S-96612A250 Length 1/2" Tapping Screws

Tapping Screws

0420FA00010 Tapping Screws
0420FA00010 Tapping Screws

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

Part No.
Part No. 0420FA00010
Equivalent to mcmaster :
96612A250

Basic Information

Tapping Screw Type A/AB
System of Measurement Inch

Head Parameters

Head Type Rounded
Head Diameter 0.361"
Head Height 0.101"
Rounded Head Profile Standard
Rounded Head Style Button

Dimensions

Length 1/2"
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 Tamper-Resistant Hex
Drive Size 5/32"
Drill Bit Size No. 21
Drill Bit Diameter 0.159"
Tapping Method Thread Forming

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
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Key Features & Benefits at a Glance

  • Enhanced Security: Tamper-resistant hex drive prevents unauthorized removal, ideal for public or high-security applications.
  • Superior Holding Power: Thread forming design creates strong, permanent threads in sheet metal, eliminating the need for nuts and reducing assembly time.
  • Optimized for Thin Materials: Specifically engineered for use in materials up to 0.025" thick, providing reliable fastening without stripping or damaging the host material.
  • Smooth, Low-Profile Finish: Rounded button head style minimizes snagging and provides a clean, finished appearance.
  • Durable & Corrosion Resistant: Manufactured to high standards, ensuring long-term performance and reliability in demanding industrial environments.
  • Streamlined Installation: Pointed tip and fully threaded design allow for easy starting and quick, straightforward driving into pre-drilled pilot holes.
  • Environmental Compliance: Meets RoHS 3 and REACH regulations, making them safe for use in environmentally conscious projects and global markets.

Professional Applications & Engineering Value

This No. 10 sheet metal tapping screw is engineered to solve common fastening challenges in thin-gauge materials. Its thread forming (Type A/AB) technology displaces material to create robust, zero-clearance threads, which significantly increases resistance to vibration loosening compared to traditional machine screws. The tamper-resistant hex drive is crucial for securing HVAC systems, electronic enclosures, and public fixtures where vandalism is a concern. The rounded button head provides a secure, low-profile clamp without sharp edges, protecting wires and users. Designed for a No. 21 drill bit (0.159" diameter), it ensures a precise fit in sheet metal up to 0.025" thick, preventing material deformation and ensuring a tight, reliable hold that lasts the lifetime of the assembly.

Specification Summary & Compliance

This screw conforms to standard inch system dimensions: No. 10 screw size with a 0.19" thread diameter and 12 threads per inch. It is fully threaded with a right-hand thread direction and a pointed tip for easy initiation. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring it is free of hazardous substances and suitable for use in regulated industries.

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