S-90184A374 Length 3/4" Tapping Screws

Tapping Screws

0403FA00038 Tapping Screws
0403FA00038 Tapping Screws

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

Part No.
Part No. 0403FA00038
Equivalent to mcmaster :
90184A374

Basic Information

Type Rounded
Tapping Screw Type A/AB
System of Measurement Inch

Head Parameters

Head Diameter 0.373"
Head Height 0.133"
Rounded Head Profile Standard
Rounded Head Style Pan

Dimensions

Length 3/4"
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 Phillips
Drive Size No. 2
Drill Bit Size No. 21
Drill Bit Diameter 0.159"
Tapping Method Thread Forming

Material & Strength

Material 316 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

  • Exceptional corrosion resistance with 316 stainless steel material, ideal for harsh environments and extended service life in industrial settings.
  • Superior holding power through thread forming technology, creating secure, vibration-resistant threads in sheet metal without pre-tapping.
  • Efficient installation with Phillips No. 2 drive and pointed tip, allowing for quick, straightforward driving and reduced assembly time.
  • Full threading design ensures maximum grip along the entire shank length, providing reliable fastening in thin materials up to 0.025" thickness.
  • Pan head profile offers a low-profile, rounded finish that sits flush against surfaces, minimizing snagging and improving safety.
  • Compliance with environmental standards including RoHS 3 and REACH, ensuring safe, regulated use in global industrial applications.
  • Optimized for sheet metal with A/AB tapping screw type and recommended No. 21 drill bit, delivering precise, clean thread formation.

Professional Applications & Engineering Value

This 316 stainless steel tapping screw is engineered to address common challenges in sheet metal fabrication, such as material fatigue and corrosion in demanding conditions. The thread forming design eliminates the need for pre-threaded holes, reducing labor and tooling costs while preventing metal shavings. With a Phillips drive and fully threaded shank, it ensures consistent clamping force and resists loosening under vibration, making it ideal for HVAC systems, electronic enclosures, and automotive assemblies. The pan head provides a secure, low-profile fit, enhancing both aesthetic and functional integrity in industrial fastening applications.

Specification Summary & Compliance

This screw adheres to standard inch measurements with a No. 10 thread diameter, 3/4" length, and right-hand threading. It meets thread forming specifications for Type A/AB tapping screws, ensuring precise fit with a No. 21 drill bit (0.159" diameter). The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, guaranteeing environmental safety and suitability for industrial use.

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