Countersunk head
Raised countersunk head
Countersunk head square neck
Countersunk head with nib
Square countersunk head
Countersunk Cheese head
T-head countersunk
DIN 7969-1989
Slotted countersunk head screws for structural steel bolting for supply with or without nuts
JIS B1179-1.1-1994
Slotted flat head bolt-Finished-Table 1-1
JIS B1179-1.2-1994
Slotted flat head bolt-Rough Table1-2
EN 14399-7-2007
System HR-Countersunk head bolt
NF E25-801-7-2008
System HR-Countersunk head bolt
DIN 7969-1999
Slotted countersunk head screws for structural steel bolting for supply with or without nuts
DIN 7969-2007
Slotted countersunk head screws for structural steel bolting for supply with or without nuts
DIN 7969-2017
Slotted countersunk head screws for structural steel bolting for supply with or without nuts
EN 14399-7-2018
System HR-Countersunk head bolt
JIS B1179-3-2009
Slotted flat head bolt-Finished-Table 3
JIS B1179-4-2009
Slotted flat head bolt-Rough Table 4
CNS 4420-1981
Countersunk head bolts with forged slot for steel structures
