DIN 603 - 2017 Cup Head Square Neck Bolts

Unit: 毫米(mm)

Thread Size
d

P	Pitch
b	L≤125
	125＜L≤200
	L＞200
d_k	max
d_k	min
d_s	max
d_s	min
k₁	max
k₁	min
k	max
k	min
r₁	≈
r₂	max
r₃	max
s	max
s	min

0.8	1	1.25
16	18	22
22	24	28
/	/	41
13.55	16.55	20.65
12.45	15.45	19.35
5	6	8
4.52	5.52	7.42
4.1	4.6	5.6
2.9	3.4	4.4
3.3	3.88	4.88
2.7	3.12	4.12
10.7	12.6	16
0.5	0.5	0.5
0.75	0.9	1.2
5.48	6.48	8.58
4.52	5.52	7.42

per 1000 units ≈ kg(7.85kg/cm3)

Thread Length
b

①,Material: a)Steel, Strength class: 4.6,4.8,8.8 Standard DIN EN ISO 898-1 b)Stainless steel, Strength class: A2-70,A4-70 Standard DIN EN ISO 3506-1

GB /T 14 - 2013

Mushroom Head Square Neck Bolts

GB /T 14 - 1998

Cup head square neck bolts with large head

GB /T 14 - 1988

Cup Head Square Bolts With Large Head - Grade C

GB 14 - 1976

Cup head square neck bolts with large head

DIN 603 - 2010

Mushroom head square neck bolts
Suppliers(3)

DIN 603 - 1981

Mshroom head square neck bolts
Suppliers(3)

DIN 11015 - 1995

Agricultural Machinery - Flat Countersunk Square Neck Bolts With Short Square

ISO 8677 - 1986

Cup Head Square Neck Bolts With Large Head-Product Grade C

JIS B 1171 (AT1) - 1996

Cup head square neck bolts（Large size）[Table 1]

Q 192B

Cup head square neck bolts with large head

ASME/ANSI B 18.5 - 2012

Step Bolts,(Inch Series)

ASME/ANSI B 18.5 - 2008

Step Bolts

ASME/ANSI B 18.5.2.3M - 1998

Metric round head square neck bolts with large head

UNI 5732 - 1965

Cup square bolts with hexagon nut - ISO metric coarse thread - Finish C

UNI 5731 - 1965

Cup square bolts and bolts with square nut - ISO metric coarse thread - Finish C

NF E 27-351 - 1969

Round Head Square Neck Bolts - JAPY Type

BS 4933 - 1973

Metric Cup Square Bolts

CNS 4424 - 1981

Cup Square Bolts

CNS 4425 - 1981

Cup Square Bolts With Enlarged Head For Looms

CNS 4574 - 1981

Cover Bolts Type A

GOST 7802 - 1981

Increased cup head square shoulder bolts, product grade C

ASME B 18.5 - 2012 (2017)

Step Bolts,(Inch Series)

Suzhou Yongchuang Fastener Factory
Contact:	Mr. Tang
Cellphone：	+86-15298892886
QQ：	546348066
email：	syjgjsz@163.com
Material: stainless steel, carbon steel; Nominal diameter: M1-M14; Nominal length: 5-400mm

NingBo ZhenHai Guisi Zhaoyang Hardware Screw Factory
Contact:	Mr.Fang
Cellphone：	+86-13806639241
QQ：	2881819532
email：	2881819532@qq.com fhl@zyfastener.cn
Material: carbon steel; Specifications: M5-M24; Length: 20mm~250mm;Surface treatment: nature, black, galvanized, rohs, hot galvanized, dacromet; Grade: 4.8~12.9

Ningbo SiTuo Fastener Co., Ltd
Contact:	Petty Cao
Cellphone：	86-15381997760
email：	silany_1122@163.com
Material: carbon steel, stainless steel; Grade: 4.8, 8.8, 10.9, 12.9; Surface treatment: according to customer requirements; Complete specifications, non-standard customization.

GB	GB /T 14
ISO	ISO 8677
DIN	DIN 603
ASME/ANSI	ANSI/ASME B 18.5.2.3M
UNI	UNI 5732
NF	NF E 27-351
Some of the above standards may be approximate equivalent. If there is any objection, the standard original shall prevail.