DIN6923 Hex Flange Nut with Serration Carbon Steel Class6/8/10 Black/Zinc M5-M20 used Mechanical equipment, bicycles

Place of Origin CHINA
Brand Name QBH
Certification ISO9001
Model Number DIN6923
Minimum Order Quantity 900kg
Price 1000USD/TON
Packaging Details 25kg Carton+900kg/Pallet or 5KG/CTN
Delivery Time 30days
Payment Terms L/C, T/T
Supply Ability 200TON/MONTH
Product Details
Material Carbon Steel Size M5-M20
Surface Treatment Plain,Zinc,Black,YZP Grade 6/8/10
Process Cold Forging Sample Free Sample
Packaging 25kg Carton+900kg/Pallet
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Product Description

FLANGE NUTS. Flange nuts are hex nuts with a bottom circular flange that is larger than their top hex section. There are two types commonly available: flange lock nuts, which are prevailing torque type lock nuts, and serrated flange nuts, which are free spinning but have a serrated bearing surface to grip the mating surface.

 

 

 

Specification

DIN 6923 - Hexagon nuts with flange

Current norm: DIN EN 19661
Equivalent norms: ISO 4161; EU 1661;

 

DIN6923 Hex Flange Nut with Serration Carbon Steel  Class6/8/10 Black/Zinc M5-M20  used Mechanical equipment, bicycles 0

Legend:

s - size of the hexagon
e - the diameter of the circumscribed circle (not less than)
m - height of the nut
d - the nominal diameter of the thread
dc - outer diameter of the ring
dw - contact surface diameter
r - radius

Makings:

Steel:6, 8, 10
Stainless: A2  A4
Plastic: -
Non Ferrous: -
Thread: 6G

Notes:

 

Table according to DIN 6923:

dimensions in mm

Thread size d M5 M6 M8 M10 M12 M14 M16 M20
- - M8x1 M10x1,25 M12x1,5 M14x1,5 M16x1,5 M20x1,5
- - - (M10x1) (M12x1,5) - - -
P 0,8 1 1,25 1,5 1,75 2 2 2,5
c min. 1 1,1 1,2 1,5 1,8 2,1 2,4 3
da min. 5 6 8 10 12 14 16 20
max. 5,75 6,75 8,75 10,8 13 15,1 17,3 21,6
dc max. 11,8 14,2 17,9 21,8 26 29,9 34,5 42,8
dw min. 9,8 12,2 15,8 19,6 23,8 27,6 31,9 39,9
e min. 8,79 11,05 14,38 16,64 20,03 23,36 26,75 32,95
m max. 5 6 8 10 12 14 16 20
min. 4,7 5,7 7,6 9,6 11,6 13,3 15,3 18,9
min. 2,2 3,1 4,5 5,5 6,7 7,8 9 11,1
s nominal=max. 8 10 13 15 18 21 24 30
min. 7,78 9,78 12,73 14,73 17,73 20,67 23,67 29,67
r max. 0,3 0,36 0,48 0,6 0,72 0,88 0,96 1,2

 

 

 

 

 

Process flow

 

Cold forging

 

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

 

 

Product Grade

 

 

Class 6 Class 8 Class 10

 

 

Materials and Chemical compstition

 

1008

CHEMICAL COMPOSI %
C Si Mn P S Cr Ni Cu Al
0.06 0.06 0.33 0.013 0.003 0.01 0 0.01 0.028

 

 

1035

CHEMICAL COMPOSI %
C Si Mn P S Cr Ni Cu
0.34 0.13 0.73 0.012 0.002 0.02 0.01 0.02

 

 

1045

CHEMICAL COMPOSI %
C Si Mn P S Cr Ni Cu
0.45 0.23 0.58 0.014 0.006 0.057 0.008 0.016

 

 

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

SIZE CLASS
04 05
PROOF LOAD
N/mm2

HV
NUT PROOF LOAD
N/mm2

HV
NUT
min max HEAT TREATMENT TYPE min max HEAT TREATMENT TYPE
/ M4 380 188 302 NO THIN NUT 500 272 353 YES THIN NUT
M4 M7
M7 M10
M10 M16
M16 M39
SIZE CLASS
4 5
PROOF LOAD
N/mm2
HV NUT PROOF LOAD
N/mm2
HV NUT
min max HEAT TREATMENT TYPE min max HEAT TREATMENT TYPE
/ M4 / / / / / 520 130 302 NO 1
M4 M7 580
M7 M10 590
M10 M16 610
M16 M39 510 117 302 NO 1 630 146
SIZE CLASS
6 8
PROOF LOAD
N/mm2
HV NUT PROOF LOAD
N/mm2
HV NUT
min max HEAT TREATMENT TYPE min max HEAT TREATMENT TYPE
/ M4 600 150 302 NO 1 800 180 302 NO 1
M4 M7 670 855 200
M7 M10 680 870
M10 M16 700 880
M16 M39 720 170 920 233 353 YES
SIZE CLASS
8 9
PROOF LOAD
N/mm2
HV NUT PROOF LOAD
N/mm2
HV NUT
min max HEAT TREATMENT TYPE min max HEAT TREATMENT TYPE
/ M4 / / / / / 900 170 302 NO 2
M4 M7 915 188
M7 M10 940
M10 M16 950
M16 M39 890 180 302 NO 2 920
SIZE CLASS
10 12
PROOF LOAD
N/mm2
HV NUT PROOF LOAD
N/mm2
HV NUT
min max HEAT TREATMENT TYPE min max HEAT TREATMENT TYPE
/ M4 1040 272 353 YES 1 1140 295 353 YES 1
M4 M7 1040 1140
M7 M10 1040 1140
M10 M16 1050 1140
M16 M39 1060 / / / / /
SIZE CLASS  
12
PROOF LOAD
N/mm2
HV NUT
min max HEAT TREATMENT TYPE
/ M4 1150 272 353 YES 2
M4 M7 1150
M7 M10 1160
M10 M16 1190
M16 M39 1200

 

 

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

 

The high-strength nut DIN 6923 is used in machine and automobile construction, instrument making, national economy for reliable fastening of units and structural elements together with other metric fasteners. The nut has a hexagonal head and a flat flange with notches.

Benefits

  • DIN 6923 Nuts are Hexagonal Flange Nuts.
  • It is a guarantee of high reliability of installation.
  • Simplifies and speeds up the workflow.
  • Can be used in conditions of limited installation.
  • Provides not only a strong connection, but also does not allow its deformation.
  • It is made of high-strength steel, therefore it is designed for a long service life.
  • Capable of withstanding high operational loads.
  • Thanks to galvanized coating and unique properties of the material, the product is well tolerated by the effects of high temperatures, high humidity in the air, high acidity.

Analogues

  • GOST 50592, ISO 4161, 10663.

Operation

  • Used in conjunction with various fasteners.