Paramedrau Technegol
| Deunydd: | Corff Alwminiwm / Coesyn Alwminiwm |
| Gorffen Arwyneb: | Sinc glas ar blatiau, sinc melyn ar blatiau |
| Diamedr: | 3.2mm, 4.0mm, 4.8mm, 6.4mm, (1/8, 5/32, 3/16,1/4) |
| Pennaeth: | Flat Head.PLAIN.open end |
| Safon: | IFI-114 a DIN 7337, GB.Ansafonol |







