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�������˴�ֱ���, �ڲ���ʵ����, �������ƫ�봹ֱ����30��ʱͨ�����õ�����ֱʱ��60%�ĺ���, 45��ʱ��������33%����, ��90��ʱ, ����ֻ������20%.
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a
b
c �����
d
f
g
���� ������
�غ� (��)
18501
1/4-20
1
11/16
3/4
1 3/16
3/16
1/2
.05
500
18502
5/16-18
11/8
7/8
1 7/16
5/8
.10
900
18503
3/8-16
1 1/4
1 1/16
1 21/32
.16
1300
18504
1/2-13
1 1/2
1 5/16
2 1/16
1/4
.36
2400
18505
5/8-11
1 3/4
1 19/32
1 3/8
2 1/2
1 1/8
.65
4000
18506
3/4-10
2
1 23/32
2 13/16
5/16
1.00
5000
18507
7/8-9
2 1/4
2 3/16
1 11/16
3 1/4
3/8
1.70
7000
18508
1-8
2 13/32
1 13/16
3 9/16
13/32
1 9/16
2.36
9000
18509
1 1/8-7
2 3/4
2 23/32
4
15/32
3.41
12000
18510
1 1/4-7
3
2 15/16
4 7/16
1 7/8
4.68
15000
18511
1 1/2-6
3 1/2
3 7/16
5 3/16
9/16
7.77
21000
18512
1 3/4-5
3 3/4
3 31/32
2 7/8
6 1/16
11.35
28000
18513
2-4 1/2
4 1/2
6 7/8
16.70
38000
e
������ǧ�ˣ�
18551
m 6x1
13.0
17.5
19.1
36.5
20.0
.023
150
100
18554
m12x1.75
20.5
33.3
30.2
52.4
30.0
.163
700
18552
m 8x1.25
22.2
.045
300
200
18555
m16x2
27.0
40.5
34.9
63.5
35.0
.295
1500
1100
c (�ο�)
f (�ο�)
�غ� ��ǧ�ˣ�
�غ� ������
18561
m6x1.0
25.4
20.6
19
3.9
13.5
.06
210
462
18562
m8x1.25
31.7
29.4
25
43.0
4.8
.17
1110
18563
m10x1.5
27
46.0
5.2
19.8
.24
740
1628
18564
38.0
30
54.0
5.6
1030
2266
18565
m16x2.0
44.5
43.6
35
65.0
6.3
.69
1600
3520
18566
m20x2.5
57.0
55.6
41
81.0
9.5
1.51
2860
6292
18567
m24x3.0
61.1
44
90.4
10.3
39.7
3850
8470
18568
m30x3.5
76.0
74.6
55
112.7
12.7
47.6
6400
14080
18569
m36x4.0
89.0
87.3
63
131.8
14.3
8970
19734
18570
m42x4.5
95.0
93.6
73
152.4
15.1
60.3
11.10
11960
26312
18571
m48x5.0
101.6
107.9
82
174.6
69.8
15.90
16400
36080
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