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The 4/40 UNC thread size and 1/4 inch length are ideal for light to medium-duty fastening tasks where precise alignment and clean assembly are required
Bulk pack of 125 pieces supports consistent procurement and inventory planning
ready-to-use fastening for metal-to-metal assemblies
The Phillips drive ensures easy installation with common hand or power tools
The combination of durable steel and corrosion-resistant black zinc ensures long-lasting performance in a variety of environments
1/4"-20 X 1/2" Machine Screws | Oval Head | Slotted Drive | Steel Zinc Plated (4000/Pkg.) No. 4 The 4/40 UNC thread sizeDesigned for secure, long lasting fastening, these Machine Screws Slotted Oval Zinc Plated 1 4 20 X 1 2 combine a durable slotted oval head with a zinc finish for corrosion resistance. The 1 4 20 UNC thread and 1 2 inch length make them a versatile choice for metal to metal, metal to wood, and electronics assemblies. Key Features Head type: Slotted Oval Drive: Slotted Finish: Zinc Plated Material: Steel Thread: 1 4 20 UNC Length: 1 2 inch
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