Square Head Swith Bolts

Features:
1) Product standard: GB/T 8-88, DIN: DIN478, DIN479, DIN480, ANSI/ASME B18.2.1;
JIS: JIS B1182-1995
2) As well as BS and the customer incoming samples, drawing carries on production
3) Product specifications: diameter: M6 - M64, 1/4" - 2-1/2", the length does not limit
4) Product grades: carries out 4.6, 5.6, 6.8, 8.8, 10.9, 12.9 or grade 2, 5, and 8
5) Product finish: becomes black, yellow zinc, white zinc, the hot dipping zinc, and
chrome-faced
Square Head Swith Bolts