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Jamo 4 CS screw for adjustable distance mounting Steel zinc-plated partial thread with underhead thread for adjusting the countersunk head
Screw for making adjustments to the mounting distance of wooden substructures on wooden, stone or concrete surfaces
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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, one bit for many screw diameters
- Compatibility with previous AW drive
Permanent attachment of the component to be connected
- Fixed connection of two wooden parts or wooden parts on a masonry surface 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
Ideal for friction-free screw fitting in plastic, such as in anchors or in homogeneous highly compressed wooden materials
- Screw bites rapidly through the continuous thread design to the tip of the screw
- Non-spreading screwing in thanks to tip geometry without any component to reduce splitting
High strength values and ductility
- Adjusted heat treatment guarantees high strength values and high ductility
- Do not use for screw applications with direct exposure to the elements or in humid rooms with atmospheres containing chlorine gas
- Do not use the screw in applications with direct exposure to the elements or in humid rooms with atmospheres containing chlorine gas. 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 contains chlorine, HCR stainless steel screws
ETA-11/0190 approved
The requirements of the European Technical Approval (ETA) must be observed
For wood-wood connections designed for adjustment or wood-masonry connections
A fixed connection between two components 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 utilisation class 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 a ∅ > 4 mm in utilisation class 2 (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, the right-size RW bit must be used
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