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 “Innovations in T imber Construction  “   Art. No.  Dimensions [mm]  EAN  PU  Art. No.  Dimensions [mm]  EAN  PU
           KKT G SCREW Ø 5.0 MM GREEN
                                                         KKT V4A SCREW Ø 5.0 MM
           POWDER COATED, TX 20
                                                         STAINLESS STEEL, TX 20
 GH KKT  92976550  5.0    x X  50       4019346  200  92977550  5.0  x x  50         4019346  200
          TX 20
                                                        TX 20
                   Ø
                           L
                                                                Ø
                                                                        L
                                                                                      137611
                                        136966
        92976560  5.0    X  60          136973  200   92977560  5.0    X  60          137628  200
 WWW.HOLZBAUSCHRAUBEN.DE  92976570  5.0    X  70  136980  100  92977570  5.0    X  70  137635  100
 WAFER HEAD, COUNTERSUNK DECKING SCREW




 ETA-12/0501






 Powder coated






 Powder coated and
 in stainless steel  Extra small tapered head







 Opposing thread
 up to under the head
               KKT G             KKT VA
                                                                Tapered underhead
                                                                If the screw is inserted flush with the timber
                                                                surface, the wood fibres surround the tapered
                                                                head. This reduces or prevents the penetration of
 Fine pitch thread                                              moisture.
 for exact adjusting of the length of engagement
                                                    The small tapered underhead diameter prevents the wood fibres from
                                                    being torn out and reduces the splitting effect in the boundary area.
 Thread up to the tip
 for good “bite”
 Nail tip with set-back notch
 for precise positioning                                        Opposing thread
                                                                This in turn relieves the screw head and the load is
                                                                carried by the counter thread.
                                                                Reduced edge clearances are possible, even
                                                                without predrilling.










                                                     1       5        6        7      8

 *incl.                                              9       10       11      12
 1 bit
                                                    For advantages, see screw overview on page 94 — 95



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