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Universal screw with a wide flat round head is characterized by excellent mechanical strength andits structure proportion of the shaft and threaded parts. It has a high penetration capability without pre-drilling into hardwood. This screw can be replaced with some assembly carriage bolt and wood screw with a hexagonal head. By using this screw can achieve savings of up to fifty percent of work time. Such modified screws can be used on visible areas where it operates an aesthetic impression.Examples of applications: mounting bearing structures made ​​of wood, fences, gates, benches, garden furniture, shutters, etc.

The nominal diameter d167
p2,73
d33,5-3,74,1-4,3
d214,5-15,016,0-17,0
k max3,33,6
Nr. of Tip3030
t max1,92,1
t min1,51,7
Lb±5
3020,720,7
4030,730,7
5035,735,7
6040,740,7
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