ignation Des ensions Dim Uniwing Timber to heavy section steel Self-drilling screw for fastening timber to heavy section steel. The screw’s wings mill free space in the timber so it is not pulled up against the head, locking the assembly. When the wings reach the steel, they break off and the thread grips the steel and completes the assem- bly. Countersunk head with grooves mean the screw is effectively countersunk in the timber. ber n.tim ink in Th M Drill capacity Max cl. rosiotnection erial Cor pro Mat /socket Bit tity/pack ription Quan Dec H63 H65 H67 H68 5,5 x 60 - 25 5,0 12,5 C1 5,5 x 85 22 - 50 5,0 12,5 C1 5,5 x 109 40 - 75 5,0 12,5 C1 5,5 x 130 60 - 91 5,0 12,5 C1 Ph3 200 Ph3 200 Ph3 100 Ph3 100 H73 H75 H77 H78 5,5 x 60 rrosion Co - 21 5,0 12,5 C4 A2 Ph3 200 Stainless steel 5,5 x 85 17 - 46 5,0 12,5 C4 A2 Ph3 200 5,5 x 109 40 - 70 5,0 12,5 C4 A2 Ph3 100 5,5 x 130 60 - 91 5,0 12,5 C4 A2 Ph3 100 Other models and sizes on request Uniwing assembly function Uniwing mills free space in the timber so it is not pulled up against the head, locking the assem- bly. When the wings then reach the steel they break off and the thread grips in the steel and completes the assembly. The head’s grooves mean the screw is effectively countersunk in the timber. C Corrosion protection classes pages 100-101 T Technical facts/installation pages 102-107 43
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