ISO4161 304 316 Grade A4-70 M20 Stainless Steel Nut

Place of Origin CHINA
Brand Name QBH
Certification ISO9001
Model Number DIN6923
Minimum Order Quantity 500KG
Price 2600USD/TON
Packaging Details 25kg Carton+900kg/Pallet or 5KG/CTN
Delivery Time 15DAYS
Payment Terms L/C, T/T,OA
Supply Ability 200TON/MONTH
Product Details
Material 304,316 Size M5-M20
Grade A2-70 A2-80 A4-70 A4-80 Process Cold Forging
Standard ISO4161 Type Precision Nonstandard Parts(OEM Service),cone Flange Nut Ss304
Packing Carton Box And Kraft Box,suit For Shipping Or According To Requirement,Poly Bag+cartons Or According Customers Request.,Product Bulk In Plastic Bag Carton Box Wood Pallet Sample Free Sample Can Be Sent For Test
Oem Welcome,According To Your Request,Accept Head Type Hex
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ISO4161 Stainless Steel Nut

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M20 Stainless Steel Nut

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M5 Serrated Flange Lock Nut

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Product Description

ISO4161 304 316 Grade A4-70 M20 Stainless Steel Nut

 

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

ISO4161- Hexagon nuts with flange

Current norm: DIN EN 19661
Equivalent norms: DIN6923; EU 1661;

 

 

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:QBH

MATERIAL:304 316
Stainless: A2  A4
Plastic: -
Non Ferrous: -
Thread: 6G

Notes:

 

Table according to ISO4161:

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

 

 

ISO4161 304 316 Grade A4-70 M20 Stainless Steel Nut 0

 

 

Process flow

 

Cold forging

 

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

 

 

Product Grade

 

 

Grade A2-70 A2-80  Grade A4-70 A4-80

 

 

Materials and Chemical compstition

 

CHEMICAL COMPOSI(% )
Type C Si Mn P S Ni Cr Mo Cu
201Cu 0.08 1.00 7.5-10 0.06 0.03 4.00-6.00 14.0-17.0   2.0-3.0
201 0.15 1.00 8.50 0.06 0.03 3.50-5.50 16.0-18.0    
202 0.15 1.00 7.5-10 0.06 0.03 4.00-6.00 17.0-19.0    
301 0.15 1.00 2.00 0.045 0.03 5.00-8.00 16.0-18.0    
302 0.15 1.00 2.00 0.045 0.03 8.00-10.0 17.0-19.0    
XM7
(302HQ)
0.08 1.00 2.00 0.045 0.03 8.50-10.5 17.0-9.00   3.0-4.0
303 0.15 1.00 2.00 0.20 ≥0.15 8.00-10.0 17.0-19.0 ≤0.60  
304 0.07 1.00 2.00 0.035 0.03 8.00-10.0 18.0-20.0    
304HC 0.08 1.00 2.00 0.045 0.03 8.00-10.0 17.0-19.0   1.0-3.0
304M 0.08 1.00 2.00 0.045 0.03 8.50-10.0 18.0-20.0    
316 0.08 1.00 2.00 0.045 0.03 10.0-14.0 16.0-18.0 2.0-3.0  
316L
(12Ni)
0.03 1.00 2.00 0.045 0.03 12.0-15.0 16.0-18.0 2.0-3.0  
316L
(10Ni)
0.03 1.00 2.00 0.045 0.03 10.0-14.0 16.0-18.0 2.0-3.0  
321 0.08 1.00 2.00 0.045 0.03 9.00-13.0 17.0-19.0   Ti≤5*C%
2520 0.08 1.00 2.00 0.035 0.03 19.0-22.0 24.0-26.0    

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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

6boxes/CTN,36CTNS/PALLET

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

 

 

 

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.