S-94195A330 Length 1 1/4" Tapping Screws

Tapping Screws

0471FA00031 Tapping Screws
0471FA00031 Tapping Screws

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

Part No.
Part No. 0471FA00031
Equivalent to mcmaster :
94195A330

Basic Information

Tapping Screw Type BSD
System of Measurement Inch

Head Parameters

Head Type Flat
Head Diameter 0.477"
Head Height 0.153"
Flat Head Profile Standard

Dimensions

Length 1 1/4"
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 Phillips
Drive Size No. 3
Drill Tip Type No. 3
Drill Tip Length 5/16"
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 0.21"
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 self-drilling tip that penetrates up to 0.21" thickness in steel and sheet metal
  • Superior corrosion resistance through 410 stainless steel construction for extended service life in demanding environments
  • Enhanced driving efficiency with Phillips No. 3 drive that provides secure torque transfer and reduces cam-out
  • Optimal flush installation featuring standard 82° countersink angle and flat head design for smooth surface finishes
  • Maximum thread engagement through fully threaded design that ensures superior holding power in assembled components
  • Reliable thread formation using BSD thread forming technology that creates strong, precise threads in base materials
  • Compliance assurance meeting RoHS 3 and REACH environmental standards for global industrial applications

Professional Applications & Engineering Value

These 1/4"-14 thread forming tapping screws deliver exceptional engineering value by solving critical assembly challenges in steel, stainless steel, and sheet metal applications. The 410 stainless steel construction provides excellent corrosion resistance while maintaining high strength requirements. The integrated self-drilling tip (No. 3 drill type) eliminates the time-consuming pre-drilling process, significantly reducing installation time and labor costs in high-volume production environments. The BSD thread forming design creates precise, strong threads without generating chips, making these flat head Phillips drive screws ideal for electrical enclosures, HVAC systems, metal framing, and industrial equipment assembly where vibration resistance and long-term reliability are paramount.

Specification Summary & Compliance

These self-drilling tapping screws feature precise 1/4"-14 thread with right-hand direction and fully threaded shank design. The flat head configuration includes 0.477" diameter with standard profile and 82° countersink angle for proper seating. Manufactured to BSD tapping screw standards with thread forming tapping method, these fasteners demonstrate compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring they meet international requirements for industrial use in restricted substance management.

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