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Power Fittings DIN557 Class6 Cl8 HDG M16 Square Nuts

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Jiaxing City Qunbang Hardware Co., Ltd

City: jiaxing

Province/State:zhejiang

Country/Region:china

Tel:86-573-82071082

Contact Person:
Mr.Lance
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Power Fittings DIN557 Class6 Cl8 HDG M16 Square Nuts

Brand Name QBH
Model Number DIN557
Certification ISO9001
Place of Origin CHINA
Minimum Order Quantity 900KG
Payment Terms L/C, T/T
Delivery Time 30-60 days
Packaging Details 25kg Carton+900kg/Pallet
Price Negotiation
Supply Ability 200TON/MONTH
Standard DIN557
Size M5-M20
Surface treatment H.D.G
Grade 6 8
Sample Free Sample
Process Cold Forging
Packing 25kg Carton+900kg/Pallet
Material Carbon steel
Detailed Product Description

Power Fittings DIN557 Class6 Cl8 HDG M16 Square Nuts

 

Specification

 

Square Nuts Our expertise enables us to manufacture, export and supply a broad range of Square Nuts. Offered nuts are designed with high level of accuracy in tandem with the international standards. Manufactured using superior quality raw material with the help of advanced technology;

 

 

DIN 557 - Square Nuts

Current norm: DIN 557
Equivalent norms: CSN 021624; PN 82151; UNI 5597;

Legend:

m - height of the nut
d - the nominal diameter of the thread
s - size square
mw - height

Makings:QBH

Steel: 6  8
Stainless: A2, A4
Plastic: -
Non Ferrous: -
Thread: 7H

 

Table according to DIN 557:

dimensions in mm

Thread
size d
M5M6M8M10M12M16
P0,811,251,51,752
dwmin.6,78,711,514,515,516,517,222
emax.11,314,118,422,62425,426,933,9
min.9,9312,5316,3420,2421,5422,8424,0230,11
mNominal size max.456,581013
min.3,524,525,927,429,4212,3
mwmin.2,53,24,15,26,68,6
sNominal size max.810131617181924
min.7,649,6412,5715,5716,5717,5718,4823,16
weight
kg/1000pcs
1,312,775,510,71316,319,138,2

 

 

Process flow

 

Cold forging

Annealing treatment(if need) ➨ wiredrawing ➨ clod forging ➨ tapping ➨ make heat treatment(if need)FinishPacking

 

 

Product Grade

 

Class 6 and 8

 

 

Materials and Chemical compstition

 

1008

CHEMICAL COMPOSI %
CSiMnPSCrNiCuAl
0.060.060.330.0130.0030.0100.010.028

 

 

1035

CHEMICAL COMPOSI %
CSiMnPSCrNiCu
0.340.130.730.0120.0020.020.010.02

 

 

 

Finish

 

PLAIN ZP YZP BLACK HDG DACROMET GEOMET CHROME NICKEL AND SO ON

 

 

PACKING

 

QBH BULK

20-25KG/CTN,36CTNS/PALLET

20-30KG/BAGS,36BAGS/PALLET

ONE TON/BOXES

50KG/ IRON DRUM,12 IRON DRUMS/PALLET

 

 

QBH SMALL PACKING

Packing in small boxes according to customer’s requirements

Packing in plastic bag according to customer’s requirements

 

QBH PALLET TYPE

 

SOLID WOOD FUMIGATION PALLET

EURO Pallet

THREE SPLINT PALLET

WOODEN BOX

 

 

MECHANICAL PROPERTY

 

TESTING STANDARD:DIN267- 4 OR ISO898-2

SIZECLASS
0405
PROOF LOAD
N/mm2

HV
NUTPROOF LOAD
N/mm2

HV
NUT
minmaxHEAT TREATMENTTYPEminmaxHEAT TREATMENTTYPE
/M4380188302NOTHIN NUT500272353YESTHIN NUT
M4M7
M7M10
M10M16
M16M39
SIZECLASS
45
PROOF LOAD
N/mm2
HVNUTPROOF LOAD
N/mm2
HVNUT
minmaxHEAT TREATMENTTYPEminmaxHEAT TREATMENTTYPE
/M4/////520130302NO1
M4M7580
M7M10590
M10M16610
M16M39510117302NO1630146
SIZECLASS
68
PROOF LOAD
N/mm2
HVNUTPROOF LOAD
N/mm2
HVNUT
minmaxHEAT TREATMENTTYPEminmaxHEAT TREATMENTTYPE
/M4600150302NO1800180302NO1
M4M7670855200
M7M10680870
M10M16700880
M16M39720170920233353YES
SIZECLASS
89
PROOF LOAD
N/mm2
HVNUTPROOF LOAD
N/mm2
HVNUT
minmaxHEAT TREATMENTTYPEminmaxHEAT TREATMENTTYPE
/M4/////900170302NO2
M4M7915188
M7M10940
M10M16950
M16M39890180302NO2920
SIZECLASS
1012
PROOF LOAD
N/mm2
HVNUTPROOF LOAD
N/mm2
HVNUT
minmaxHEAT TREATMENTTYPEminmaxHEAT TREATMENTTYPE
/M41040272353YES11140295353YES1
M4M710401140
M7M1010401140
M10M1610501140
M16M391060/////
SIZECLASS 
12
PROOF LOAD
N/mm2
HVNUT
minmaxHEAT TREATMENTTYPE
/M41150272353YES2
M4M71150
M7M101160
M10M161190
M16M391200

 

 

The advantages of QBH

  •  QBH brand sales to the main quality assurance.
  •  Years of export trade management, excellent service, word-of-mouth guarantee.
  •  By working with TUV,escort for quality.
  •  Customization of non-standard parts can be made according to customer's requirements and drawings.
  •  For quality customers,we can provide a certain credit period.
     

Product application

 

Metric DIN 557 regular pattern square nuts are four sided nuts. Their geometry provides a greater surface area to apply higher torque when tightening and also a greater surface are in contact with the part being fastened, thereby increasing the resistance to loosening.

 

 

 

The engineering case

 

Bangladesh power facilities accessories project

 

 

 

 

Product Tags: DIN 557 M16 Square Nuts   Cl8 M16 Square Nuts   M5 Din 557 Square Nut Dimensions  
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