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
BS 4933-8-1973
90° Countersunk head bolts
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
GJB 134.2-1986
100° Countersunk head lock bolt(ds r6)
GJB 134.3-1986
100° Countersunk head lock bolt(ds f9)
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
BS 4933-8-2010
90° Countersunk head bolts
BS 4933-8-2015
90° Countersunk head bolts
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
GOST 7787-1981
40°Deep countersunk head bolts
CNS 4420-1981
Countersunk head bolts with forged slot for steel structures
