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Prevailing Torque Hex Nut ISO 7042 — 20 — 5 — Steel — None (as processed)

00024CApprovedStandard
Std. ref: ISO 7042Std. designator: Not documentedESX designator: ESX-ISO7042-20-5-ST-PL

Prevailing torque all-metal hexagon high nut, per ISO 7042, thread M20.

Engineering Attributes

Dimensions

Bearing Face Diameter27.7 min mm
Nominal Diameter20 mm
Nut Height20.3 (0/-1.30) mm
Width Across Corners32.95 min mm
Width Across Flats30 (0/-0.84) mm
Wrenching Height13.52 min mm

Material

MaterialSteel (ISO 898-1)
Finish / SurfaceNone (as processed)
Insert MaterialNone

External interface

Thread SizeM20×2.5
Locking FeatureYes
Thread TypeMetric coarse (M)

Internal properties

Unit Weight71.24 ± 9.69 g
Load DirectionTensile (axial pull)
Property Class5

15 attributes

Interchangeability

No interchangeability relationships agreed yet.

2 parts are detected as substitutable for this one from the standard's own interchange rule — listed under Functional alternates below. A detection is computed on every read; a relationship here is one a party has agreed to.

Technical data is provided as-is and must be independently verified before use. Terms

Pricing & Availability

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Functional alternates

2

Same dimensions and material, so they fit the same place. They differ in strength class, coating or tolerance — check the requirement before substituting.

The last 3 columns show the fields that differ from this item (Nut type · Bearing face diameter · Flange diameter). Values in blue differ; grey values match this item.

CodeItemStandardNut typethis item: All-metal prevailing torque (ISO 7042)Bearing face diameterthis item: 27.7 min mmFlange diameterthis item: —
00024CPrevailing Torque Hex Nut ISO 7042 — 20 — 5 — Steel — None (as processed)this itemISO 7042All-metal prevailing torque (ISO 7042)27.7 min mm—
000284Prevailing Torque Hex Flange Nut ISO 7044 — 20 — 8 — None (as processed)also differs in: Flange diameter limit, Flange thickness, Height tolerance, Nut height, Nut height tolerance, Od limit, Strength grade property class, Wrenching heightISO 7044All-metal prevailing torque flange nut39.9 min mm42.8 mm
0002HAPrevailing Torque Hex Flange Nut ISO 7044 — 20 — 9 — None (as processed)also differs in: Flange diameter limit, Flange thickness, Height tolerance, Nut height, Nut height tolerance, Od limit, Strength grade property class, Wrenching heightISO 7044All-metal prevailing torque flange nut39.9 min mm42.8 mm