S-94209A145 10-24 x 1" Tapping Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with zinc-plated steel construction, extending service life in demanding industrial environments
• Enhanced torque transmission and reduced cam-out with Torx Plus IP25 drive system for reliable, high-torque installations
• Optimized material displacement through Tri-Lobe shank design creates stronger, more secure threads in soft metals
• Excellent thread-forming capability in aluminum, brass, and copper applications without requiring pre-tapped holes
• Secure fastening performance with UNC coarse threading providing superior holding power in soft substrates
• Precision length control with tight tolerance (-0.03" to 0") ensures consistent installation depth and assembly quality
• Environmental compliance assurance meeting RoHS 3 and REACH regulations for global market acceptance

Professional Applications & Engineering Value

These zinc-plated steel tapping screws deliver exceptional engineering value in aluminum, brass, and copper applications where traditional fastening methods fall short. The thread forming design eliminates the need for separate tapping operations, significantly reducing assembly time and labor costs in high-volume production environments. The Tri-Lobe shank cross-section strategically displaces material during installation, creating stronger, more reliable threads that resist vibration loosening and maintain clamping force under dynamic loads. Combined with the Torx Plus drive system, these fasteners prevent tool slippage and damage to drive features, ensuring consistent installation torque and reducing rework in precision assemblies. The UNC coarse thread configuration provides optimal performance in softer materials, making these screws ideal for electrical enclosures, HVAC components, and machinery assemblies requiring durable, maintenance-free fastening solutions.

Specification Summary & Compliance

This 10-24 thread forming screw features precision UNC coarse threading with standard Class 2A tolerance, ensuring reliable engagement in pre-drilled holes using No. 21 drill bit (0.159" diameter). The fastener maintains dimensional accuracy with length tolerance of -0.03" to 0" and incorporates a pan head style with Torx Plus IP25 drive for optimal torque transmission. Manufacturing and material compliance includes full adherence to RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, making these screws suitable for global industrial applications requiring certified components.