DIN 6917 Square Tapered Washer
Square tapered washer DIN 6917 for preloaded connections (HV) of I-beams. FLOK supplies it in hot-dip galvanized C45 steel and A2, A4 stainless steel.
The DIN 6917 square tapered washer has a wedge-shaped cross-section with a 14° slope, which is why it is also called a wedge washer. A groove is machined on the top surface of the part on the thicker side, serving as a catch for precise fastener positioning.
The square tapered washer is used as a backing under the head of threaded fasteners when connecting steel I-beams. According to DIN 6917, fastening assemblies with these washers must withstand high loads and be used in preloaded connections (HV).
The washers are made of quenched-and-tempered alloy steel with a hot-dip zinc coating. Austenitic stainless steel grades A2 and A4, resistant to moist and aggressive environments, are also used.
Materials:
- C45 quenched-and-tempered steel
- Steel with coating: hot-dip galvanized
Dimensions of DIN 6917 square tapered washers, mm:
| d | a | b | e | h |
|---|---|---|---|---|
| 13 | 26 | 30 | 4.1 | 6.2 |
| 17 | 32 | 36 | 5 | 7.5 |
| 21 | 40 | 44 | 6.1 | 9.2 |
| 23 | 44 | 50 | 6.5 | 10 |
| 25 | 56 | 56 | 6.9 | 10.8 |
| 28 | 56 | 56 | 6.9 | 10.8 |
| 31 | 62 | 62 | 7.5 | 11.7 |
| 37 | 68 | 68 | 8 | 12.5 |
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