Equipment reference / Denco Flanged and hex nut size labels

Denco Flanged and hex nut size labels

Compare the five zinc-plated nut listings by nominal size and form. Exact thread pitch and load capacity are not supplied.

US source scopeReference updated 2026-09-12

Identification details & limits

Reference identifier: Denco Flanged and hex nut size labels. Compare each listed detail with the exact product and the source document. Do not submit a personal serial number or access code to this website.

Denco hardware source: GDH 37CNFSOZProduct title, exact supplier SKU and Description · checked 2026-09-12 · Denco
Denco hardware source: GDH FG58Product title, exact supplier SKU and Description · checked 2026-09-12 · Denco
Denco hardware source: GDH FG40Product title, exact supplier SKU and Description · checked 2026-09-12 · Denco
Denco hardware source: GDH HN66Product title, exact supplier SKU and Description · checked 2026-09-12 · Denco
Denco hardware source: GDH HN58Product title, exact supplier SKU and Description · checked 2026-09-12 · Denco

Identification and scope details from the cited sources; each row retains its source locator.
Nuts, 3/8″ Flanged	GDH 37CNFSOZ Denco hardware source: GDH 37CNFSOZProduct detail title and exact supplier SKU · checked 2026-09-12 · Denco
Details for GDH 37CNFSOZ	Flanged nut has a 3/8-inch size designation and zinc plating. Denco hardware source: GDH 37CNFSOZProduct detail title and Description list · checked 2026-09-12 · Denco
Limits for GDH 37CNFSOZ	No thread pitch, grade or load capacity is supplied. Matching a nominal bolt size alone is not proof of compatibility. Denco hardware source: GDH 37CNFSOZProduct detail scope and omitted specifications · checked 2026-09-12 · Denco
Nuts, 5/16″ Flanged	GDH FG58 Denco hardware source: GDH FG58Product detail title and exact supplier SKU · checked 2026-09-12 · Denco
Details for GDH FG58	Flanged nut has a 5/16-inch size designation and zinc plating. Denco hardware source: GDH FG58Product detail title and Description list · checked 2026-09-12 · Denco
Limits for GDH FG58	No thread pitch, grade or load capacity is supplied. Matching a nominal bolt size alone is not proof of compatibility. Denco hardware source: GDH FG58Product detail scope and omitted specifications · checked 2026-09-12 · Denco
Nuts, 1/4″ Flanged	GDH FG40 Denco hardware source: GDH FG40Product detail title and exact supplier SKU · checked 2026-09-12 · Denco
Details for GDH FG40	Flanged nut has a 1/4-inch size designation and zinc plating. Denco hardware source: GDH FG40Product detail title and Description list · checked 2026-09-12 · Denco
Limits for GDH FG40	No thread pitch, grade or load capacity is supplied. Matching a nominal bolt size alone is not proof of compatibility. Denco hardware source: GDH FG40Product detail scope and omitted specifications · checked 2026-09-12 · Denco
Nuts, 3/8″ Hex	GDH HN66 Denco hardware source: GDH HN66Product detail title and exact supplier SKU · checked 2026-09-12 · Denco
Details for GDH HN66	Hex nut has a 3/8-inch size designation and zinc plating. Denco hardware source: GDH HN66Product detail title and Description list · checked 2026-09-12 · Denco
Limits for GDH HN66	No thread pitch, grade or load capacity is supplied. Matching a nominal bolt size alone is not proof of compatibility. Denco hardware source: GDH HN66Product detail scope and omitted specifications · checked 2026-09-12 · Denco
Nuts, 5/16″ Hex	GDH HN58 Denco hardware source: GDH HN58Product detail title and exact supplier SKU · checked 2026-09-12 · Denco
Details for GDH HN58	Hex nut has a 5/16-inch size designation and zinc plating. Denco hardware source: GDH HN58Product detail title and Description list · checked 2026-09-12 · Denco
Limits for GDH HN58	No thread pitch, grade or load capacity is supplied. Nominal size alone does not prove bolt compatibility. Denco hardware source: GDH HN58Product detail scope and omitted specifications · checked 2026-09-12 · Denco

Sources & review dates

Denco hardware source: GDH 37CNFSOZDenco · US · checked 2026-09-12
Denco hardware source: GDH FG58Denco · US · checked 2026-09-12
Denco hardware source: GDH FG40Denco · US · checked 2026-09-12
Denco hardware source: GDH HN66Denco · US · checked 2026-09-12
Denco hardware source: GDH HN58Denco · US · checked 2026-09-12

This independent reference preserves the source’s stated scope. It does not report an Anderson installation inspection, product test or safety clearance.

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The cited sources define the product details shown here; comparison does not establish fitment. Anderson’s repair service covers its listed Connecticut communities; this national reference does not imply nationwide service.