GB /T 17880.4 - 1999 120°small Countersunk Head Riveted Nuts

Unit: 毫米(mm)

Thread Size
D

P	Pitch
d	Nominal Size
	max
	min
d₁	min=nominal size (H12)
d₁	max
d_k	max
k
r
d₀	min=nominal size
d₀	max
h₁	Ref.

0.5	0.7	0.8
5	6	7
4.97	5.97	6.97
4.9	5.9	6.9
4.0	4.8	5.6
4.12	4.92	5.72
6.5	8.0	9.0
0.35	0.5	0.6
0.2	0.2	0.2
5	6	7
5.15	6.15	7.15
5.8	7.5	9.3

L₁,Ref.

Recommended riveting range (h)

per 1000 units ≈ kg(7.85kg/cm3)

Thread Length
b

①,b = (1.25 ~ 1.5)D
②,a° determined by the manufacturer
④,L（max）

GB /T 17880.1 - 1999

Flat Head Riveted Nuts
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GB /T 17880.2 - 1999

90° Countersunk Head Riveted Nuts
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GB /T 17880.3 - 1999

90° Small Countersunk Head Riveted Nuts
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GB /T 17880.5 - 1999

Flat Head Hexagon Riveted Nuts
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Q 372

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UNI 9201 - 1988

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SJ 2509 - 1984

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Flat Head Knurled Body

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Reduce Head Knurled Plain Body Steel

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Countersunk Head Knurled Plain Body Steel

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Flat Head Threaded Tubular Hexagon Blind Riveted Nuts
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Changde Bolt Hardware Products Co., Ltd.
Contact:	Mr. Wu
Cellphone：	+86-13507365068
email：	wu@cdbolt.com
Material: aluminum, low carbon steel, 304; Surface treatment: Color zinc plating, blue & white zinc, black zinc, trivalent chromium; Nominal diameter: M3-M12; Nominal length: 8.5-30mm

Guangzhou KML Hardware Co., Ltd.
Contact:	Ren Yonghui
Cellphone：	86-18027324588
QQ：	694985170
email：	694985170@qq.com
Material: stainless steel 304、 316、 carbon steel, aluminum alloy, copper； Specifications：M3-M12