riv.w.countersunk head DIN 661, *excepted

n20080661.40

n20080661.90

n20100661.10

n20100661.90

n20100661.97

n25040661.10

n25040661.40

n25050661.10

n25050661.40

n25060661.10

n25060661.40

n25060661.45

n25080661.10

n25080661.40

n25080661.45

n25100661.10

n25100661.40

n25100661.90

n25120661.10

n25120661.40

n26050661.10

n26060661.10

n26080661.10

n26100661.90

n26110661.40