Zero-Max Stainless Steel Single flex six bolt Composite Disc Couplings - Manual (Page 3)

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TOLL FREE 1-800-533-1731
www.zero-max.com Revised on 5/2/12
Screw Size Wrench
Size
Torque
(in lb)
Torque
(Nm)
¼-20unc 0.125 70 7.9
3/8-16unc 0.188 230 26
½-13unc 0.250 500 56
Metric
M5 x 0.8 2.5mm 28 3.2
M6 x 1.0 3mm 51 5.8
M8 x 1.25 4mm 120 13.6
M10 x 1.50 5mm 230 26
Table 2
Stainless Steel Set Screw Torque Table
Clamp Collar
Slot
(4) Hub Slots
90°
45°
Table 3
Stainless Steel Clamp Collar Bolt Torque Table
Clamp bolt
Size
Wrench
Size
Torque
(in lb)
Torque
(Nm)
¼-28unf 0.188 110 12.4
5/16-24unf 0.250 195 22
3/8-24unf 0.312 345 39
Metric
M6 x 1.0 5mm 85 9.6
M8 x 1.25 6mm 195 22
Fig. 1
Set Screw Style Hub
Fig. 2
Clamp Style Hub
Clamp Hub Assembly
Before tightening the clamp collar
screw(s), orient the clamp collar slot (see
Fig. 3) 90 degrees from the keyway
centerline. If there is no keyway orient the
clamp collar slot 45 degrees from one of
the hub slots (see Fig. 3)
Fig. 3
Clamp Slot Location