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Chapter 7: Appendix 30 of 37
Chapter 7: Appendix
7-1 Recommended Torque for Screws
(Grade 8 alloy steel heat-treated screws)
MM Screw Size
6
8
10
12
16
19
20
24
Inch Screw Size
1/4
5/16
3/8
7/16
1/2
5/8
3/4
7/8
1
Torque Ft. Lbs.
13
26
46
76
110
220
400
635
870
Note: Threads must be dry. Screw threads should be wiped with an oil-dampened cloth
before installation to prevent galling.
7-2 Technical Specifications
Features
Model Throat Size
Cutting Circle
Diameter
Throughput
Approx.
Weight
62B
20” x 62”
(510x1575 mm)
18” (457 mm)
4500 lbs/hr
(2045 kg)
22,000 lbs
(10,000 kg)
72B
20” x 72” (510 x
1830mm)
18” (457 mm)
5000 lbs/hr
(2272 kg)
26,000 lbs
(11818 kg)