ignation Des FA52 FA53 FA54 FA62 FA63 FA64 FA65 FA66 FA70 FA71 FA74 FA84 FA86 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. rosiontection erial Cor pro Mat asher Ø W /socket Bit tity/pack cription Quan Des 4,8 x 25 4,8 x 38 4,8 x 51 6,5 x 25 6,5 x 38 6,5 x 51 6,5 x 64 6,5 x 80 6,5 x 100 6,5 x 115 6,5 x 150 6,5 x 55 6,5 x 73 C4 8 mm/ A2 14 3/8" 250 Stainless steel 8 mm/ C4 A2 14 3/8" 250 8 mm/ C4 A2 14 3/8" 250 8 mm/ C4 A2 16 3/8" 250 8 mm/ C4 A2 16 3/8" 250 8 mm/ C4 A2 16 3/8" 200 8 mm/ C4 A2 16 3/8" 150 8 mm/ C4 A2 16 3/8" 150 8 mm/ C4 A2 16 3/8" 100 8 mm/ C4 A2 16 3/8" 100 8 mm/ C4 A2 16 3/8" 100 C4 8 mm/ Alu 16 3/8" 100 Aluminium 8 mm/ C4 Alu 16 3/8" 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 table below should be considered as guideline values. Guideline values for drill diameter for self tapping screws, A-thread Screw, Ø mm Drill hole, Ø mm 4,8 3,5 6,5 4,5 C Corrosion protection classes pages 100-101 T Technical facts/installation pages 102-107 35
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