Heico-Lock

A4-70 & A4-80

Stainless Steel with A4-70 bolt lubricatied with MoS2

Bolt Size Thread Pitch [mm] Mean Diam. of Thread [mm] Load Area [mm2] Thread Friction µT OD of Contact Area [mm] ID of Contact Area [mm] Mean Ø Contact Area Washer Friction µW Yield Point of Bolt [Mpa] Ratio of Yield Point Tension 65% Rel [Mpa] Clamp load [kN] Torque Total [Nm] Torque Total FT/LBS
M45 4.5 42.1 1306.06 0.14 70 46.2 58.10 0.15 450 65% 292.5 382 3,239 2,387
M48 5 44.8 1473.22 0.14 75 49.6 62.30 0.15 450 65% 292.5 431 3,917 2,886
M52 5 48.8 1757.9 0.14 80 53.6 66.80 0.15 450 65% 292.5 514 5,013 3,695
M56 5.5 52.4 2030.1 0.14 85 59.1 72.05 0.15 450 65% 292.5 594 6,247 4,604
M60 5.5 56.4 2362.1 0.14 90 63.1 76.55 0.15 450 65% 292.5 691 7,726 5,694
M64 6 60.1 2676.1 0.14 95 67.1 81.05 0.15 450 65% 292.5 783 9,312 6,863
M68 6 64.1 3055.4 0.14 100 71.1 85.55 0.15 450 65% 292.5 894 11,223 8,271
M72 6 68.1 3460 0.14 105 75.1 90.05 0.15 450 65% 292.5 1,012 13,377 9,859
M76 6 72.1 3889 0.14 110 79.1 94.55 0.15 450 65% 292.5 1,138 15,791 11,638
M80 6 76.1 4344 0.14 115 83.1 99.05 0.15 450 65% 292.5 1,271 18,477 13,617

Stainless Steel with A4-80 bolt lubricated with MoS2

Bolt Size Thread Pitch [mm] Mean Diam. of Thread [mm] Load Area [mm2] Thread Friction µT OD of Contact Area [mm] ID of Contact Area [mm] Mean Ø Contact Area Washer Friction µW Yield Point of Bolt [Mpa] Ratio of Yield Point Tension 65% Rel [Mpa] Clamp load [kN] Torque Total [Nm] Torque Total FT/LBS
M45 4.5 42.1 1306.06 0.14 70 46.2 58.10 0.15 600 65% 390 509 4,318 3,183
M48 5 44.8 1473.22 0.14 75 49.6 62.30 0.15 600 65% 390 575 5,222 3,849
M52 5 48.8 1757.9 0.14 80 53.6 66.80 0.15 600 65% 390 686 6,684 4,926
M56 5.5 52.4 2030.1 0.14 85 59.1 72.05 0.15 600 65% 390 792 8,330 6,139
M60 5.5 56.4 2362.1 0.14 90 63.1 76.55 0.15 600 65% 390 921 10,301 7,592
M64 6 60.1 2676.1 0.14 95 67.1 81.05 0.15 600 65% 390 1,044 12,416 9,150
M68 6 64.1 3055.4 0.14 100 71.1 85.55 0.15 600 65% 390 1,192 14,964 11,028
M72 6 68.1 3460 0.14 105 75.1 90.05 0.15 600 65% 390 1,349 17,837 13,146
M76 6 72.1 3889 0.14 110 79.1 94.55 0.15 600 65% 390 1,517 21,054 15,517
M80 6 76.1 4344 0.14 115 83.1 99.05 0.15 600 65% 390 1,694 24,636 18,157