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In contrast to the single-slot drive, the cross recess drive (also known as a Phillips drive) offers the advantage that the screwdriver blade can no longer slip out to the side and cause damage to the workpiece. Due to the tapering of the inner flanks in the cross recess, however, an axial force occurs when the screw is tightened, which pushes the blade out of the drive. This phenomenon is also known as the cam-out effect. The cross recess H drive is also used on our window construction screws (FEX), since the screwing-in torque is not too high. What this means for you: A simple Phillips screwdriver is all you need to install your windows quickly and securely.
Installing window and door frames with plastic and aluminium profiles calls for a head shape that can withstand high pulling forces whilst not being too thick. Our flat countersunk head ticks both boxes. It finds its place on our SPAX-RA full-thread screw, which is used for the plug-free fastening of window and door frames. As you might expect, the T-STAR plus drive takes care of force application. What this means for you: No more obstructive screw heads inside window and door frames.
A double-lead thread is a thread with two different thread turns. While the main thread pulls the screw into the load-bearing component as usual, a counter-rotating thread below the head ensures that the attachment is tightly fastened without any movement. The double-lead thread is used on our FEX fitting screw, which anchors window and door fittings in PVC and wooden profiles. What this means for you: Fittings are installed at the desired position steady as a rock.
The CUT point on our SPAX screws enables the ultra-fast and effective insertion of our wood screws without pre-drilling. In combination with the serrations, the arrow-shaped CUT point reduces wood splitting and tearing. The CUT point also enables extremely precise and sturdy setting of the screw tip on smooth surfaces. What this means for you: You can skip an entire work step, since pre-drilling is no longer required for most woods. Saves both your screwdriver battery and your own energy – no more annoying slipping on smooth wood and derived timber products.
Effective corrosion protection is a must for screws used for outdoor structures not exposed to the elements. For this, SPAX has developed the WIROX coating, which far outdoes conventional galvanisation in terms of both protection and durability. Our WIROX-coated screws are significantly more resistant to mechanical stress than their counterparts with chromate conversion coating. No chromium(VI) is used for WIROX, which means that even after years in an area not directly exposed to the elements, the screws are not only just as resilient, but are entirely environmentally friendly, too. Our WIROX screws are the ideal choice for all open structures without direct exposure to the elements, such as carports and pergolas. For areas with extreme weather exposure, such as decking, we continue to recommend our stainless-steel screws. What this means for you: When you use our corrosion-protected screws outdoors, you can be safe in the knowledge that your structure is well fastened – in outdoor areas not directly exposed to the elements, WIROX keeps our screws statically rigid and reliably protected over many years. So there's no need for visual inspections every year!
In contrast to the single-slot drive, the cross recess drive offers the advantage that the screwdriver cannot slip out to the side and cause damage to the workpiece. The cross recess H drive is used on our window construction screws (FEX) and drywall screws (GIX), since the screwing-in torque is not too high.
The flat countersunk head has a polygonal underside ("pockets") that mills its way into the wood and can therefore be countersunk without having to pre-drill the screw hole. The flat countersunk head sits flush with the surface.
A double-lead thread is a thread with two different thread turns. While the main thread pulls the screw into the load-bearing component as usual, a counter-rotating thread below the head ensures that the attachment is tightly fastened without any movement. The double-lead thread is used on our FEX fitting screw, which anchors window and door fittings in PVC and wooden profiles.
The CUT point on our SPAX screws enables the ultra-fast and effective insertion of our wood screws without pre-drilling. In combination with the serrations, the arrow-shaped CUT point reduces wood splitting and tearing. The CUT point also enables extremely precise and sturdy setting of the screw tip on smooth surfaces.
With WIROX, SPAX has developed a coating that is far superior to galvanisation when it comes to corrosion protection. No chromium(VI) is used for WIROX, which means that even after years in an area not directly exposed to the elements, the screws are not only just as resilient, but are entirely environmentally friendly, too. WIROX screws are the ideal choice for all open structures without direct exposure to the elements, such as carports and pergolas. For areas with direct weather exposure, such as decking, we recommend our stainless-steel screws.
In contrast to the single-slot drive, the cross recess drive (also known as a Phillips drive) offers the advantage that the screwdriver blade can no longer slip out to the side and cause damage to the workpiece. Due to the tapering of the inner flanks in the cross recess, however, an axial force occurs when the screw is tightened, which pushes the blade out of the drive. This phenomenon is also known as the cam-out effect. The cross recess H drive is also used on our window construction screws (FEX), since the screwing-in torque is not too high. What this means for you: A simple Phillips screwdriver is all you need to install your windows quickly and securely.
Installing window and door frames with plastic and aluminium profiles calls for a head shape that can withstand high pulling forces whilst not being too thick. Our flat countersunk head ticks both boxes. It finds its place on our SPAX-RA full-thread screw, which is used for the plug-free fastening of window and door frames. As you might expect, the T-STAR plus drive takes care of force application. What this means for you: No more obstructive screw heads inside window and door frames.
A double-lead thread is a thread with two different thread turns. While the main thread pulls the screw into the load-bearing component as usual, a counter-rotating thread below the head ensures that the attachment is tightly fastened without any movement. The double-lead thread is used on our FEX fitting screw, which anchors window and door fittings in PVC and wooden profiles. What this means for you: Fittings are installed at the desired position steady as a rock.
The CUT point on our SPAX screws enables the ultra-fast and effective insertion of our wood screws without pre-drilling. In combination with the serrations, the arrow-shaped CUT point reduces wood splitting and tearing. The CUT point also enables extremely precise and sturdy setting of the screw tip on smooth surfaces. What this means for you: You can skip an entire work step, since pre-drilling is no longer required for most woods. Saves both your screwdriver battery and your own energy – no more annoying slipping on smooth wood and derived timber products.
Effective corrosion protection is a must for screws used for outdoor structures not exposed to the elements. For this, SPAX has developed the WIROX coating, which far outdoes conventional galvanisation in terms of both protection and durability. Our WIROX-coated screws are significantly more resistant to mechanical stress than their counterparts with chromate conversion coating. No chromium(VI) is used for WIROX, which means that even after years in an area not directly exposed to the elements, the screws are not only just as resilient, but are entirely environmentally friendly, too. Our WIROX screws are the ideal choice for all open structures without direct exposure to the elements, such as carports and pergolas. For areas with extreme weather exposure, such as decking, we continue to recommend our stainless-steel screws. What this means for you: When you use our corrosion-protected screws outdoors, you can be safe in the knowledge that your structure is well fastened – in outdoor areas not directly exposed to the elements, WIROX keeps our screws statically rigid and reliably protected over many years. So there's no need for visual inspections every year!
In contrast to the single-slot drive, the cross recess drive offers the advantage that the screwdriver cannot slip out to the side and cause damage to the workpiece. The cross recess H drive is used on our window construction screws (FEX) and drywall screws (GIX), since the screwing-in torque is not too high.
The flat countersunk head has a polygonal underside ("pockets") that mills its way into the wood and can therefore be countersunk without having to pre-drill the screw hole. The flat countersunk head sits flush with the surface.
A double-lead thread is a thread with two different thread turns. While the main thread pulls the screw into the load-bearing component as usual, a counter-rotating thread below the head ensures that the attachment is tightly fastened without any movement. The double-lead thread is used on our FEX fitting screw, which anchors window and door fittings in PVC and wooden profiles.
The CUT point on our SPAX screws enables the ultra-fast and effective insertion of our wood screws without pre-drilling. In combination with the serrations, the arrow-shaped CUT point reduces wood splitting and tearing. The CUT point also enables extremely precise and sturdy setting of the screw tip on smooth surfaces.
With WIROX, SPAX has developed a coating that is far superior to galvanisation when it comes to corrosion protection. No chromium(VI) is used for WIROX, which means that even after years in an area not directly exposed to the elements, the screws are not only just as resilient, but are entirely environmentally friendly, too. WIROX screws are the ideal choice for all open structures without direct exposure to the elements, such as carports and pergolas. For areas with direct weather exposure, such as decking, we recommend our stainless-steel screws.
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