S-94195A363 Length 3/4" Tapping Screws

Tapping Screws

0471FA00040 Tapping Screws
0471FA00040 Tapping Screws

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

Part No.
Part No. 0471FA00040
Equivalent to mcmaster :
94195A363

Basic Information

Tapping Screw Type BSD
System of Measurement Inch

Head Parameters

Head Type Flat
Head Diameter 0.212"
Head Height 0.067"
Flat Head Profile Standard

Dimensions

Length 3/4"
Shank Cross Section Round

Thread Parameters

Screw Size No. 4
Thread Diameter 0.112"
Approximate Threads per Inch 24
Thread Direction Right Hand
Threading Fully Threaded

Tip & Drive Parameters

Tip Type Drilling
Drive Style Phillips
Drive Size No. 1
Drill Tip Type No. 2
Drill Tip Length 5/32"
Countersink Angle 82°
Tapping Method Thread Forming

Material & Strength

Material 18-8 Stainless Steel

Temperature & Environment

For Use In Aluminum, Sheet Metal
REACH Compliant
RoHS Compliant

Installation & Application

Maximum Drilling Thickness 0.08"
Technical Drawings No drawings available at the moment, will be launched soon
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Key Features & Benefits at a Glance

  • Superior corrosion resistance with 18-8 stainless steel construction, ensuring long-term reliability in harsh industrial environments.
  • Efficient thread forming technology creates strong, permanent threads in aluminum and sheet metal without pre-drilling, reducing installation time and labor costs.
  • Optimized drilling performance with a No. 2 drill tip that penetrates up to 0.08" maximum thickness, providing secure fastening in thin materials.
  • Secure flush mounting thanks to the standard flat head profile with 82° countersink angle, preventing snagging and ensuring a smooth surface finish.
  • Reliable drive engagement from the Phillips No. 1 drive style, minimizing cam-out and enabling consistent torque application during installation.
  • Full-length threading offers maximum grip and holding power along the entire 3/4" length, enhancing joint integrity in vibration-prone applications.
  • Regulatory compliance assurance with RoHS 3 and REACH standards, meeting international environmental and safety requirements for industrial components.

Professional Applications & Engineering Value

This No. 4-24 x 3/4" stainless steel tapping screw is specifically engineered to address common challenges in aluminum and sheet metal fabrication. The thread forming design eliminates the need for separate tapping operations, reducing assembly steps and potential alignment issues. Made from 18-8 stainless steel, it provides excellent resistance to oxidation and chemical exposure, crucial for outdoor equipment, electronic enclosures, and HVAC systems. The 82° countersink angle and flat head profile ensure seamless integration into panels without protrusion, while the fully threaded shank and drilling tip work together to prevent material distortion in thin-gauge applications. This combination of features delivers reliable performance in automotive trim, machinery guards, and architectural metalwork where vibration resistance and corrosion protection are paramount.

Specification Summary & Compliance

This BSD type tapping screw maintains precise dimensional accuracy with a 0.112" thread diameter and 24 threads per inch in right-hand thread configuration. The flat head features a 0.212" diameter and 0.067" height with standard profile. Manufacturing complies with industry standards for thread forming screws and demonstrates full conformity to RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across global markets.

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