S-90822A670 Length 2 1/2" Tapping Screws

Tapping Screws

0459FA00050 Tapping Screws
0459FA00050 Tapping Screws

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

Part No.
Part No. 0459FA00050
Equivalent to mcmaster :
90822A670

Basic Information

Tapping Screw Type BSD
Screw Features Flanged
System of Measurement Inch

Head Parameters

Head Type Hex
Head Width 3/8"
Head Height 0.24"

Dimensions

Length 2 1/2"
Flange Diameter 0.52"
Shank Cross Section Round

Thread Parameters

Screw Size 1/4"
Thread Diameter 0.25"
Approximate Threads per Inch 14
Thread Direction Right Hand
Threading Fully Threaded

Tip & Drive Parameters

Tip Type Drilling
Drive Style External Hex
Drill Tip Type No. 3
Drill Tip Length 5/16"
Tapping Method Thread Forming

Material & Strength

Material 410 Stainless Steel

Temperature & Environment

For Use In Steel, Stainless Steel, Sheet Metal
REACH Compliant
RoHS Compliant

Installation & Application

Maximum Drilling Thickness 0.21"
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 410 Stainless Steel construction, ideal for harsh industrial environments
  • Efficient installation through thread-forming BSD design that creates strong, permanent threads without pre-tapping
  • Enhanced load distribution with integrated flange design, reducing surface pressure and preventing material damage
  • Direct drilling capability with specialized No. 3 tip that penetrates up to 0.21" thickness in steel and sheet metal
  • Secure fastening performance with fully threaded 1/4"-14 right-hand configuration for maximum grip length
  • High-torque application ready featuring external hex drive and 3/8" hex head for reliable installation with standard tools
  • Environmental compliance assurance meeting RoHS 3 and REACH standards for global industrial applications

Professional Applications & Engineering Value

These 410 Stainless Steel tapping screws deliver exceptional engineering value in demanding metal fabrication applications. The thread-forming BSD design eliminates the need for separate tapping operations, significantly reducing installation time while creating stronger, vibration-resistant threads in steel, stainless steel, and sheet metal substrates. The integrated flanged hex head provides superior clamping force distribution, preventing material distortion in thin-gauge applications. With the specialized drilling tip capable of penetrating 0.21" thickness, these screws streamline assembly processes in HVAC systems, electrical enclosures, and industrial equipment manufacturing where corrosion resistance and installation efficiency are critical.

Specification Summary & Compliance

This 1/4"-14 x 2-1/2" tapping screw features precision right-hand threads with 14 TPI configuration and fully threaded shank design. Manufactured to BSD thread-forming standards with external hex drive and 3/8" hex head dimensions. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring suitability for global industrial applications requiring strict material safety standards.

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