Small square head bolts are compact in size. The heads of the bolts are square and you can easily tighten them with a wrench. They are not prone to slipping during installation, and the screw part is relatively thin, making it convenient for you to use in narrow Spaces.
Small square head bolts can be used to fix watch straps. Watches are small in size, so you can use them to precisely fix the strap. They won't affect the overall appearance and can be stably connected. You don't have to worry about the strap falling off when wearing them daily.
The square head bolts can also be used to fix the wobbling chair legs in the kitchen. Bolts can be used in conjunction with ordinary wrenches. They are small in size, so they can be hidden under furniture. When guests lean back, there is no need to worry about spilling anything anymore.
Some camping enthusiasts will use these square head bolts to fix loose tent poles. Because of their small size, campers will carry some spare ones in their backpacks. After you install them, you no longer need to worry about the tent poles collapsing.
The greatest advantage of small square head bolts is that they are small, flexible and practical. It is small in size and can be used in places with limited space. The square head makes it easier for you to tighten and remove them without much effort. Their prices are reasonable and they are very cost-effective for fixing small parts.
Mon
M5
M6
M8
M10
M12
M14
M16
M18
M20
P
0.8
1
1.25
1.5
1.75
2
2
2.5
2.5
ds min
4.48
5.35
7.19
9.03
10.86
12.7
14.7
16.38
18.38
ds max
5
6
8
10
12
14
16
18
20
e min
9.93
12.53
16.34
20.24
22.84
26.21
30.11
34.01
37.91
k min
3.26
3.76
4.76
5.76
6.71
7.71
8.71
9.71
10.65
k max
3.74
4.24
5.24
6.24
7.29
8.29
9.29
10.29
11.35
r min
0.2
0.25
0.4
0.4
0.6
0.6
0.6
0.8
0.8
s max
8
10
13
16
18
21
24
27
30
s min
7.64
9.64
12.57
15.57
17.57
20.16
23.16
26.13
29.16