Hexagon socket head screws (fall-resistant) DIN 912-1983

Cross recessed large flat head machine screws ANSI/ASME B 18.6.3 - 2003

12.9 grade hexagon socket set screw GB/T 78-2007

Hexagon socket countersunk screw GB /T 70.3 - 2000

Cross recessed countersunk head screw ISO 7046-1 - 1994

Slotted pan head screws Stainless steel slotted pan head machine nailsANSI/ASME B 18.6.3 - 2010

Cross recessed countersunk head tapping screws GB /T 846 - 2017

Hexagon socket countersunk head screw ISO 10642 - 2004 Stainless steel 304