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37 R E L A S T ® D E S I G N M A N U A L Installation parameters RELAST ® 16 RELAST ® 22 Metric thread M16 M20 Nominal drill bit diameter d 01 [mm] 16 22 Drill bit cutting diameter d cut 01 [mm] ≤ 16 5 ≤ 22 5 Stepnominal drill bit diameter d 02 [mm] 20 25 Stepdrill bit cutting diameter d cut 02 [mm] ≤ 20 5 ≤ 25 5 Drill hole depth for shear reinforcement h 1 [mm] 170 to 2010 210 to 2010 Drill hole depth for punching shear reinforcement h 1 [mm] 170 to 1005 210 to 1005 Drill hole depth of standard bore h 1 1 [mm] 170 210 Drill hole depth of stepped bore h 1 2 [mm] h 1 - 170 h 1 - 210 Minimum embedment depth h nom min [mm] > 160 > 200 Minimum overhead t ov [mm] 47 52 Tightening torque Tinst [Nm] 25 50 2 Stepped bore method