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Jamo plus 4 Special CSMR screw for adjustable distance mounting Steel zinc-plated partial thread with underhead thread for adjusting the countersunk head with milling pockets
Approved screw for adjustable stand-off installation of wooden substructures on wood
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Ideal power transmission thanks to RW drive
- More power due to larger contact area at the bit
- More stability, one-handed working, precise positioning due to the tight-fit recess and perfect fit of the bit
- Fewer bit changes, 1 bit for many screw diameters
- Compatibility with previous AW drive
Permanent attachment of the component to be connected
- Fixed connection of two wooden parts through the ring-shaped fixing grooves located at the bottom of the head, with a diameter larger than the screw diameter
- Clearance adjustment between two components by turning the screw back
Maximum reliability of the screw connection due to asymmetrical single thread
- Optimal matching of drill tip and thread geometry
- Excellent anchoring in wood due to asymmetrical arrangement of thread flanks
High strength values and ductility
- Adjusted heat treatment and high strength values guarantee a high ductility
- Do not use the screw in applications with direct exposure to the elements or in wet areas with chlorine gas atmospheres. If used outdoors and in rooms that are constantly exposed to high humidity, please use ASSY 4 A2 or A4 stainless steel screws and, if atmosphere is chlorine-containing, HCR stainless steel screws
- ASSY 4, ASSYplus 4, and ASSYplus 4 FT chipboard screws are optimised for use in wood and engineered wood. For applications in plastic anchors where load capacity can also be reduced, use only screws without an optimised thread tip (tip with milling ribs, drill tip, self-clearing groove, etc.), such as the JAMO 4 CS, ASSY D screws with countersunk head or pan head
For wood-wood connections designed for adjustment
A fixed connection between two woods is created when installed by the ring-shaped fixing grooves on the underside of the head with a larger diameter than the screw diameter. The permanent attachment of the component to be connected and the screw turn-back allows the distance between the components to be adjusted.
For applications in utilisation class 1 and 2 (from ∅ > 4 mm)
- High-quality surface protection, zinc, blue-passivated chromium(VI)-free 8 µm layer thickness
- Suitable for use in utilisation class 1 (interior) and from ∅ > 4 mm in utilisation class 2 (wet area or covered outdoor area) according to EN 1995-1-1:2010-12 + DIN SPEC 1052-100:2013-08
- The requirement of classification T2/C2 is fulfilled in accordance with prEN 14592:2017 (D)
- JAMO screws are approved for quasi-static loads
- For optimum use of the screw, use the exact fitting RW bit.
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