Hexagon Head Coach Screw

DIN 571, ASME B18.2.1

Coach screws are meant for hardwood applications. They come with a square, flange  or hexagonal head and a pointed tip in which the entire length of the screw is externally threaded as well. Their applications are in metal-to-metal or metal-to-sheet fastening. Mostly, they are also used on concrete surfaces for masonry. Coach screws also known as lag screws are large wood screws with tapered stem, large threads and with a sharp point.

Technical Specification
Size:
M4 – M16, #10 – 3/4”
Grade:
4.8, GR.A
Materials:
Finish:
THREAD
4
5
6
-7
8
10
12
16
20
ds
nominal size max.
4
5
6
7
8
10
12
16
20
min.
3.52
4.52
5.52
6.42
7.42
9.42
11.3
15.3
19.3
da
max.
5
6
7.2
8.2
10.2
12.2
15.2
19.2
24.4
k
nominal size
2.8
3.5
4
5
5.5
7
8
10
13
max.
3.1
3.88
4.38
5.38
5.88
7.45
8.45
10.45
13.9
min.
2.5
3.13
3.63
4.63
5.13
6.55
7.55
9.55
12.1
s
nominal size
7
8
10
12
13
17
19
24
30
max.
7
8
10
12
13
17
19
24
30
min.
6.64
7.64
9.64
11.57
12.57
16.57
18.48
23.16
29.16
e
min.
7.5
8.63
10.89
13.07
14.2
18.72
20.88
26.17
32.95
l
Weight kg/1000pcs
Nominal Size
Min.
Max.
16
15.1
16.9
1.71
292
20
18.95
21.05
2.01
3.42
5.02
25
23.95
26.05
2.41
4.02
5.82
11.5
30
28.95
31.05
2.81
4.62
6.62
12.9
23.6
35
33.75
36.25
3.11
5.12
7.42
14.2
25.8
36.2
40
38.75
41.25
3.51
5.82
8.22
15.6
28
39.2
45
43.75
46.25
8.94
16.9
30
42.1
50
48.75
51.25
9.64
18.2
32.1
45.4
84.1
55
53.5
56.5
10.5
19.6
34.3
48.6
89.7
60
58.5
61.5
11.2
20.9
36.5
51.8
94.9
165
65
63.5
66.5
22.2
38.5
54.7
99.5
174
70
68.5
71.5
23.6
40.7
57.8
107
182
75
73.5
76.5
25
42.9
61
112
192
80
78.5
81.5
26.5
45.2
64.5
118
201
90
88.25
91.75
29.4
49.9
71
130
220
100
98.25
101.75
32
54
77.1
141
238
110
108.25
111.75
83.4
152
253
120
118.25
121.75
89.5
163
275
130
128
132
175
293
140
138
142
187
317
150
148
152
198
328
160
158
162
209
348
170
168
172
366
180
178
182
385
190
187.7
192.3
404
200
197.7
202.3
421

All measurements in millimeters (mm)

D1
S
E
K
M5
8
8.63
3.5
M6
10
10.89
4
M8
13
14.20
5.5
M10
17
18.72
7
M12
19
20.88
8
M16
24
26.17
10

 

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