S-93846A116 Length 1/2" Tapping Screws

Tapping Screws

0474FA00006 Tapping Screws
0474FA00006 Tapping Screws

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

Part No.
Part No. 0474FA00006
Equivalent to mcmaster :
93846A116

Basic Information

Tapping Screw Type BSD
System of Measurement Inch

Head Parameters

Head Type Oval
Head Diameter 0.312"
Head Height 0.152"
Oval Head Profile Standard
Oval Top Height 0.091"

Dimensions

Length 1/2"
Shank Cross Section Round

Thread Parameters

Screw Size No. 8
Thread Diameter 0.164"
Approximate Threads per Inch 18
Thread Direction Right Hand
Threading Fully Threaded

Tip & Drive Parameters

Tip Type Drilling
Drive Style Phillips
Drive Size No. 2
Drill Tip Type No. 2
Drill Tip Length 7/32"
Countersink Angle 82°
Tapping Method Thread Forming

Material & Strength

Material 18-8 Stainless Steel

Temperature & Environment

For Use In Steel, Sheet Metal
REACH Compliant
RoHS Compliant

Installation & Application

Maximum Drilling Thickness 0.1"
Technical Drawings No drawings available at the moment, will be launched soon
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Key Features & Benefits at a Glance

  • Eliminates pre-drilling requirements with integrated No. 2 drill tip that penetrates up to 0.1" thickness in steel and sheet metal
  • Superior corrosion resistance provided by 18-8 Stainless Steel construction for extended service life in demanding environments
  • Secure, flush-mount installation achieved through the standard oval head design with 82° countersink angle
  • Enhanced driving efficiency with Phillips No. 2 drive that reduces cam-out and improves torque transfer
  • Reliable thread formation through BSD thread forming design that creates strong, permanent threads in base materials
  • Full-length threading ensures maximum grip and holding power across the entire screw length
  • Compliance with global standards including RoHS 3 and REACH for environmentally responsible manufacturing

Professional Applications & Engineering Value

These No. 8 x 1/2" stainless steel tapping screws deliver exceptional engineering value by solving critical installation challenges in steel and sheet metal applications. The combination of 18-8 Stainless Steel material and thread forming design eliminates the need for separate tapping operations, significantly reducing assembly time and labor costs. The precision drilling tip penetrates materials up to 0.1" thick without pre-drilling, preventing material displacement and ensuring clean, secure fastening. The oval head with Phillips drive provides both aesthetic appeal and practical installation benefits, creating flush surfaces while resisting cam-out during high-torque applications. These BSD tapping screws are engineered for manufacturing environments where corrosion resistance, installation efficiency, and long-term reliability are paramount.

Specification Summary & Compliance

These tapping screws feature precision No. 8 thread diameter with approximately 18 threads per inch in right-hand thread direction. The fully threaded design ensures consistent engagement while the standard oval head profile with 0.312" diameter provides optimal countersinking capability. Manufactured to industry standards for thread forming screws, these fasteners comply with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, making them suitable for global industrial applications requiring strict material compliance and safety standards.

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