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Recommended hole diameter when using sheet metal rim holes.

TAPTITE 2000 achieve almost twice the holding power in sheet metal rim holes that they achieve in punched or drilled holes in identical applications.
® sheet thickness 0,5 - 0,690,7 - 0,991,0 - 1,491,5 - 2,492,5 - 3,0nom.-Ø nominal-Ø hole diameter (dimension D fig. 7) M2,5 2,222,232,24-- M3 2,702,712,72-- M4 3,573,593,613,64- M5 -4,534,564,59- M6 -5,425,455,485,51 M8 --7,277,317,35M10--9,129,179,22
Chart 8 Chart 9 nom.-Øhole-Øsheet thickness (dimension T fig. 7)(Dim. D; Fig..7)0,6 - 1,01,0 - 1,21,2 - 2,02,0 - 2,52,5 - 3,0HRHRHRHRHRM2,52,22 - 2,24 1,000,131,000,131,000,151,100,25-- M32,70 - 2,72 1,200,131,200,131,200,151,300,251,350,25 M43,57 - 3,64 1,350,131,350,131,350,151,500,251,600,25 M54,53 - 4,59 --1,500,131,550,151,800,251,900,25 M65,42 - 5,51 --1,800,131,800,152,300,252,400,25 M87,27 - 7,35 ----2,100,152,950,253,200,25 M109,12 - 9,22 ----2,400,153,200,253,400,25
1) We recommend to perform lab tests in order to determine the best core hole geometry as well as the screwing parameters. Fig. 7 9