Hexagon Nuts

Hexagon Nuts – Fine Pitch

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Standard / drawing type Nominal size d

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Equivalent standards

Standard	Standard body

		Steel	Stainless steel	Non-ferrous metals
General technical requirements		GB/T 16938
Thread	Tolerances	6H
Thread	Standard	GB/T 193, GB/T 9145
Mechanical properties	Class	8mm≤D<16mm:6, 10(QT), 8(QT); 16mm<D≤39mm:8(QT), 6(QT); D > 39 mm: by agreement	D≤24mm:A2-70, A4-70; 24mm<D≤39mm:A2-50, A4-50; D > 39 mm: by agreement	CU2, CU3, AL4
Mechanical properties	Standard	GB/T 3098.2	GB/T 3098.15	GB/T 3098.10
Tolerances	Product grade	D ≤ M16: product grade A; D > M16: product grade B
Tolerances	Standard	GB/T 3103.1
Surface discontinuities		GB/T 5779.2	–
Surface treatment		No treatment; Electroplating requirements in accordance with GB/T 5267.1; Non-electrolytically applied zinc flake coating requirements in accordance with GB/T 5267.2; Hot-dip galvanizing requirements in accordance with GB/T 5267.3	Simple treatment; Passivation requirements in accordance with GB/T 5267.4	Simple treatment; Electroplating requirements in accordance with GB/T 5267.1
Surface treatment		Any other technical requirements or surface treatments shall be agreed between the purchaser and supplier.
Acceptance inspection and packaging		GB/T 90.1, GB/T 90.2
		QT — quenched and tempered

		Steel	Stainless steel	Non-ferrous metals
General technical requirements		GB/T 16938
Thread	Tolerances	6H
Thread	Standard	GB/T 193, GB/T 9145
Mechanical properties	Class	8 mm ≤ D ≤ 16 mm: property classes 6, 8 (QT) and 10 (QT) ; 16 mm < D ≤ 39 mm: property classes 6 (QT) and 8 (QT) ; D > 39 mm: by agreement	D≤24mm:A2-70, A4-70; 24mm<D≤39mm:A2-50, A4-50; D < 39 mm: by agreement	CU2, CU3, AL4
Mechanical properties	Standard	GB/T 3098.2	GB/T 3098.15	GB/T 3098.10
Tolerances	Product grade	D ≤ M16: product grade A; D > M16: product grade B
Tolerances	Standard	GB/T 3103.1
Surface discontinuities		GB/T 5779.2	–
Surface treatment		No treatment; Electroplating requirements in accordance with GB/T 5267.1; Non-electrolytically applied zinc flake coating requirements in accordance with GB/T 5267.2; Hot-dip galvanizing requirements in accordance with GB/T 5267.3	Simple treatment; Passivation requirements in accordance with GB/T 5267.4	Simple treatment; Electroplating requirements in accordance with GB/T 5267.1
Surface treatment		Any other technical requirements or surface treatments shall be agreed between the purchaser and supplier.
Acceptance inspection and packaging		GB/T 90.1, GB/T 90.2
		QT — quenched and tempered

Style 1 hexagon nuts for metric fine threads. Specify both diameter and pitch when requesting a quote so the nut matches the mating thread.

For a quote, share the required dimensions, finish and quantity.