ignation Des FC11 FA12 FA13 FA14 FA15 FA16 FA20 FA23 FA24 FA13F FA14F FA15F FA16F FA20F Unifast Self tapping screws, A-thread to timber Self tapping screws, A-thread to timber & B-thread to light section steel. Bonded EPDM seal- ing washer. Self tapping screws for pre-drilled holes. Intended for fastening in timber or in light section steel with thickness 1.0 - 3.0 mm. See installation instructions below for selection of drill diameter. ensions Dim apacity Drill c cl. rrosiotnection terial Co pro Ma asher Ø W /socket Bit tity/pack cription Quan Des 6,5 x 20 6,5 x 25 6,5 x 38 6,5 x 51 6,5 x 64 6,5 x 75 6,5 x 100 6,5 x 130 6,5 x 150 6,5 x 38 6,5 x 51 6,5 x 64 6,5 x 75 6,5 x 100 C2 - C3 C2 - C3 C2 - C3 C2 - C3 C2 - C3 C2 - C3 C1 - C2 C1 - C2 C1 - C2 C3 C3 C3 C3 C3 8 mm/ 16 3/8" 8 mm/ 16 3/8" 8 mm/ 16 3/8" 8 mm/ 16 3/8" 8 mm/ 16 3/8" 8 mm/ 16 3/8" 8 mm/ 16 3/8" 8 mm/ 16 3/8" 8 mm/ 16 3/8" 8 mm/ 14 3/8" 8 mm/ 14 3/8" 8 mm/ 14 3/8" 8 mm/ 14 3/8" 8 mm/ 14 3/8" 250 Bonded EPDM sealing washer 250 250 200 100 100 100 100 100 250 200 Hexagon flange head, Ø 14 mm 100 100 100 Installation instruction Use continuous speed control or low-speed screwdriver, suitable speed 300-600 rpm. While waiting for the execution standard EN1090-4 to be completed, it is recommended that the procedure according to StBK - N5-33:842K is used to determine suitable hole diameters. Hole diameters according to the adjoining table should be considered as guideline values. A-threaded at least 30 mm of the screw should fasten in the substrate. In some cases, dimensioning of the pull-out values is necessary. Guideline values for drill diameter for self tapping screws light section steel Screw, Ø 4,8 4,8 6,3 6,3 Thickness, substrate 1,0 - 1,5 1,6 - 2,0 1,25 - 1,5 2,0 - 3,0 Drill hole, Ø 3,7 3,9 5,0 5,3 34 Marutex presentation pages 7-11 C F Paint systems pages 98-99
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