Item
philips countersunk head self drilling screw in zinc plated
Standard
GB DIN ASME/ANSI BS non-standard
Material
stainless steel304,316, carbon steel 39#, 49#, brass.
Grade
4.8, 8.8, 10.9, 12.9, B7, AISI 2, AISI 5, AISI 8. AISI10
Surface treatment
HDG, black, galvanized, yellow zinc plated, PTFE coated, dacromet
head type
hex/pan/CSK/round/flat head