1. Gred: Gred 4.8, Gred 8.8, Gred10.9, Gred12.9 A2-70, A4-70, A4-80
2. Saiz:1/4″, 5/16″, 3/8″, 1/2″, M6, M8, M10, M12
Pemikiran: 6mm, 8mm, 9mm, 11mm, 12mm
Panjang musim bunga: 20mm, 40mm, 60mm
3. Standard: (DIN,ISO, ASME /ANSI, JIS ,CNS,KS,NF,AS/NZS,UNI,GB )
4. Pensijilan: ISO9001,CE, SGS