Straight Flute Tap: 5/16-24 UNF, 4 Flutes, Plug, High Speed Steel, Bright/Uncoated MPN:C69120

Our premium hex head cap screws are designed for professional-grade applications in construction, manufacturing, and automotive industries where strong bolts are essential. Made of high-strength Grade 5 steel, these 7/8-9 x 6-inch hex screws offer superior strength and durability compared to conventional fasteners on the market. Zinc plated for resistance to corrosion, our cap screws provide a rust-free finish even in harsh environments. Ideal for threading into various materials like steel, cast iron or aluminum, this hex head bolt is suitable for a range of projects requiring torque-tension indication during assembly. Each fastener features precision machined threads and a hardened washer face under the head to reduce wobbling and ensure an even load distribution on the nut. Plus, their slotted drive design makes driving these bolts easy using standard hand tools or power tools without damaging the driver bit edge. With its premium strength and finish, this hex cap screw is your go-to bolt when security and longevity matter most!