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12-28 x 4 Alloy Steel Socket Head Cap Screw is specified when a machine assembly needs a high-strength alloy steel socket screw with predictable head and drive geometry. The size callout supports replacement sourcing without changing the specified size when repair inventories cannot accept a substitute fastener. Applications often include precision assemblies, packaging machinery, and robotics, especially where counterbored or close-clearance mounting is required. The dimensional highlights make the listing more useful for maintenance shops and industrial distribution teams. This exact size supports industrial hardware, repair, and production requirements. Technical Highlights Material: Alloy Steel Thread: 12-28 Length: 4 in. Nominal Body Diameter: .215 in. Head Diameter: 0.337 in. min / 0.344 in. max Head Height: 0.211 in. min / 0.215 in. max Hex Key Size: 5/32 Drive Type: Internal hex socket Call 773-775-7900 or email Sales@coldheaders.com for pricing, availability, or a quote.
Unit of Measure

Specifications

Brands

N/A Cold Headers, Inc.

Diameter

N/A 12-28

Length

N/A 4 in

Material

N/A Alloy Steel

Quantity

N/A 100

Package Type

N/A Box

Search

N/A ASSHCS.12-28.4