HECO-Drive
HECO-DriveFilter
Diameter, d
10,0 mm (30)
3,5 mm (42)
4,0 mm (47)
4,5 mm (53)
5,0 mm (62)
6,0 mm (49)
8,0 mm (35)
Headdiameter, dk
11,7 mm (49)
14,8 mm (35)
18,5 mm (30)
7,3 mm (42)
7,9 mm (47)
8,9 mm (53)
9,6 mm (62)
Length, l
Recess
HECO-Drive (299)
HECO-Drive, HD-25 (19)
Size of recess
HD-20 (187)
HD-25 (19)
HD-30 (47)
HD-40 (65)
Surface
bright zinc plated, A3K (235)
yellow zinc plated, A3L (83)
Thread
full thread (24)
part thread (2)
partial thread (139)
variable full thread (153)
Thread length, lg