Paramedr Technegol
Eitem: 76X1200/1600/1800/2000
Deunydd: Q235B/Q345B
Triniaeth Arwyneb: Cotio cyfartalog galfanedig dipio poeth 80μm
Hyd: 1200/1600/1800/2000mm
Diamedr Allanol: 76mm
Trwch:3-4mm
Cam Helix: 75/100/120mm
Trwch Helix:4-6mm
Diamedr Helix: 176/189/256mm
Gofynion Technegol
1. poeth dipio galfanedig i DIN EN ISO 1461, cotio cyfartalog 80μm.
2. Dim afluniad, dim ymyl miniog.
3. Goddefgarwch: GB/T safonol1804-C, safle twll ±1, twll dia. ±1
