coach-screw.png
Coach Screws

Used for heavy duty construction work to fix wood to wood or metal to wood. They are designed with a hexagonal head and, therefore, require a wrench or socket spanner to be tightened or unscrewed.

Diameter
(d)
s
 
e
 
k (nom)
 
k
 
4
7.00
7.70
2.80
3.10-2.50
5
8.00
8.63
3.50
3.88-3.13
6
10.00
10.89
4.00
4.38-3.63
10
17.00
7
12.00
13.20
5.00
5.38-4.63
7.45-6.55
5.88-5.13
7.00
5.50
18.72
14.20
13.00
8
20
30.00
12
19.00
20.88
8.00
8.45-7.55
13.90-12.10
10.45-9.55
13.00
10.00
33.00
26.17
24.00
16
Coach Screw Drawing.png