S-94195A418 Length 2 1/2" Tapping Screws

Tapping Screws

0471FA00090 Tapping Screws
0471FA00090 Tapping Screws

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

Part No.
Part No. 0471FA00090
Equivalent to mcmaster :
94195A418

Basic Information

Tapping Screw Type BSD
System of Measurement Inch

Head Parameters

Head Type Flat
Head Diameter 0.312"
Head Height 0.1"
Flat Head Profile Standard

Dimensions

Length 2 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 410 Stainless Steel

Temperature & Environment

For Use In Steel, Stainless 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
In Stock
Price available upon request. Our sales team will respond within 24 hours with a competitive quote tailored to your requirements.
REQUEST A QUOTE
  • Fast delivery
  • Enjoy discounts on bulk purchases
  • Secure Payment
  • Fast Global Shipping

Key Features & Benefits at a Glance

  • Rapid installation with integrated drill tip that eliminates pre-drilling, saving labor time and costs in steel and sheet metal assemblies.
  • Superior corrosion resistance provided by 410 Stainless Steel construction, ensuring long-term reliability in demanding industrial environments.
  • Secure, flush-mount finish with a standard 82° flat head and Phillips drive, offering a clean appearance and reduced snagging risk.
  • High thread engagement through fully threaded right-hand BSD thread forming design, creating strong, vibration-resistant connections in metal substrates.
  • Optimized for 0.1" thick materials with a No. 2 drill tip length, delivering precise penetration and consistent performance in sheet metal and steel applications.
  • Broad material compatibility for use in steel, stainless steel, and sheet metal, providing versatile fastening solutions across various projects.
  • Regulatory peace of mind with full compliance to RoHS 3 and REACH, meeting stringent international environmental and safety standards.

Professional Applications & Engineering Value

These self-drilling tapping screws are precision-engineered to address common industrial fastening challenges, such as time-consuming pre-drilling and joint failure under vibration. The 410 Stainless Steel material offers excellent strength and rust resistance, ideal for outdoor or corrosive settings. The thread forming (BSD) design and fully threaded shank ensure maximum pull-out resistance and load distribution in steel, stainless steel, and sheet metal applications. The Phillips flat head with an 82° countersink allows for a smooth, flush installation, reducing assembly steps and improving workflow efficiency in HVAC, metal fabrication, and machinery assembly.

Specification Summary & Compliance

This No. 8-18 x 2-1/2" screw features a 0.164" thread diameter with 18 TPI right-hand threads, conforming to standard thread forming (BSD) specifications for reliable performance. The flat head profile and Phillips No. 2 drive ensure consistent installation torque. The product is manufactured to meet RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance, adhering to environmental and health regulations for industrial fasteners.

🔍
Cancel