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DIN 6321
Workholding bolts / Headed dowels
Description
Specification
Types
- Type A: Headed dowel, low type
- Type B: Workholding bolt, high, cylindrical
- Type C: Workholding bolt, high, flattened
Steel
- hardened
- blackened
Type A
with centre hole on the bottom
Type B / Type C
with centre hole, on both sides
Information
Workholding bolts DIN 6321 are inserted into bores for positioning, assisted by the flattened design (Form C) to compensate tolerances in the spacing of two bores. Another application of this design is to fix parts to be positioned in one direction only.
Types A and B can also be used as bearing surfaces, stops or as foot.
Technical information
- ISO-Fundamental Tolerances -
DIN 6321
| d1 g6 | d1 F7 | h1 h9 | h1 ±0.1 | d2 n6 | h2 | l | s ≈ |  |
||
|---|---|---|---|---|---|---|---|---|---|---|
| Code | Actions | |||||||||
| DIN 6321-6-5-A | 6 | 6 | 5 | - | 4 | - | 6 | - | 2 |
|
| DIN 6321-6-7-B | 6 | 6 | - | 7 | 4 | 4 | 6 | - | 2 |
|
| DIN 6321-6-7-C | 6 | 6 | - | 7 | 4 | 4 | 6 | 1 | 2 |
|
| DIN 6321-6-12-B | 6 | 6 | - | 12 | 4 | 4 | 6 | - | 3 |
|
| DIN 6321-6-12-C | 6 | 6 | - | 12 | 4 | 4 | 6 | 1 | 2 |
|
| DIN 6321-8-10-B | 8 | 8 | - | 10 | 6 | 6 | 9 | - | 5 |
|
| DIN 6321-8-10-C | 8 | 8 | - | 10 | 6 | 6 | 9 | 1.6 | 4 |
|
| DIN 6321-8-16-B | 8 | 8 | - | 16 | 6 | 6 | 9 | - | 7 |
|
| DIN 6321-8-16-C | 8 | 8 | - | 16 | 6 | 6 | 9 | 1.6 | 5 |
|
| DIN 6321-10-6-A | 10 | 10 | 6 | - | 6 | - | 9 | - | 5 |
|
| DIN 6321-10-10-B | 10 | 10 | - | 10 | 6 | 6 | 9 | - | 7 |
|
| DIN 6321-10-10-C | 10 | 10 | - | 10 | 6 | 6 | 9 | 2.5 | 6 |
|
| DIN 6321-10-18-B | 10 | 10 | - | 18 | 6 | 6 | 9 | - | 12 |
|
| DIN 6321-10-18-C | 10 | 10 | - | 18 | 6 | 6 | 9 | 2.5 | 20 |
|
| DIN 6321-12-10-B | 12 | 12 | - | 10 | 6 | 6 | 9 | - | 10 |
|
| DIN 6321-12-10-C | 12 | 12 | - | 10 | 6 | 6 | 9 | 2.5 | 7 |
|
| DIN 6321-12-18-B | 12 | 12 | - | 18 | 6 | 6 | 9 | - | 17 |
|
| DIN 6321-12-18-C | 12 | 12 | - | 18 | 6 | 6 | 9 | 2.5 | 11 |
|
| DIN 6321-16-8-A | 16 | 16 | 8 | - | 8 | - | 12 | - | 17 |
|
| DIN 6321-16-13-B | 16 | 16 | - | 13 | 8 | 8 | 12 | - | 22 |
|
| DIN 6321-16-13-C | 16 | 16 | - | 13 | 8 | 8 | 12 | 3.5 | 17 |
|
| DIN 6321-16-22-B | 16 | 16 | - | 22 | 8 | 8 | 12 | - | 36 |
|
| DIN 6321-16-22-C | 16 | 16 | - | 22 | 8 | 8 | 12 | 3.5 | 30 |
|
| DIN 6321-20-15-B | 20 | 20 | - | 15 | 12 | 9 | 18 | - | 47 |
|
| DIN 6321-20-15-C | 20 | 20 | - | 15 | 12 | 9 | 18 | 5 | 39 |
|
| DIN 6321-20-25-B | 20 | 20 | - | 25 | 12 | 9 | 18 | - | 72 |
|
| DIN 6321-20-25-C | 20 | 20 | - | 25 | 12 | 9 | 18 | 5 | 55 |
|
| DIN 6321-25-10-A | 25 | 25 | 10 | - | 12 | - | 18 | - | 53 |
|
| DIN 6321-25-15-B | 25 | 25 | - | 15 | 12 | 9 | 18 | - | 66 |
|
| DIN 6321-25-15-C | 25 | 25 | - | 15 | 12 | 9 | 18 | 5 | 49 |
|
| DIN 6321-25-25-B | 25 | 25 | - | 25 | 12 | 9 | 18 | - | 105 |
|
| DIN 6321-25-25-C | 25 | 25 | - | 25 | 12 | 9 | 18 | 5 | 72 |
|
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