Hex Cap Gr5 1/2x1 fine thread

Category: Hardware & Fasteners

SKU: GRD5121

$0.64

In Stock · Midwest Builder & Supply — Iowa & Missouri

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Product Description

Grade 5 hex‑head cap screw, 1/2 in diameter × 1.00 in length, SAE fine UNF thread (1/2‑20). Medium‑carbon steel (SAE Grade 5) with zinc/plated finishes is the common commercial offering; manufactured to ASME B18.2.1 / SAE J429 tolerances and sold as individual cap screws (full‑thread or partial‑thread variants available). Use where SAE Grade 5 strength (typical tensile ~120,000 psi for 1/4"–1" diameters) and a 1/2‑20 fine thread are required; wrench size ≈ 3/4" across flats. Suggested competitive local resale price (Dayton, IA 50530): $0.65 each — based on current online wholesale and retail listings for 1/2‑20 × 1, Grade 5, zinc‑plated hex cap screws (see sources below).