S-93848A147 Length 1 1/4" Tapping Screws

Tapping Screws

0474FA00026 Tapping Screws
0474FA00026 Tapping Screws

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

Part No.
Part No. 0474FA00026
Equivalent to mcmaster :
93848A147

Basic Information

Tapping Screw Type BSD
System of Measurement Inch

Head Parameters

Head Type Oval
Head Diameter 0.362"
Head Height 0.176"
Oval Head Profile Standard
Oval Top Height 0.102"

Dimensions

Length 1 1/4"
Shank Cross Section Round

Thread Parameters

Screw Size No. 10
Thread Diameter 0.19"
Approximate Threads per Inch 16
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 5/16"
Countersink Angle 82°
Tapping Method Thread Forming

Material & Strength

Material Black-Oxide Steel

Temperature & Environment

For Use In Steel, Sheet Metal
REACH Compliant
RoHS Compliant

Installation & Application

Maximum Drilling Thickness 0.175"
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 Black Oxide Steel coating for extended service life in demanding industrial environments
  • Efficient installation through self-drilling No. 2 tip design that eliminates pre-drilling requirements
  • Secure fastening in steel and sheet metal using thread forming technology that creates stronger, vibration-resistant connections
  • Clean, finished appearance with standard oval head profile that sits flush with material surfaces
  • Reliable drive engagement with Phillips No. 2 drive system for consistent torque application
  • Maximum material penetration capability drilling through up to 0.175" thickness in steel applications
  • Environmental compliance assurance meeting RoHS 3 and REACH standards for sustainable manufacturing

Professional Applications & Engineering Value

These Black Oxide Steel thread forming screws deliver exceptional performance in steel and sheet metal fabrication where traditional fastening methods fall short. The No. 2 drill tip combined with thread forming technology creates permanent, high-strength threads in parent material without chip formation, eliminating the need for separate tapping operations. The 82° countersink angle and oval head design provide a flush finish that enhances both aesthetics and safety in exposed applications. Engineered for industrial reliability, these BSD type tapping screws maintain consistent 16 threads per inch precision throughout the 1-1/4" length, ensuring uniform load distribution and resistance to vibrational loosening in demanding mechanical assemblies.

Specification Summary & Compliance

This No. 10-16 thread forming screw features precision 0.19" thread diameter with fully threaded shank and standard oval head profile measuring 0.362" diameter. Manufactured to exacting dimensional standards with right-hand threading and round shank cross-section for consistent performance. Fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across industrial sectors while maintaining maximum drilling thickness capability of 0.175" in steel applications.

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