S e c t i o n 1 - P a g e 1 May 2013 C1060 S teel C1070 C1070M 20,000 lbs (89 kN) 33,400 lbs (148 kN) 17,100 lbs (76 kN) 31,200 lbs (139 kN) 28,400 lbs (126 KN) 35,000 lbs (156 KN) 13,600 lbs (60 kN) 22,600 lbs (100 kN) Y ield S tr ength, min. T ensile S tr ength, min. Minimum 8Minimum 2.2Minimum 12Ultimate Axial S train 5 / 8 " Bolt 5 / 8 " TBE Bolt 3 / 4 " Bolt 5 / 8 " Bolt All dimensions in accor dance with ASTM F432 CSA M430-90 specifications 5 / 8 " Bolt 3 / 4 " Bolt ±± 0.68 " ( 17.3 mm) E Body Diameter F Head Acr oss Flat s G Head Acr oss Cor ners H Head Height I Thr ead Size, lef t right Head T ype 1 1 / 8 " Squar e All bolt s All bolt s T -Dome 1 1 / 8 " Squar e 1 1 / 8 " Squar e T -Dome T -Dome 1.088 " - 1.125 " (27.64 - 28.58 mm) 0.906 " - 0.938 " (23.01 - 23.83 mm) 1.425 " - 1.591 " (36.19 - 40.41 mm) 1.244 " - 1.326 " (31.60 - 33.68 mm) 0.40 " (10.16 mm) 5 / 8 " - 1 1 UNC 3 / 4 " - 10 UNC 7 / 8 " - 9 UNC ±± 0.56 " ( 14.2 mm) length as specified H F G E I thr ead length as specified 5 3 3 / 4 " (95 mm) min. 12" (305 mm) max. (6 mm) up to 10' (3 m) (13 mm) over 10' ( 3 m ) 1 / 4 " 1 / 2 " – – All mechanical physical pr oper ties in accor dance with ASTM F432, ASTM A29 CSA M430-90 specifications 5 / 8 " steel special or der A29 (gr75 for USA) Y ield S tr ength, min. T ensile S tr ength, min. Minimum 8Ultimate Axial S train 17,000 lbs (75 kN) 22,600 lbs (100 kN) 5 / 8 " Bolt 25,100 lbs (111 kN) 33,400 lbs (149 kN) 3 / 4 " Bolt C1055 (A29) 15,600 lbs (69 kN) 24,000 lbs (106 kN) Minimum 105 / 8 " Bolt USA manufactur ed bolts: made to ASTM F432 and MSHA appr oved DSI G3 5 48 bolt length 34,700 lbs (154.3 kN) 46,200 lbs (205.5 kN) 7 / 8 " Bolt 7 / 8 " Bolt ± 0.79 " ± ( 20.1 mm ) Mechanical Rock Bolts (Forged Head Thr eaded) Nominal 5 / 8 " and 3 / 4 " sizes and 7 / 8 " T -Dome (1 5 / 1 6 " Squar e) Thr eaded Both End (TBE) Forged Head (1 1 / 8 " Squar e) continued Head T ype 5 / 8 " Bolt 3 / 4 " Bolt 7 / 8 " Bolt Body Diameter E All bolts ±0.56" (±14.2 mm) ±0.68" (±17.3 mm) ±0.79" (±20.1 mm) Head Acr oss Flats F 1 1 / 8 " Squar e T -Dome 1.088" - 1.125" (27.64 - 28.58 mm) 0.906" - 0.938" (23.01 - 23.83 mm) Head Acr oss Cor ners G 1 1 / 8 " Squar e T -Dome 1.425" - 1.591" (36.19 - 40.41 mm) 1.244" - 1.326" (31.60 - 33.68 mm) Head Height H 1 1 / 8 " Squar e T -Dome 0.40" (10.16 mm) Thr ead Size (left and right) I All Bolts 5 / 8 "- 11 UNC 3 / 4 "- 10 UNC 7 / 8 "- 9 UNC Dimensions All dimensions in accordance with ASTM F432 CSA M430-90 specications www .dsiundergr ound.com