Round head
Countersunk head
Raised countersunk head
Cheese
Round head with collar
Low cheese head
Raised cheese
GB/T 2671.2-2004
6-Lobe knurled cap screws
ISO 14579-2001
6-Lobe knurled cap screws
JIS B1136-2004
6-Lobe knurled cap screws
NF E 25-110-2001
6-Lobe knurled cap screws
NF E25-110-1983
6-Lobe knurled cap screws
NF E25-110-2011
6-Lobe knurled cap screws
ISO 14579-2007
6-Lobe knurled cap screws
ISO 14579-2011
6-Lobe knurled cap screws
ISO 14579-2016
6-Lobe knurled cap screws
JIS B1136-2014
6-Lobe knurled cap screws
GB/T 2671.2-2017
6-Lobe knurled cap screws