounting with standard 82° countersink angle and Phillips No. 1 drive
- Full regulatory compliance meeting ASME B18.6.3 specifications, RoHS 3, and REACH standards
- Versatile fully threaded design providing maximum grip length and holding power in 1/4" length
- Consistent dimensional accuracy with standardized flat head profile for reliable industrial assembly
Professional Applications & Engineering Value
This 316 stainless steel flat head screw with passivated finish delivers exceptional corrosion resistance in challenging environments including marine, chemical processing, and outdoor applications. The UNC coarse thread design with Class 2A fit ensures rapid installation and superior vibration resistance, while the 82° countersink angle provides flush mounting for streamlined assemblies. Engineered to ASME B18.6.3 standards, these Phillips drive machine screws offer reliable performance in electronic enclosures, machinery, and industrial equipment where corrosion prevention and structural integrity are critical. The combination of 70,000 psi tensile strength and full threading maximizes load distribution and prevents loosening under stress.
Specification Summary & Compliance
This 2-56 UNC flat head Phillips machine screw features Class 2A thread fit with coarse thread spacing and right-hand threading. Manufactured to ASME B18.6.3 specifications with standard flat head profile dimensions (0.162" head diameter, 0.051" head height). Fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and regulatory adherence for industrial applications worldwide.
