BobTail System

Collar Dimensions (metric) DIA. F G H J 12mm ( 10.9 ) 24.1 - 25.4 17.3 - 17.7 18.3 - 18.5 12.1 - 12.3 14mm ( 8.8 ) 28.2 - 29.6 20.5 - 21.0 20.9 - 21.1 14.0 - 14.3 14mm ( 10.9 ) 28.2 - 29.6 20.5 - 21.0 21.1 - 21.5 14.0 - 14.4 16mm ( 10.9 ) 32.3 - 33.8 23.1 - 23.7 24.1 - 24.5 16.0 - 16.4 20mm ( 10.9 ) 40.3 - 42.1 29.0 - 29.6 30.2 - 30.6 20.1 - 20.5 Installed Fastener Values - lbf (KN) DIA. CLAMP TENSILE SHEAR 12mm (10.9) 14,600 (64.9) 19,700 (87.6) 14,700 (65.4) 14mm (8.8) 15,000 (66.7) 21,500 (95.6) 18,500 (82.3) 14mm (10.9) 19,500 (86.7) 27,000 (120.1) 21,100 (93.8) 16mm (10.9) 26,000 (115.6) 36,600 (163.0) 26,000 (115.6) 20mm (10.9) 40,700 (181.0) 57,300 (254.9) 41,000 (182.4) Grip Tables (metric) GRIP GRIP RANGE 12MM 14MM 16MM 20MM D E D E D E D E 10 5-15 3.8 34.2 3.8 37.1 3.8 40.1 3.8 45.9 15 10-20 3.8 39.2 3.8 42.1 3.8 45.1 3.8 50.9 20 15-25 3.8 44.2 3.8 47.1 3.8 50.1 3.8 55.1 25 20-30 3.8 49.2 3.8 52.1 3.8 55.1 3.8 60.9 30 25-35 3.8 54.2 3.8 57.1 3.8 60.1 3.8 65.9 35 30-40 3.8 59.2 3.8 62.1 3.8 65.1 3.8 70.9 40 35-45 3.8 64.2 3.8 67.1 3.8 70.1 3.8 75.9 45 40-50 3.8 69.2 3.8 72.1 3.8 75.1 3.8 80.9 50 45-55 3.8 74.2 3.8 77.1 9.5 80.1 3.8 85.9 55 50-60 3.8 79.2 3.8 82.1 9.5 85.1 3.8 90.9 60 55-65 3.8 84.2 3.8 87.1 9.5 90.1 3.8 95.9 65 60-70 3.8 89.2 3.8 92.1 9.5 95.1 9.5 100.9 70 65-75 3.8 94.2 3.8 97.1 9.5 100.1 9.5 105.9 75 70-80 3.8 99.2 9.5 102.1 9.5 105.1 9.5 110.9 80 75-85 9.5 104.2 9.5 107.1 9.5 110.1 9.5 115.9 85 80-90 — — — — 9.5 115.1 9.5 120.9 90 85-95 — — — — 9.5 120.1 9.5 125.9 95 90-100 — — — — 9.5 125.1 9.5 130.9 100 95-105 — — — — 9.5 130.1 9.5 135.9 105 100-110 — — — — 9.5 135.1 9.5 140.9 110 105-115 — — — — 9.5 140.1 9.5 145.9 115 110-120 — — — — 9.5 145.1 9.5 150.9 120 115-125 — — — — 9.5 150.1 9.5 155.9 125 120-130 — — — — — — 9.5 160.9 130 125-135 — — — — — — 9.5 165.9 135 130-140 — — — — — — 9.5 170.9 Inspection Data (metric) DIA. A MIN B MAX C MIN D MAX 12mm 10.9mm 24.0mm 14.1mm 17.3mm 14mm 10.9mm 24.4mm 15.8mm 20.2mm 16mm 10.9mm 24.8mm 18.0mm 23.1mm 20mm 13.9mm 28.5mm 22.6mm 28.8mm Hole Data (metric) DIAMETER MAX HOLE 12mm 13.5mm (17/32") 14mm 15.5mm (39/64") 16mm 17.5mm (11/16") 20mm 22mm (7/8") Should “A” or “B” dimensions exceed the given values, the fastener is out-of-grip. A “C” dimension less than the given value indicates an incomplete swage. A “D” dimension greater than the given values indicates an incorrect or worn anvil on the installation tool. A MIN. C MIN. D MAX. B MAX. B F H J G Fit-Up Tab A D C E 7 Howmet Fastening Systems