CSK Square Neck Bolt.png
Countersunk Square Neck Bolts
Also known as Plough Bolts, these bolts are used wherever a countersunk finish is required - primarily in steel ant timber applications.
Diameter
(d)
ds
 
B
 
P
 
a
 
E
 
r
 
D
 
M10
M12
10.00-9.78
12.00-11.73
7.5-6.0
1.50
1.75
3.5
4.0
10.58-9.78
12.70-11.73
0.8
1.3
20.0-17.0
24.0-20.4
9.0-7.2
M16
16.00-15.73
12.0-9.6
2.00
5.0
16.70-15.73
1.3
32.0-27.2
CSK Square Neck Bolt Drawing.jpg