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Home
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Tooling Components
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Driver Studs & Threaded Rod
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Driver Studs
Driver Studs
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Product Information
Black Oxide Finish
Tensile Strength: 125,000 p.s.i. min
Medium Carbon Steel
Most studs have wrench flats
Special lengths and sizes quoted upon request
Part No.
Thread A
B
C
Flats
Wt. (lbs/100pcs)
40301
1/4-20
1-1/2
1/2
NO
2
40302
1/4-20
2
3/4
NO
3
40303
1/4-20
2-1/2
1
NO
3
40304
1/4-20
3
1
NO
4
40305
1/4-20
3-1/2
1
NO
4
40306
1/4-20
4
1
NO
5
40307
1/4-20
4-1/2
1
NO
6
40308
1/4-20
5
1
NO
6
40309
1/4-20
5-1/2
1
NO
7
40310
1/4-20
6
1
NO
8
40311
1/4-20
6-1/2
1
NO
8
40312
1/4-20
7
1
NO
9
40313
1/4-20
7-1/2
1
NO
9
40314
1/4-20
8
1
NO
10
Part No.
Thread A
B
C
Flats
Wt. (lbs/100pcs)
40401
5/16-18
1-1/2
1/2
NO
3
40402
5/16-18
2
3/4
NO
4
40403
5/16-18
2-1/2
1
NO
5
40404
5/16-18
3
1-1/8
NO
6
40405
5/16-18
3-1/2
1-1/8
NO
7
40406
5/16-18
4
1-1/8
NO
8
40407
5/16-18
4-1/2
1-1/8
NO
9
40408
5/16-18
5
1-1/8
NO
10
40409
5/16-18
5-1/2
1-1/8
NO
11
40410
5/16-18
6
1-1/8
NO
12
40411
5/16-18
6-1/2
1-1/8
NO
13
40412
5/16-18
7
1-1/8
NO
14
40413
5/16-18
7-1/2
1-1/8
NO
15
40414
5/16-18
8
1-1/8
NO
16
Part No.
Thread A
B
C
Flats
Wt. (lbs/100pcs)
40501
3/8-16
1-1/2
1/2
NO
4
40502
3/8-16
2
3/4
NO
6
40503
3/8-16
2-1/2
1
NO
8
40504
3/8-16
3
1
YES
10
40505
3/8-16
3-1/2
1-1/4
YES
12
40506
3/8-16
4
1-1/4
YES
13
40507
3/8-16
4-1/2
1-1/4
YES
16
40508
3/8-16
5
1-1/4
YES
18
40509
3/8-16
5-1/2
1-1/4
YES
21
40510
3/8-16
6
1-1/4
YES
23
40511
3/8-16
6-1/2
1-1/4
YES
25
40512
3/8-16
7
1-1/4
YES
27
40513
3/8-16
7-1/2
1-1/4
YES
29
40514
3/8-16
8
1-1/4
YES
31
Part No.
Thread A
B
C
Flats
Wt. (lbs/100pcs)
40601
7/16-14
1-1/2
1/2
NO
5
40602
7/16-14
2
3/4
NO
8
40603
7/16-14
2-1/2
1
NO
10
40604
7/16-14
3
1
YES
13
40605
7/16-14
3-1/2
1-1/4
YES
15
40606
7/16-14
4
1-3/8
YES
18
40607
7/16-14
4-1/2
1-3/8
YES
20
40608
7/16-14
5
1-3/8
YES
23
40609
7/16-14
5-1/2
1-3/8
YES
25
40610
7/16-14
6
1-3/8
YES
28
40611
7/16-14
6-1/2
1-3/8
YES
30
40612
7/16-14
7
1-3/8
YES
33
40613
7/16-14
7-1/2
1-3/8
YES
35
40614
7/16-14
8
1-3/8
YES
38
Part No.
Thread A
B
C
Flats
Wt. (lbs/100pcs)
40701
1/2-13
1-1/2
1/2
NO
7
40702
1/2-13
2
3/4
NO
9
40703
1/2-13
2-1/2
1
NO
12
40704
1/2-13
3
1
YES
14
40705
1/2-13
3-1/2
1-1/4
YES
17
40706
1/2-13
4
1-1/2
YES
19
40707
1/2-13
4-1/2
1-1/2
YES
22
40708
1/2-13
5
1-1/2
YES
24
40709
1/2-13
5-1/2
1-1/2
YES
27
40710
1/2-13
6
1-1/2
YES
29
40711
1/2-13
6-1/2
1-1/2
YES
32
40712
1/2-13
7
1-1/2
YES
34
40713
1/2-13
7-1/2
1-1/2
YES
37
40714
1/2-13
8
1-1/2
YES
39
40715
1/2-13
9
1-1/2
YES
44
40716
1/2-13
10
1-1/2
YES
49
40717
1/2-13
12
1-1/2
YES
59
40718
1/2-13
14
1-1/2
YES
69
40719
1/2-13
16
1-1/2
YES
79
Part No.
Thread A
B
C
Flats
Wt. (lbs/100pcs)
40801
5/8-11
1-1/2
1/2
NO
12
40802
5/8-11
2
3/4
NO
16
40803
5/8-11
2-1/2
1
NO
19
40804
5/8-11
3
1
YES
23
40805
5/8-11
3-1/2
1-1/4
YES
27
40806
5/8-11
4
1-1/2
YES
31
40807
5/8-11
4-1/2
1-3/4
YES
34
40808
5/8-11
5
1-3/4
YES
38
40809
5/8-11
5-1/2
1-3/4
YES
42
40810
5/8-11
6
1-3/4
YES
46
40811
5/8-11
6-1/2
1-3/4
YES
49
40812
5/8-11
7
1-3/4
YES
53
40813
5/8-11
7-1/2
1-3/4
YES
57
40814
5/8-11
8
1-3/4
YES
61
40815
5/8-11
9
1-3/4
YES
68
40816
5/8-11
10
1-3/4
YES
76
40817
5/8-11
12
1-3/4
YES
91
40818
5/8-11
14
1-3/4
YES
106
40819
5/8-11
16
1-3/4
YES
121
40820
5/8-11
18
1-3/4
YES
136
40821
5/8-11
20
1-3/4
YES
161
40822
5/8-11
22
1-3/4
YES
176
40823
5/8-11
24
1-3/4
YES
201
Part No.
Thread A
B
C
Flats
Wt. (lbs/100pcs)
40901
3/4-10
3
1
YES
32
40902
3/4-10
3-1/2
1-1/4
YES
38
40903
3/4-10
4
1-1/2
YES
43
40904
3/4-10
4-1/2
1-3/4
YES
49
40905
3/4-10
5
2
YES
54
40906
3/4-10
5-1/2
2
YES
60
40907
3/4-10
6
2
YES
66
40908
3/4-10
6-1/2
2
YES
71
40909
3/4-10
7
2
YES
77
40910
3/4-10
7-1/2
2
YES
83
40911
3/4-10
8
2
YES
88
40912
3/4-10
9
2
YES
99
40913
3/4-10
10
2
YES
111
40914
3/4-10
12
2
YES
133
40915
3/4-10
14
2
YES
156
40916
3/4-10
16
2
YES
178
40917
3/4-10
18
2
YES
201
40918
3/4-10
20
2
YES
223
40919
3/4-10
22
2
YES
246
40920
3/4-10
24
2
YES
268
Part No.
Thread A
B
C
Flats
Wt. (lbs/100pcs)
41001
7/8-9
3
1
YES
43
41002
7/8-9
3-1/2
1-1/4
YES
49
41003
7/8-9
4
1-1/2
YES
56
41004
7/8-9
4-1/2
1-3/4
YES
62
41005
7/8-9
5
2
YES
78
41006
7/8-9
5-1/2
2-1/4
YES
84
41007
7/8-9
6
2-1/4
YES
88
41008
7/8-9
6-1/2
2-1/4
YES
97
41009
7/8-9
7
2-1/4
YES
103
41010
7/8-9
7-1/2
2-1/4
YES
109
41011
7/8-9
8
2-1/4
YES
116
41012
7/8-9
9
2-1/4
YES
128
41013
7/8-9
10
2-1/4
YES
141
41014
7/8-9
12
2-1/4
YES
166
41015
7/8-9
14
2-1/4
YES
191
41016
7/8-9
16
2-1/4
YES
216
41017
7/8-9
18
2-1/4
YES
241
41018
7/8-9
20
2-1/4
YES
266
41019
7/8-9
22
2-1/4
YES
291
41020
7/8-9
24
2-1/4
YES
316
Part No.
Thread A
B
C
Flats
Wt. (lbs/100pcs)
41101
1-8
3
1
YES
58
41102
1-8
3-1/2
1-1/4
YES
67
41103
1-8
4
1-1/2
YES
76
41104
1-8
4-1/2
1-3/4
YES
86
41105
1-8
5
2
YES
95
41106
1-8
5-1/2
2-1/4
YES
104
41107
1-8
6
2-1/2
YES
114
41108
1-8
6-1/2
2-1/2
YES
123
41109
1-8
7
2-1/2
YES
133
41110
1-8
7-1/2
2-1/2
YES
142
41111
1-8
8
2-1/2
YES
151
41112
1-8
9
2-1/2
YES
170
41113
1-8
10
2-1/2
YES
189
41114
1-8
12
2-1/2
YES
226
41115
1-8
14
2-1/2
YES
264
41116
1-8
16
2-1/2
YES
301
41117
1-8
18
2-1/2
YES
339
41118
1-8
20
2-1/2
YES
376
41119
1-8
22
2-1/2
YES
414
41120
1-8
24
2-1/2
YES
451