Manufacturers & Suppliers of Hexagon flange bolts with or without knurled underhead heavy series
This product is regulated by the following standards:
DIN EN 1665 (Equivalent standard: BS EN 1665) DIN 6921
Full List of Suppliers
Company specialized in the production of fasteners and fixings for industrial applications in the following fields: automotive, home appliances, mechanical, components, building industry.
Leader in the manufacturing of special fasteners.
Manufacturing company from Turkey.
Hot Forging & Cold Forging
Bolts: M 12 – M 48
EN 14399-1 & En 15048 CE CERTIFICATE
Nuts: M 12-M 72
Threaded Rods: M 20 – M 220
Heat Treatment IN -HOUSE
Hot Dip Galvanize IN-HOUSE
Kraft Bulgaria EOOD is a leading BG company specialized in the trade of fasteners,industrial supplies, industrial armature for water, industrial, fire-frightening systems and irrigation sectors.
Our success is due to the high quality of the offered products, the professionalism and qualification of our team, as well as our flexible distribution network.
Manufacturer of hexagon head screws, high strength fasteners and flanged screws
Manufacturer of special cold forged screws, socket screws and screws with flange.
Size: 3 -16 mm, lengths up to 100 mm . Resistance classes from 4.8 to 12.9.
Manufacturer and distributor of bolts M5 - M24, nuts M4 - M24 and threaded rods M6 – M48
Worldwide manufacturer of special fasteners and automatic assembly machines, wholesaler and supplier of fasteners in steel, stainless steel, brass and plastic.
The assortment includes more than 100,000 items: DIN and standard items, threaded inserts, Normteile, Gewindeeinsätze, fast fixings, adhesives and custom-special parts both in steel and plastic.
Manufacturing through cold forging technology of steel products, from Ø6 to Ø33 and lengths proportional to the Ø from I = 10mm to I = 240mm
Tensile grades: 4.6 - 5.6 - 8.8 - 9.8 - 10.9 - 12.9 - B7 - B7M
Producer of Hexagon, machine and welding screws in low and high tensile steel.
Producer of special screws on customer requirement.
Manufacturer specialized in dowel pins and flanged screws, with 12 points as well.
Bot metric and imperial sizes.
Manufacturer of standard and special fasteners, from M4 to M30, from 1/4' to 1-1/4'. Lengths from 10 to 300mm and from 1/2' to 12'.
Leader manufacturer of hexagon head screws for costruction and high tensile screws. Diameters from M12 to M36. Production plants in Korea, Vietnam and China
Manufacturer of screws, threaded studs and threaded rods in metric and inch sizes
Leading manufacturer of automotive fasteners in INDIA, IATF 16949:2016 certified.
We have more than 3 decades of experience in the manufacturing of high quality fasteners and stamping components, from five manufacturing facilities in India.
The product range we offer: cold forged nuts, bolts, washers and stamping components.
Products in different product groups: Cleaning, Lubrication, Surface Treatment, Glues, Tapes, Electrical and Additives.
Manufacturer of hexagon head screws, socket cap screws, high strength fasteners
Annual capacity of 120,000 tons
Manufacturer of Hexagon head fasteners, flanged head screws, hammer head screws.Diameters M4÷M12. carbon iron and carbon steel
Manufacturer of double-end studs, wheel bolts, screws and nuts for automotive, agricultural, road-building machinery and industrial sectors.
Special pieces according to costumers requirements.
Qualities: 8.8, 10.9, 12.9, G5&G8. Pieces manufacture by cold forging, diameters from 5mm to 22mm (¼” to ?”).
Metallographic Laboratory in our facilities.
ISO 9001 Certificate.
Manufacturer specialized in self tapping and machine screws.
Diameters: M2-M10
Lengths: 4-220 mm
Technical data
Hexagon flange bolts with or without knurled underhead heavy series
This product is regulated by the following standards:
Standard DIN EN 1665
- BS EN 1665
Hexagon flange bolts with or without knurled underhead heavy series
The standard (DIN EN 1665) specifies the characteristics of hexagon head fasteners with flange, with thread sizes from M5 up to M16 enclosed, heavy series, with property classes 8.8, 10.9 and A2-70.
|
Dimensions in mm - source DIN EN 1665 |
|||||||||||
| Publication date: 11/1998 | |||||||||||
| d thread size |
P
|
b (l<=125)
|
b (l>125<=200) | b (l>200) |
c min
|
dk max.
|
k max | ds min | dr |
e min.
|
s nom=/max.
|
|
M 5
|
0.8
|
16
|
-
|
-
|
1 | 11.8 | 5.8 | 4.82 | ≈ rolling dia. | 8.71 | 8 |
|
M 6
|
1
|
18
|
-
|
-
|
1.1 | 14.2 | 6.6 | 5.82 | ' ' | 10.95 | 10 |
|
M 8
|
1.25
|
22
|
28
|
-
|
1.2 | 18 | 8.1 | 7.78 | ' ' | 14.26 | 13 |
|
M 10
|
1.5
|
26
|
32
|
-
|
1.5 | 22.3 | 10.4 | 9.78 | ' ' | 17.62 | 16 |
|
M 12
|
1.75
|
30
|
36
|
-
|
1.8 | 26.6 | 11.8 | 11.73 | ' ' | 19.86 | 18 |
|
M 14
|
2
|
34
|
40
|
-
|
2.1 | 30.5 | 13.7 | 13.73 | ' ' | 23.15 | 21 |
|
M 16
|
2
|
38
|
44
|
57
|
2.4 | 35 | 15.4 | 15.73 | ' ' | 26.51 | 24 |
| M 20 | 2.5 | 46 | 62 | 65 | 3 | 43 | 18.9 | 19.67 | ' ' | 33.23 | 30 |
|
DIN 1665 - commercial items |
||||||||
| d thread size | M5 | M6 |
M8
|
M10
|
M12
|
M14
|
M16
|
M20
|
| nominal length l | ||||||||
| 25 | X | |||||||
| 30 | X | X | ||||||
| 35 | X | X | X | |||||
| 40 | X | X | X | X | ||||
| 45 | X | X | X | X | X | |||
| 50 | X | X | X | X | X | X | ||
| 55 | X | X | X | X | X | X | ||
| 60 | X | X | X | X | X | X | ||
| 65 | X | X | X | X | X | X | ||
| 70 | X | X | X | X | X | X | ||
| 80 | X | X | X | X | X | X | ||
| 90 | X | X | X | X | X | |||
| 100 | X | X | X | X | X | |||
| 110 | X | X | X | X | ||||
| 120 | X | X | X | X | ||||
| 130 | X | X | X | |||||
| 140 | X | X | X | |||||
| 150 | X | X | ||||||
| 160 | X | X | ||||||
| 180 | X | |||||||
| 200 | X | |||||||
Standard DIN 6921
Hexagon head fasteners with flange
|
Dimensions in mm - source DIN 6921 Withdrawn Publication date : 06/1983 |
||||||||||
| d thread size |
P
|
b (l<=125)
|
b (l>125<=200) | b (l>200) | ds min |
c min
|
dk max.
|
k max |
e min.
|
s nom=max |
|
M 5
|
0.8
|
16
|
-
|
- | 4.82 |
1
|
11.8
|
5.4 |
8.71
|
8 |
|
M 6
|
1
|
18
|
-
|
- | 5.82 |
1.1
|
14.2
|
6.6 |
10.95
|
10 |
|
M 8
|
1.25
|
22
|
28
|
- | 7.78 |
1.2
|
18
|
8.1 |
14.26
|
13 |
|
M 10
|
1.5
|
26
|
32
|
- | 9.78 |
1.5
|
22.3
|
9.2 | 16.5 | 15 |
|
M 12
|
1.75
|
30
|
36
|
- | 11.73 |
1.8
|
26.6
|
11.5 | 17.62 | 16 |
|
M 14
|
2
|
34
|
40
|
- | 13.73 |
2.1
|
30.5
|
12.8 | 19.86 | 18 |
|
M 16
|
2
|
38
|
44
|
57 | 15.73 |
2.4
|
35
|
14.4 |
23.15
|
21 |
|
M 20
|
2.5
|
46
|
52
|
65 | 19.67 |
3
|
43
|
17.1 |
29.87
|
27 |
|
DIN 6921 1983 - ≈ weigth, in kg x1000 pcs, (ρ=7,85 kg/dm3) - commercial items |
|||||||
|
d thread size |
M5
|
M6
|
M8
|
M10
|
M12
|
M14
|
M16
|
| nominal length l | |||||||
| 10 | 3.22 | ||||||
| 12 | 3.46 | 6.94 | 13.76 | 24.04 | |||
| 16 | 3.94 | 7.62 | 15.01 | 26.01 | |||
| 20 | 4.42 | 8.30 | 16.25 | 27.97 | 44.35 | ||
| 25 | 5.25 | 9.16 | 17.8 | 30.42 | 47.9 | 66.96 | 83.82 |
| 30 | 6 | 10.5 | 19.36 | 32.88 | 51.46 | 71.83 | 90.37 |
| 35 | 6.74 | 11.58 | 21.77 | 35.33 | 55.02 | 76.71 | 96.92 |
| 40 | 7.48 | 12.65 | 23.68 | 39.18 | 58.57 | 81.58 | 103.47 |
| 45 | 8.23 | 13.73 | 25.6 | 42.2 | 64.2 | 86.46 | 110 |
| 50 | 8.97 | 14.8 | 27.52 | 45.21 | 68.54 | 94.27 | 116.6 |
| 55 | 9.71 | 15.88 | 29.44 | 48.23 | 72.87 | 100.19 | 126.7 |
| 60 | 10.46 | 16.96 | 31.36 | 51.24 | 77.21 | 106.11 | 134.5 |
| 65 | 11.2 | 18.03 | 33.27 | 54.25 | 81.55 | 112.04 | 142.3 |
| 70 | 11.94 | 19.11 | 35.19 | 57.27 | 85.89 | 117.96 | 150 |
| 75 | 12.68 | 20.18 | 37.11 | 60.28 | 90.23 | 123.88 | 158 |
| 80 | 13.43 | 21.26 | 39.03 | 63.29 | 94.56 | 129.81 | 166 |
| 85 | 22.34 | 40.95 | 66.31 | 98.9 | 135.73 | 173 | |
| 90 | 23.41 | 42.87 | 69.32 | 103.24 | 141.65 | 181 | |
| 95 | 24.49 | 44.78 | 72.35 | 107.58 | 147.58 | 189 | |
| 100 | 25.57 | 46.7 | 75.35 | 111.91 | 153.5 | 197 | |
| 110 | 81.38 | 120.59 | 165.35 | 212 | |||
| 120 | 87.4 | 129.26 | 177.19 | 228 | |||
| 130 | 92.76 | 137 | 187.78 | 242 | |||
| 140 | 145.68 | 199.63 | 257 | ||||
| 150 | 211.47 | 273 | |||||
|
Hex head flanged screws with knurled underhead Sechskantschrauben mit Flansch mit Rändelschraube Unterkopf Viti a testa esagonale flangiata zigrinata |
||||||||
|
Dimensions in mm |
||||||||
| d thread size | k | h | dk |
s |
nr. of Teeth | |||
|
M 5
|
4.3 | 0.15 | 11.2 | 8 | 24 | |||
|
M 6
|
5.5 | 0.17 | 14.2 | 10 | 24 | |||
|
M 8
|
7 | 0.2 | 18.2 | 13 | 24 | |||
|
M 10
|
7.9 | 0.25 | 21 | 15 | 24 | |||
|
M 12
|
8.7 | 0.25 | 24 | 17 | 24 | |||
|
M 16
|
11.2 | 0.28 | 31 | 22 | 24 | |||
Details
Hexagon flange bolts with or without knurled underhead heavy series
|
Dimensions in mm - source DIN 1665 |
|||||||||||
| Publication date: 11/1998 Supersedes DIN 1665 02/1998 | |||||||||||
| d thread size |
P
|
b (l<=125)
|
b (l>125<=200) | b (l>200) |
c min
|
dk max.
|
k max | ds min | dr |
e min.
|
s nom=/max.
|
|
M 5
|
0.8
|
16
|
-
|
-
|
1 | 11.8 | 5.8 | 4.82 | ≈ rolling dia. | 8.71 | 8 |
|
M 6
|
1
|
18
|
-
|
-
|
1.1 | 14.2 | 6.6 | 5.82 | " " | 10.95 | 10 |
|
M 8
|
1.25
|
22
|
28
|
-
|
1.2 | 18 | 8.1 | 7.78 | " " | 14.26 | 13 |
|
M 10
|
1.5
|
26
|
32
|
-
|
1.5 | 22.3 | 10.4 | 9.78 | " " | 17.62 | 16 |
|
M 12
|
1.75
|
30
|
36
|
-
|
1.8 | 26.6 | 11.8 | 11.73 | " " | 19.86 | 18 |
|
M 14
|
2
|
34
|
40
|
-
|
2.1 | 30.5 | 13.7 | 13.73 | " " | 23.15 | 21 |
|
M 16
|
2
|
38
|
44
|
57
|
2.4 | 35 | 15.4 | 15.73 | " " | 26.51 | 24 |
| M 20 | 2.5 | 46 | 62 | 65 | 3 | 43 | 18.9 | 19.67 | " " | 33.23 | 30 |
|
Din 1665 - commercial items |
||||||||
| d thread size | M5 | M6 |
M8
|
M10
|
M12
|
M14
|
M16
|
M20
|
| nominal length l | ||||||||
| 25 | X | |||||||
| 30 | X | X | ||||||
| 35 | X | X | X | |||||
| 40 | X | X | X | X | ||||
| 45 | X | X | X | X | X | |||
| 50 | X | X | X | X | X | X | ||
| 55 | X | X | X | X | X | X | ||
| 60 | X | X | X | X | X | X | ||
| 65 | X | X | X | X | X | X | ||
| 70 | X | X | X | X | X | X | ||
| 80 | X | X | X | X | X | X | ||
| 90 | X | X | X | X | X | |||
| 100 | X | X | X | X | X | |||
| 110 | X | X | X | X | ||||
| 120 | X | X | X | X | ||||
| 130 | X | X | X | |||||
| 140 | X | X | X | |||||
| 150 | X | X | ||||||
| 160 | X | X | ||||||
| 180 | X | |||||||
| 200 | X | |||||||