Craftsman ZT 7000 Operator's Manual page 113

HardwaregdefitificatiaH Terqu8 SpBcificatigfis
Common Hardware Types
HexHead Capscrew
CarriageBolt
(_Washer
(_ Lockwasher
O HexNut
Standard Hardware Sizing
When a washer or nut is identified as 1/2", this is the
Nominal size, meaning the inside diameter is 1/2 inch; if a
second number is present it represent the threads per inch
When bolt or capscrew is identified as 1/2 - 16 x 2", this
means the Nominalsize, or bodydiameteris 1/2 inch; the
second number represents the threads per inch (16 in this
example, and the final number is the body length of the
bolt or screw (in this example 2 inches long)
The guides and ruler furnished below are designed to
help you select the appropriate hardware and tools.
m_
L
Nut, 1/2"
Inside
Diameter
Screw, 1/2 x 2 -3
OadyJ |
Diameterl Body'_ -
Torque Specification Chart
FORSTANDARD MACHINEHARDWARE (Tolerance _*20%)
Hardware @
Grade
SAE Grade 2
Size Of in//bs
Hardware ft]]bs Nm
8-32
8-36
10-24
10-32
1/4-20
1/4-28
5/16-18
5/16-24
3/8-16
3/8-24
7/16-14
7/16-20
1/2-13
1/2_20
9/16-12
9/16-18
5/8-11
5/8-18
3/4-10
3/4-16
7/8-9
7/8-14
1-8
1-12
19 21
20 2_3
27 31
31 35
66 76
76 86
11 150
12 163
20 272
23 313
30 40 8
35 476
50 68 0
55 74 8
65 88 4
75 102 0
90 122 4
100 136
160 217 6
180 2448
140 1904
155 210.8
220 2992
240 3264
© ©
SAE Grade 5 8AEGrade 8
in/Ibs in_b_
flJ]bs Nm. Wlbs Nm
113'441
31 35 43
4 9 60
_4_ 5 5 68
8 109 12
10 136 14
17 231 25
19 25 8 27
30 40 8 45
35 47 6 50
50 68 0 70
55 74 8 80
75 102 0 110
90 1224 120
110 1496 150
120 163.2 170
150 2040 220
180 2448 240
260 3536 386
300 408_0 420
400 5440 600
440 5984 660
580 788_8 900
640 8704 1,0OO
NOTES
46
49
68
77
163
190
34 0
34 0
61 2
68 0
95,2
1088
1496
1632
2040
2312
299,2
3264
525,0
5712
8160
897 6
1,244 8
1,360 0
1 These torque valcasare to be used for all hardware
excluding: Iocknuts, self-tapping screws, threadforming
screws, sheet metal screws and socket head setscrews
2. Recommended seating torque values for locknuts:
a for prevailing torque locknuts- use 65% of grade 5
torques,
b for flange whizlock nuts and screws * use 135% of
grade 5 torques_
3. Unless otherwise noted on assembly drawings, all torque
values must meet this specification
Wrench & Fastener Size Guide
1/4" Bolt or Nut 5/16" Bolt or Nut 3!8" Bolt or Nut 7/16" Bolt or Nut
Wrench--7/16" Wrench--I/2" Wrench--9/16" Wrench (Bolt)--5/8"
Wrench (Nut)--11/16"
1/2" Bolt or Nut
Wrench--3/4"
PTS - 45