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Description
DIN 7991 - Hexagon socket countersunk head screws
Bill of material
Countersunk screw DIN 7991 M10x50
IDNR
Ident number
D
Nominal thread diameter
mm
D3
Nominal core diameter
mm
P
Pitch of bolt
mm
L
Nominal length
mm
AL
Countersink angle
mm
B
Thread length
mm
DK
Head diameter
mm
DS
Diameter of the unthreaded shank
mm
K
Head height
mm
R
Transition radius under head
mm
S
Width across flats
mm
T
Depth of the driving feature
mm
LS
Shank length
mm
LG
Distance from the last full form thread to the bearing face (shank length of bolt)
mm