S-94058A550 Length 2 1/2" Tapping Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with zinc-plated 410 stainless steel construction for extended service life in harsh environments
• Efficient self-drilling installation with integrated No. 3 drill tip that penetrates up to 0.21" thick materials without pre-drilling
• Reliable sealing performance through integrated stainless steel/rubber washers that prevent leakage and moisture ingress
• High-strength thread forming design creates stronger mating threads in stainless steel and sheet metal applications
• Secure external hex drive provides maximum torque transmission and prevents stripping during installation
• Full threading ensures consistent holding power along the entire 2½" length for superior fastening integrity
• Industrial-grade durability with BSD screw type specification for demanding mechanical fastening applications

Professional Applications & Engineering Value

These 1/4"-14 thread forming tapping screws deliver exceptional engineering value in stainless steel and sheet metal applications where corrosion resistance and structural integrity are paramount. The zinc-plated 410 stainless steel construction provides superior protection against environmental degradation, while the integrated sealing washer system prevents fluid penetration and maintains joint integrity. The external hex drive and fully threaded design ensure reliable installation and maximum pull-out resistance, making these BSD tapping screws ideal for HVAC systems, industrial equipment, and structural assemblies requiring durable, maintenance-free fastening solutions.

Specification Summary & Compliance

Manufactured to precise inch system specifications with Class 2A thread tolerances and right-hand threading. These thread forming screws comply with industrial fastening standards for BSD tapping screw types and feature fully threaded 1/4"-14 configuration with 3/8" hex head dimensions. The construction meets material specifications for 410 stainless steel with zinc plating and incorporates flat washers with 5/8" outer diameter. Compliant with RoHS and REACH environmental standards for industrial fastener applications.