When a threaded component must be seated with external wrench access, 3/4-10 x 3/4 provides the traditional square head set screw format.

Typical applications include construction machinery where large wrench flats are easier to clean and grip. The five-point structure lets the same square-head size serve locating, bearing, and seating requirements. Flat points bear against a machined flat without intentional penetration into the mating surface.

Cold Headers keeps the record focused on usable engineering details so buyers can compare the callout against drawings and service notes. The family runs UNC coarse thread throughout, the traditional square-head series. Cone points are typically chosen for a spot-drilled seat when a more fixed location is desired.

Technical Highlights

• Head: Square, wrench-driven
• Material: Low Carbon Steel, Case Hardened
• Point Styles: Half Dog, Full Dog, Cone, Oval, Flat (specify at order)
• Thread Size: 3/4-10 (UNC)
• Thread Fit: 2A (per ASME B18.6.2)
• Length: 3/4 in.
• Width Across Flats (F): 0.750 / 0.729 in. (max/min)
• Across Corners (G): 1.060 / 1.001 in. (max/min)
• Head Height (H): 0.582 / 0.544 in. (max/min)
• Dimensional Standard: ASME B18.6.2

Call 773-775-7900 or email Sales@coldheaders.com for pricing, availability, or a quote.