DIN 7984*
DIN 7984*
Low head socket cap screws
Heat treated alloy steel
Property class: 10.9
Standards ISO 898-1
| Ref: ? | ||||||
|---|---|---|---|---|---|---|
| Example: | Ref. = | HCR | - | XX | - | XXX |
| ↑ | ↑ | |||||
| D | L | |||||
| HCR (DIN 7984) | ||||||
| M6X20 | ||||||
| Ref. = | HCR | - | 6 | - | 20 | |
| D | M4 (x0,70) |
M5 (x0,80) |
M6 (x1,00) |
M8 (x1,25) |
M10 (x1,50) |
M12 (x1,75) |
M16 (x2,00) |
|---|---|---|---|---|---|---|---|
| D1 (max.) | 7 | 8,50 | 10,0 | 13,0 | 16,0 | 18,0 | 24,0 |
| D2 (max.) | 4,7 | 5,7 | 6,8 | 9,2 | 11,2 | 13,7 | 17,7 |
| K (max.) | 2,8 | 3,5 | 4 | 5 | 6,5 | 8 | 10 |
| S nom. | 3 | 4 | 5 | 6 | 8 | 10 | 12 |
| L1** (min.) | 20 | 22 | 24 | 28 | 32 | 36 | 44 |
 |
4,5 | 8,5 | 14,5 | 35 | 70 | 120 | 300 |
| L |  8 |
8 |
8 |
12 |
15 |
 20 |
 30 |
| 10 |
10 |
10 |
15 |
16 |
25 |
35 |
|
| 12 |
12 |
12 |
16 |
20 |
30 |
40 |
|
| 15 |
14 |
14 |
20 |
25 |
35 |
45 |
|
| 16 |
15 |
15 |
25 |
30 |
40 |
50 |
|
| 18 |
16 |
16 |
30 |
 35 |
45 |
60 |
|
| 20 |
20 |
20 |
35 |
40 |
50 |
70 |
|
| 25 |
25 |
25 |
40 |
45 |
60 |
90 |
|
| 30 |
30 |
30 |
45 |
50 |
80 |
100 |
|
| 35 |
50 |
55 |
100 |
||||
| 40 |
60 |
60 |
|||||
| 45 |
70 |
||||||
| 50 |
Recommended tightening torqueTensile strength 1040 N/mm2 min.
Hardness 33-38 HRC min.
Working temperatures -29º a +204ºC
Minimum elongation at fracture 9%
| Box qty. | |
|---|---|
 x1 |
 x100 |
 x25 |
|
 x50 |
|
| Ref: ? | ||||||
|---|---|---|---|---|---|---|
| Example: | Ref. = | HCR | - | XX | - | XXX |
| ↑ | ↑ | |||||
| D | L | |||||
| HCR (DIN 7984) | ||||||
| M6X20 | ||||||
| Ref. = | HCR | - | 6 | - | 20 | |
** According to L1, fasteners above the blue line are completely threaded while those below are partially threaded.
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