Shanghai Jian & Mei Industry and Trade Co., Ltd Contact: Mrs.Xarella Huang Tel: 0086-21-33328690-8058 Fax: 0086-21-68413263 Email: jminfo@jm-industry.com Add: Rm.27202, No.295 South Lingyan Road, Pudong,Shanghai,P.R.C, Code:200126 Website: http://www.jm-industry.com

1. Stress
under
proof
load
Sp
Stress
under
proof
load Sp
Stress
under
proof
load Sp
Stress
under
proof
load Sp
greater
than
less than or
equal to
N/mm2
min max state style N/mm2
min max state style N/mm2
min max state style N/mm2
min max state style
- M4 900 170 1040 1140 1150
M4 M7 915 1040 1140 1150
M7 M10 940 1040 1140 1180
M10 M16 950 1050 1170 1190
M16 M39 920 1060 - - - - - 1200
Remark
Class
Thread
9
Property class
12
Vickers
hardness
HV
Nut
Vickers
hardness HV
Nut
Vickers
hardness HV
Nut
Vickers
hardness
HV
Nut
302 NQT 2
10
272
QT 1
353 QT 1
295
6 8
DIN898-2 Nut Head marking
272 353 QT 2
353
1) NQT=Not quenched or tempered
2) QT=Quenched or tempered
DIN898-2 Nut Mechanical Properties
Head
Marking
04 05 10 124 5
188
/ / /
The value-added source for quality bolts, nuts, screw, washers and other industrial fasteners & hardwares
Shanghai Jian & Mei Industry and Trade Co.,Ltd Tel:0086-21 33328690
E-mial: info@jm-industry.com Fax:021-68413263