Product Description
Descriptions DIN EN 1661 FLANGE NUTS
Hex Flange Lock 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
DIN 6923 - Hexagon nuts with flange
Current norm: DIN EN 19661
Equivalent norms: ISO 4161; 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:
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 |
| m´ | 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 |
FAQ
1.What's your experience like?
Our general manager has been engaged in the export of fasteners since 2005.
Our team can provide you with professional fasteners selling and smooth export services.
2.How about your price?
High quality products with reasonable price. Please give me a inquire, We will quoted you a price for you
refer at once.
3. How do you control your quality?
We require the quality control department to inspect every production link of each shipment. And we can provide you MTC and mill certificate when the goods is finished.
4. Could you provide free samples?
For new customer, We can provide free samples for standard fastener, But the clients will pay the express
charges. For old customer, We will send you free samples and pay express charges by ourself.
5. Do you accept small order?
QBH company can accept small orders if we have them in stock.Generally speaking,the stock probability of stainless steel fasteners is higher than that of carbon steel fasteners.
6. How about your delivery time
What we pursure is the high efficiency movement pattern,the stainless steel fastener delivery time about 15days,the carbon steel fastener will it about 30days
