When the required length is not represented by a standard SKU row, 9/16-12 gives purchasing a diameter-level path into the square-head category.

Typical applications include retrofit work where the mating hole, flat, or seat determines the point style. Half Dog, Full Dog, Cone, Oval, and Flat points are the ordering paths for this square-head series. External wrench access is useful when an internal socket recess would be hard to keep clear.

Cold Headers supports legacy square-head set screw requests where exact size and point selection matter more than generic substitution. Review the selected point, wrench clearance, and mating feature before substitution. Point selection should reflect the shaft feature, acceptable marking, and expected service adjustment.

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: 9/16-12 (UNC)
• Thread Fit: 2A (per ASME B18.6.2)
• Width Across Flats (F): 0.562 / 0.545 in. (max/min)
• Across Corners (G): 0.795 / 0.748 in. (max/min)
• Head Height (H): 0.437 / 0.407 in. (max/min)
• Dimensional Standard: ASME B18.6.2

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