Hex flange head bolts DIN6921
| Screw Thread |
M5 |
M6 |
M8 |
M8 |
M10 |
M10 |
M10 |
M12 |
| d |
|
|
|
|
|
|
|
|
| P |
Pitch |
0.8 |
1 |
1 |
1.25 |
1 |
1.25 |
1.5 |
1.25 |
| b |
L≤125 |
16 |
18 |
22 |
22 |
26 |
26 |
26 |
30 |
| 125 |
/ |
/ |
28 |
28 |
32 |
32 |
32 |
36 |
| L>200 |
/ |
/ |
/ |
/ |
/ |
/ |
/ |
/ |
| dc |
max |
11.8 |
14.2 |
18 |
18 |
22.3 |
22.3 |
22.3 |
26.6 |
| ds |
max |
5 |
6 |
8 |
8 |
10 |
10 |
10 |
12 |
| min |
4.82 |
5.82 |
7.78 |
7.78 |
9.78 |
9.78 |
9.78 |
11.73 |
| k |
max |
5.4 |
6.6 |
8.1 |
8.1 |
9.2 |
9.2 |
9.2 |
11.5 |
| s |
max=nominal size |
8 |
10 |
13 |
13 |
15 |
15 |
15 |
16 |
| min |
7.78 |
9.78 |
12.73 |
12.73 |
14.73 |
14.73 |
14.73 |
15.73 |
| Screw Thread |
M12 |
M12 |
M14 |
M14 |
M16 |
M16 |
M20 |
M20 |
| d |
|
|
|
|
|
|
|
|
| P |
Pitch |
1.5 |
1.75 |
1.5 |
2 |
1.5 |
2 |
1.5 |
2.5 |
| b |
L≤125 |
30 |
30 |
34 |
34 |
38 |
38 |
46 |
46 |
| 125 |
36 |
36 |
40 |
40 |
44 |
44 |
52 |
52 |
| L>200 |
/ |
/ |
/ |
/ |
57 |
57 |
65 |
65 |
| dc |
max |
26.6 |
26.6 |
30.5 |
30.5 |
35 |
35 |
43 |
43 |
| ds |
max |
12 |
12 |
14 |
14 |
16 |
16 |
20 |
20 |
| min |
11.73 |
11.73 |
13.73 |
13.73 |
15.73 |
15.73 |
19.67 |
19.67 |
| k |
max |
11.5 |
11.5 |
12.8 |
12.8 |
14.4 |
14.4 |
17.1 |
17.1 |
| s |
max=nominal size |
16 |
16 |
18 |
18 |
21 |
21 |
27 |
27 |
| min |
15.73 |
15.73 |
17.73 |
17.73 |
20.67 |
20.67 |
26.67 |
26.67 |
Workshop
Packing
Production Lines
FAQ
Q1: What is your main products?
A: Bolts, Nuts, Screws,Washers, Threaded Rods, Anchors, Metal Stamping and Special Parts.
Q2: How long is your delivery time?
A: For stock, we can delivery within 2 days after receive the payment.
For mass cargo, our production time is in 30-45 days after receive the deposit.
Q3: Do you provide samples ? is it free or extra ?
A: Of course, sample is free. You pay the courier fees.
Q4: What is your terms of payment?
A: Payment<=1000USD, 100% in advance by Paypal or Western Union.
Payment>1000USD, 30% T/T in advance, balance against the copy of B/L.
Q5: What about your products quality?
A: Our QC team will check process strictly to ensure our products meet Go/No Go Gauge.
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