Engineering Studs
STANDARD
GRADE
FINISHING
THREAD
RANGE M*L
EN8
Grade 8.8
Mild Steel
Metric Fine
M4, M5, M6, M7, M8, M10, M12, M14
DIN 304
A2&A4
Stainless Steel 304 & 316
Metric Coarse
M16, M18, M20, M22, M24, M27, M30
DIN 316
Black
Imperial UNC, UNF, BSW, BSF
M33, M36, M39, M42, M45, M48, M52
Electro-Galvanised – Blue Zinc
M56, M64
Electro-Galvanised – Yellow passivate
Hot Dip Galvanised