1. Grad: Grad 4.8,Grad 8.8,Grad10.9,Grad12.9 A2-70, A4-70, A4-80
2.Size:1/4″, 5/16″, 3/8″, 1/2″, M6, M8, M10, M12
Ħsieb: 6mm, 8mm, 9mm, 11mm, 12mm
Tul tar-rebbiegħa: 20mm, 40mm, 60mm
3. Standard: (DIN, ISO, ASME /ANSI, JIS ,CNS ,KS,NF ,AS/NZS,UNI,GB )
4. Ċertifikazzjoni: ISO9001,CE, SGS