Self drilling screws countersunk head TX with cutting thread and special wings, (code 80196) are used in several carpentry works like the fastening of wooden elements onto sheet plating or other metal items.
The structure of TSP TX screws, with cutting thread and wings, is an example of rational and high functional design, because given that pre-drilling is not required, it allows to significantly speed up the operations of fixing and tightening.
The tightening of the screw is to be made with an electric screwdriver: TX bits are sold separately, and beyond model 00070, there are also bits 00075, with 50 mm length.
The recommended screwdriver speed is 2.000 revolutions per minute, speed estimated after several tests in conformity with regulatory norms. However, this speed is purely indicative.
Thanks to its self-drilling tip which easily penetrates wood and metal, pre-drilling is not required, thus saving time and money.
The special wings create a hole which is larger than the thread, but they crack when they reach the metal, allowing in this way its tapping.
The ribs under head let the head of the screw to create a smooth surface with the wood, without dangerous and unsightly steps.
Self-drilling screws countersunk head TX with cutting thread and special wings are made up of C1022 carbon steel, with Cr3 zinc plating, which is hexavalent chromium free, respecting the parameters of the Restriction of Hazardous Substances Directive RoHS.
They fit the norms DIN 7504 P(o)T and thanks to the Gost R certificate they can be sold in Russia.
Ambrovit has 13 different sizes of self-drilling TSP TX: diameter 5,5 mm includes 38 mm, 45 mm, 50 mm, 60 mm, 70 mm e 80 mm lengths, while diameter 6,3 mm includes 35 mm, 50 mm, 55 mm, 60 mm, 70 mm, 80 mm e 100/80 mm lengths.
The boxes contain from 100 to 200 pcs according to the sizes, with a minimum quantity from 2 to 4 boxes.
All these articles are available and ready to deliver in 24/48 hours.
In order to have more details on surface or hearth hardness, drilling capacity, visit Ambrovit catalogue.