S-95641A247 Length 1" Tapping Screws

Tapping Screws

0423FA00011 Tapping Screws
0423FA00011 Tapping Screws

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

Part No.
Part No. 0423FA00011
Equivalent to mcmaster :
95641A247

Basic Information

Tapping Screw Type A/AB
System of Measurement Inch

Head Parameters

Head Type Rounded
Head Diameter 0.373"
Head Height 0.11"
Rounded Head Profile Standard
Rounded Head Style Pan

Dimensions

Length 1"
Shank Cross Section Round

Thread Parameters

Screw Size No. 10
Thread Diameter 0.19"
Approximate Threads per Inch 12
Thread Direction Right Hand
Threading Fully Threaded

Tip & Drive Parameters

Tip Type Pointed
Drive Style Tri-Wing®
Drive Size No. 5
Drill Bit Size No. 21
Drill Bit Diameter 0.159"
Tapping Method Thread Forming

Material & Strength

Material 18-8 Stainless Steel

Temperature & Environment

For Use In Sheet Metal
REACH Compliant
RoHS Compliant

Installation & Application

Maximum Drilling Thickness 0.025"
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 18-8 stainless steel construction, ideal for harsh industrial environments
  • Enhanced tamper resistance and security through the specialized Tri-Wing® drive system
  • Reliable, high-strength threads created by the thread-forming design, eliminating the need for pre-tapped holes
  • Optimized for thin sheet metal with a maximum drilling thickness of 0.025", preventing material damage
  • Full-length threading ensures maximum grip and holding power across the entire fastener length
  • Pan head design provides a low-profile, finished appearance and good bearing surface
  • Compliance with major environmental regulations (RoHS 3, REACH) for safe, global industrial use

Professional Applications & Engineering Value

These No. 10 x 1" Tri-Wing® tapping screws are precision-engineered for demanding sheet metal applications. The 18-8 stainless steel material offers excellent resistance to rust and corrosion, which is critical in outdoor, marine, or chemically exposed industrial settings. The thread forming (Type A/AB) technology displaces material to create strong, clean internal threads without generating chips, making them perfect for assemblies where debris contamination is a concern. The combination of the Tri-Wing drive and the fully threaded, pointed tip design allows for faster installation, reduced operator fatigue, and a more secure, vibration-resistant joint in metal framing, HVAC systems, and electronic enclosures.

Specification Summary & Compliance

This screw features a No. 10 size with a 0.19" thread diameter and 12 threads per inch. The drive is a No. 5 Tri-Wing® and the head is a standard pan style with a 0.373" diameter. It is a right-hand threaded, fully threaded screw with a pointed tip, designed for use with a No. 21 drill bit (0.159" diameter). This product is manufactured to be RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant.

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