|
| TC bolts |
| The finish:plain phos phined,black,z/p,hdg,dacromet |
 |
| Bolt dimension |
| d |
16 |
20 |
22 |
24 |
| dk |
30 |
37 |
41 |
44 |
| k |
10 |
13 |
14 |
15 |
| k" |
17 |
19 |
21 |
23 |
| L |
40~120 |
45~140 |
50~160 |
55~180 |
|
 |
| Washer dimension |
| d |
16 |
20 |
22 |
24 |
| d1 |
17 |
21 |
23 |
25 |
| d2 |
33 |
40 |
42 |
47 |
| s |
4 |
4 |
5 |
5 |
|
 |
| Nut dimension |
| d |
16 |
20 |
22 |
24 |
| S |
27 |
34 |
36 |
41 |
| M |
17.1 |
20.7 |
23.6 |
24.2 |
| E |
29.6 |
37.3 |
39.6 |
45.2 |
| Mechanical Property |
 |
| 16 |
1040-1240 ≥940 ≥10 ≥42 ≥59 |
99~120 |
≤9.90 |
| 20 |
154~186 |
≤15.39 |
| 22 |
191~231 |
≤19.11 |
| 24 |
222~270 |
≤22.25 |
| Calculation method of bolt length |
| D |
16 |
20 |
22 |
24 |
| L1 |
27 |
30 |
35 |
40 |
L(Bolt length)=Connecting plate thickness+L1
L1=Nut thickness+2×washer thickness+（2~3）thred pitch |
|
|
