S-95893A383 Length 3/4" Tapping Screws

Tapping Screws

0509FA00097 Tapping Screws
0509FA00097 Tapping Screws

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

Part No.
Part No. 0509FA00097
Equivalent to mcmaster :
95893A383

Basic Information

Tapping Screw Type TRS
System of Measurement Inch

Head Parameters

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

Dimensions

Length 3/4"
Shank Cross Section Tri-Lobe

Thread Parameters

Screw Size No. 8
Thread Diameter 0.164"
Approximate Threads per Inch 16
Thread Direction Right Hand
Threading Fully Threaded

Tip & Drive Parameters

Tip Type Blunt
Drive Style Torx
Drive Size T15
Drill Bit Size No. 23
Drill Bit Diameter 0.154"
Countersink Angle 82°
Tapping Method Thread Forming

Material & Strength

Material Black-Oxide Steel

Temperature & Environment

For Use In Plastic
REACH Compliant
RoHS Compliant
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 torque transmission with the Torx T15 drive, reducing cam-out and tool wear for reliable, high-torque installations.
  • Exceptional holding power in plastic due to the thread-forming TRS design and tri-lobe shank, which creates strong, vibration-resistant threads without pre-tapping.
  • Enhanced corrosion resistance provided by the black oxide steel finish, extending the fastener's service life in various industrial environments.
  • Streamlined, flush installation with the standard flat head and 82° countersink angle, ideal for applications requiring a smooth surface finish.
  • Reliable, full-length engagement from the fully threaded design and blunt tip, ensuring maximum thread contact and consistent clamping force.
  • Environmental and regulatory compliance, meeting RoHS 3 and REACH standards for safe, sustainable use in global markets.
  • Optimized for use with a standard No. 23 drill bit (0.154" diameter), simplifying the installation process and reducing assembly time.

Professional Applications & Engineering Value

Engineered for demanding plastic assembly applications, this No. 8-16 TRS tapping screw eliminates the need for pre-tapped holes, reducing labor and material costs. The thread-forming tri-lobe shank displaces plastic material to create strong, permanent internal threads with high resistance to vibrational loosening. The Torx T15 drive ensures maximum torque transfer, preventing stripping and enabling consistent installation in automated or high-volume production lines. Made from black oxide steel, it offers durability and mild corrosion resistance, making it a reliable choice for electronics enclosures, automotive trim, and consumer appliances where a flush flat head and 82° countersink are critical for aesthetics and safety.

Specification Summary & Compliance

This screw conforms to standard inch system dimensions: No. 8-16 thread (0.164" diameter, 16 TPI), 3/4" length, and a right-hand thread direction. It is designed as a thread-forming tapping screw (Type TRS) for use in plastics, requiring a No. 23 drill bit (0.154" diameter) for pilot holes. The product is manufactured to be RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, ensuring it meets stringent environmental and safety regulations for hazardous substances.

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