설명
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All lengths fully threaded, countersink must be designed according to the corresponding standard!
Slotted flat countersunk head machine screws
BN 20244Slotted flat countersunk head machine screws
BN 20244- 표준
- DIN 963 A (Standard withdrawn) ~ISO 2009 ~UNI 6109 ~ČSN 021151
- Headform
- Countersunk head 90°
- Drive
- Slot
- Thread
- fully threaded
- Material
- Steel
- Property class
- 4.8
- Surface
- zinc plated with thick layer passivation