riv.w.countersunk head DIN 661, *excepted

n14040661.10

n14040661.40

n14040661.90

n14040661.99

n14050661.40

n14050661.41

n14060661.10

n14060661.60

n14060661.61

n14060661.65

n14070661.60

n14075661.90

n14090661.90

n16020661.10

n16020661.40

n16020661.42

n16020661.45

n16030661.10

n16030661.40

n16040661.10

n16040661.40

n16050661.10

n16050661.40

n16060661.10

n16060661.40