Metric Round Head Bolts (CSK-Countersunk) Flat NIB Bolts SABS 1143 / DIN 604 / DIN 555
STANDARD
GRADE
FINISHING
RANGE M*L
DIN 604, DIN 555
Grade 4.8, 8.8, 10.9, 12.9
Plain
M10 17-20
Black
M12 25-100
SABS 1143-1977
HDG
M16 40-100
Stainless Steel
M20 40-100
