Craftsman ZT 7000 Operator's Manual page 26

Common Hardware Types
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Standard Hardware Sizing
When a washer or nut is identified as 1/2", this is the
Nominal size, meaning the inside diameteri8 1/2 inch; if a
second number is present it represent the threads per inch
When bolt or cap,screw is identified as 1/2 - 16 x 2", this
means the Nominal size, or body diameter is 1/2 inch; the
second number represents the threads per inch (16 in this
e×ample, and the final number is the bodyfength of the
bolt or screw (in this ex_.mple 2 inches long).
The guides and ruler furnished below are designed to
help you select the appropriate hardware and tools.
Nut, 1/2"
Inside
Diameter
Screw, 112 x 2
DiamB_t_l_r ) )
Body L_
Length
I
Torque Specification Chart
FORSTANDARDMACHINEHARDWARE(Tolerance ± 20%)
=,'" @ 0 ©
SAEGrHd_ 2 SAEGrad_ 5 SAE6fade 8
Size 0f in/Ibs in.@s i_
Hardware fl!Ib$ Nrn. ft]lb$ N[nr fl!Ib$ N[nr
8-32
8-36
10-24
10-32
1/4-20
1/4-28
5/16-16
5/16-24
3/6-16
3/6-24
7/16-14
7/16-20
1/?-13
1/?-20
9/16-12
9/16-16
5/6-11
5i6-18
3i4-10
3/4-16
7i6-9
7/6-14
1-8
1-12
19 2.1
20 2.3
27 3.1
31 3.5
66 7.6
76 6.6 18
11 15.0 17
12 16.3 19
20 27.2 3_
23 31.3 35
30 40.6 59
35 47.6 55
50 66.0 75
55 74.6 99
65 86.4 119
75 102.0 12_
90 122.4 159
190 136 189
160 217.6 26_
180 244.6 309
140 190.4 409
155 210.6 44_
220 299.2 58_
240 326.4 649
30 3r4
41
31 3r5 43
43 4rg 60
49
5r 5 _
18 10.9 12
13.6 14
23.1 25
25.8 27
40.8 45
47.6 50
68.0 70
74.8 80
102.0 110
122.4 120
149.6 150
163.2 170
204.0 220
244.8 240
353.6 386
408.0 420
544.0 680
598.4 660
768.8 ggg
870.4 1,000
4.6
4.9
6.8
7.7
16.3
19.0
34.0
34.0
61.2
68.0
95.2
108.8
149.6
163.2
204.0
231.2
299.2
326.4
525.0
571.2
816.0
897.6
1,244.0
1,360.0
NOTES
1. These torque values are to be used for all hardware
excluding: Iocknuts, self-tappingscrews, thread forming
screws, sheet metal screws and sockethead setscrews.
2. Recommended seating torque values for Iocknuts:
a. for prevailing torque Iocknuts - use 65% of grede 5
torques.
b. for flange whizlock nuts and screws - use 135% of
grade 5 torques.
3. Unless otherwise noted on assembly drewings, all torque
values must meet this specification.
Wrench & Fastener Size Guide
1/4" Bolt or Nut 5/16" Bolt or Nut
Wrench 7/16" Wrench 1/2"
3/8" Bolt or Nut
Wrench 9/16"
©
7/16" Bolt or Nut
Wrench (Bolt)--5/8"
Wrench (Nut)--I 1/16"
1/2" Bolt or Nut
Wrench_i4"