A high strength structural bolting assembly for preloading, the en 14399-6 washer is a chamfered washer. Earlier, we referred to these washers as high strength structural bolting assemblies. A washer with chamfering had a symmetrical slope along its edge.
The en 14399 6 washer m20 fastener is made of hot-dip galvanised steel. The fastener is to be treated by immersion in zinc or by covering the alloy with zinc during hot dip galvanization. Zinc is renowned for providing strong fasteners and superior corrosion resistance. The en 14399 6 washer m24 has a hardness value that ranges from 300 HV to 370 HV. These High strength screw connections are preloaded for metal construction and meet DIN EN 14399-6 standards.
Using preloaded assemblies with the en 14399 6 washer m24 has some advantages, such as preventing bolt loosing from vibrations and improving fatigue performance. In addition to providing these two advantages, the en 14399 6 washer m42 are renowned for their rigidity in fastener joint joints. There is therefore no service decline. The tensile strength of the fasteners (or the property class used to manufacture these fasteners) used in the preloaded assembly, the extent to which the fasteners have been strained or undergone extended strain during the installation, as well as the tightening process, all affect how slip resistant this en 14399 6 washer standard is.
Due to the usage of clearance holes in these fasteners, the DIN 14399-6 washer has a tolerance for manufacture or installation. Due to the market availability of preloaded assemblies in sizes M24 and M30, property class 8.8 for these assemblies is typically employed in bridgework. The en 14399-6 washer has few drawbacks, but there are a few things to keep in mind while installing these preloaded assemblies, such as how challenging it can be to make sure that all the fasteners have been appropriately pre-loaded.
| Product name | EN 14399-6 Washer |
|---|---|
| Standard | EN 14399-6 |
| Place of Origin | India |
| DIN Standard | DIN 6916 |
|
Passivation /plain |
| EN 14399-6 Washers Finishing | Hop Dip Galvanized (HDG) phosphorization, Zinc Plated (Yellow, White, Blue, Black), Geomet, Black Oxide, anodization, Dacroment, Zinc-Nickel plated, Nickel plated, Tin Plated, Brass Plated, Copper Plated, Black Plated, Salt fog test, Gold Plated |
| Size of EN 14399-6 Washer | M2 – M100 |
| Application of EN 14399-6 Washer | Nuclear power, Wind tower, Automotive industry, Railway, Electronic, Construction industry, |
| EN 14399-6 Washers Dimensions | ASME B18.6.3 *Exception: screws 6 inches and shorter are fully threaded. |
| Drive Style | Type I |
| Material of EN 14399-6 Washers | stainless steel ss 304/ SS316 A2/A4, 18-8 Stainless Steel, SS303, SS201, SS316, SS304, SS904L, SS316L, A4-70; A2-70; A4-80 |
| Thread Requirements | UNC & UNF, ASME B1.1, Class 2A (Fastenal will inspect and accept parts with a 1A no-go gauge) |
| Finish | Per ASTM A380/A380M |
| Production technology | Cold Forged |
| Manufacturing Process | Cold Heading, Wire Drawing, Heat Treatment, Insert tapping, Inspection, Packing, Surface Plating |
| Surface treatment of EN 14399-6 Washer |
|
| MOQ | 10 pieces |
| Delivery time | custom product will according to special requirement, Regular product is about 7-15 days |
| Others | OEM, ODM, ±0.03MM tolerance |
| Coatings | Cadmium, Black Oxide, Teflon, Galvanized, Zinc, Xylan, Others Upon Request |
| Tolerance of EN 14399-6 Washer | +/-0.01mm to +/-0.05mm |
| Samples | Yes |
| Payment Terms | Paypal, T/T,Western Union, L/C or Trade Assurance 30% deposit & balance before shipping |
NOM SIZE |
Inner Dia (d) Basic Tol (+) |
Outer Dia (d1) Max |
WIDTH (b) Basic Tol (+ or -) |
THICKNESS (S) Basic Tol (+ or -) |
Weight per 1000 in Kgs |
|||
3 |
3.1 |
0.3 |
6.2 |
1.3 |
0.1 |
0.8 |
0.1 |
0.11 |
4 |
4.1 |
0.3 |
7.6 |
1.5 |
0.1 |
0.9 |
0.1 |
0.18 |
5 |
5.1 |
0.3 |
9.2 |
1.8 |
0.1 |
1.2 |
0.1 |
0.36 |
6 |
6.1 |
0.4 |
11.8 |
2.5 |
0.15 |
1.6 |
0.1 |
0.83 |
8 |
8.1 |
0.4 |
14.8 |
3 |
0.15 |
2 |
0.1 |
1.60 |
10 |
10.2 |
0.5 |
18.1 |
3.5 |
0.2 |
2.2 |
0.15 |
2.53 |
12 |
12.2 |
0.5 |
21.1 |
4 |
0.2 |
2.5 |
0.15 |
3.82 |
14 |
14.2 |
0.5 |
24.1 |
4.5 |
0.2 |
3 |
0.15 |
6.01 |
16 |
16.2 |
0.8 |
27.4 |
5 |
0.2 |
3.5 |
0.2 |
8.91 |
18 |
18.2 |
0.8 |
29.4 |
5 |
0.2 |
3.5 |
0.2 |
9.73 |
20 |
20.2 |
1 |
33.6 |
6 |
0.2 |
4 |
0.2 |
15.20 |
22 |
22.5 |
1 |
35.9 |
6 |
0.2 |
4 |
0.2 |
16.50 |
24 |
24.5 |
1 |
40 |
7 |
0.25 |
5 |
0.2 |
26.20 |
27 |
27.5 |
1 |
43 |
7 |
0.25 |
5 |
0.2 |
28.70 |
30 |
30.5 |
1.2 |
48.2 |
8 |
0.25 |
6 |
0.2 |
44.30 |
33 |
33.5 |
1.2 |
55.2 |
10 |
0.25 |
6 |
0.2 |
63.00 |
36 |
36.5 |
1.2 |
58.2 |
10 |
0.25 |
6 |
0.2 |
67.30 |
39 |
39.5 |
1.2 |
61.2 |
10 |
0.25 |
6 |
0.2 |
71.70 |
42 |
42.5 |
1.2 |
68.2 |
12 |
0.25 |
7 |
0.25 |
111.00 |
45 |
45.5 |
1.2 |
71.2 |
12 |
0.25 |
7 |
0.25 |
117.00 |
48 |
49 |
1.5 |
75 |
12 |
0.25 |
7 |
0.25 |
123.00 |
52 |
53 |
1.5 |
83 |
14 |
0.25 |
8 |
0.25 |
320.00 |
Size |
USS |
SAE |
||||
|---|---|---|---|---|---|---|
Inside Diameter (A) |
Outside Diameter (B) |
Thickness (C) |
Inside Diameter (A) |
Outside Diameter (B) |
Thickness (C) |
|
#2 |
- |
- |
- |
3/32" |
1/4" |
0.020" |
#4 |
- |
- |
- |
1/8" |
5/16" |
0.032" |
#6 |
- |
- |
- |
5/32" |
3/8" |
0.049" |
#8 |
- |
- |
- |
3/16" |
7/16" |
0.049" |
#10 |
- |
- |
- |
7/32" |
1/2" |
0.049" |
#12 |
- |
- |
- |
1/4" |
9/16" |
0.065" |
1/4" |
5/16" |
0.734" |
0.065" |
9/32" |
5/8" |
0.065" |
5/16" |
3/8" |
7/8" |
0.083" |
11/32" |
11/16" |
0.065" |
3/8" |
7/16" |
1" |
0.083" |
13/32" |
13/16" |
0.065" |
7/16" |
1/2" |
1-1/4" |
0.083" |
15/32" |
15/16" |
0.065" |
1/2" |
9/16" |
1-3/8" |
0.109" |
17/32" |
1-1/16" |
0.095" |
9/16" |
5/8" |
1-15/32" |
0.109" |
19/32" |
1-5/32" |
0.095" |
5/8" |
11/16" |
1-3/4" |
0.134" |
21/32" |
1-5/16" |
0.095" |
3/4" |
13/16" |
2" |
0.148" |
13/16" |
1-15/32" |
0.134" |
7/8" |
15/16" |
2-1/4" |
0.165" |
15/16" |
1-3/4" |
0.134" |
1" |
1-1/16" |
2-1/2" |
0.165" |
1-1/16" |
2" |
0.134" |
1-1/8" |
1-1/4" |
2-3/4" |
0.165" |
- |
- |
- |
1-1/4" |
1-3/8" |
3" |
0.165" |
- |
- |
- |
1-3/8" |
1-1/2" |
3-1/4" |
0.180" |
- |
- |
- |
1-1/2" |
1-5/8" |
3-1/2" |
0.180" |
- |
- |
- |
1-5/8" |
1-3/4" |
3-3/4" |
0.180" |
- |
- |
- |
1-3/4" |
1-7/8" |
4" |
0.180" |
- |
- |
- |
2" |
2-1/8" |
4-1/2" |
0.213" |
- |
- |
- |
Bolt Size
|
USS
|
SAE
|
||||
OD (in.)
|
ID (in.)
|
Thickness
|
OD (in.)
|
ID (in.)
|
Thickness
|
|
1/8 (#6)
|
-
|
-
|
-
|
0.375
|
0.156
|
.036/.065
|
5/32 (#8)
|
-
|
-
|
-
|
0.438
|
0.188
|
.036/.065
|
3/16 (#10)
|
0.560
|
0.250
|
.036/.065
|
0.500
|
0.220
|
.036/.065
|
7/32 (#12)
|
-
|
-
|
-
|
0.562
|
0.250
|
.051/.080
|
1/4 (#14)
|
0.734
|
0.312
|
.051/.080
|
0.625
|
0.281
|
.051/.080
|
5/16
|
0.875
|
0.375
|
.064/.104
|
0.688
|
0.344
|
.051/.080
|
3/8
|
1.000
|
0.438
|
.064/.104
|
0.812
|
0.406
|
.051/.080
|
7/16
|
1.250
|
0.500
|
.064/.104
|
0.922
|
0.469
|
.051/.080
|
1/2
|
1.375
|
0.562
|
.086/.132
|
1.062
|
0.531
|
.074/.121
|
9/16
|
1.469
|
0.625
|
.086/.132
|
1.156
|
0.594
|
.074/.121
|
5/8
|
1.750
|
0.688
|
.108/.160
|
1.312
|
0.656
|
.074/.121
|
3/4
|
2.000
|
0.812
|
.122/.177
|
1.469
|
0.812
|
.108/.160
|
7/8
|
2.250
|
0.938
|
.136/.192
|
1.750
|
0.938
|
.108/.160
|
1
|
2.500
|
1.062
|
.136/.192
|
2.000
|
1.062
|
.108/.160
|
1 1/8
|
2.750
|
1.250
|
.136/.192
|
2.250
|
1.250
|
.108/.160
|
1 1/4
|
3.000
|
1.375
|
.136/.192
|
2.500
|
1.375
|
.136/.192
|
1 3/8
|
3.250
|
1.500
|
.153/.213
|
2.750
|
1.500
|
.136/.213
|
1 1/2
|
3.500
|
1.625
|
.153/.213
|
3.000
|
1.625
|
.153/.213
|
1 5/8
|
3.750
|
1.750
|
.153/.213
|
-
|
-
|
-
|
1 3/4
|
4.000
|
1.875
|
.153/.213
|
-
|
-
|
-
|
1 7/8
|
4.250
|
2.000
|
.153/.213
|
-
|
-
|
-
|
2
|
4.500
|
2.125
|
.153/.213
|
-
|
-
|
-
|
2 1/4
|
4.750
|
2.375
|
.320/.248
|
-
|
-
|
-
|
2 1/2
|
5.000
|
2.625
|
.210/.280
|
-
|
-
|
-
|
2 3/4
|
5.250
|
2.875
|
.228/.410S
|
-
|
-
|
-
|
3
|
5.500
|
3.125
|
.249/.327
|
-
|
-
|
-
|
