ASME B18.8.7M Clevis Pins

ASME B18.8.7M Clevis Pins

ASME B18.8.7M Dimensions of Headless Clevis Pins

Type A and B Type B Only
D Dp D1
Pin Diameter Point Diameter Hole Diameter
Nominal Max Min Max Min Nominal Max Min
3 3.00 2.94 2.2 1.8 0.8 0.94 0.80
4 4.000 3.925 3.2 2.8 1 1.14 1.00
5 5.000 4.925 3.3 2.7 1.2 1.34 1.20
6 6.000 5.925 4.3 3.7 1.6 1.74 1.60
8 8.00 7.91 6.3 5.7 2 2.14 2.00
10 10.00 9.91 8.3 7.7 3 3.38 3.20
12 12.00 11.90 9.5 8.5 3 3.38 3.20
14 14.00 13.90 11.5 10.5 4 4.18 4.00
16 16.00 15.90 13.5 12.5 4 4.18 4.00
18 18.00 17.90 15.5 14.5 5 5.18 5.00
20 20.00 19.87 16.6 15.4 5 5.18 5.00
22 22.00 21.87 18.6 17.4 5 5.18 5.00
24 24.00 23.87 20.6 19.4 6.3 6.52 6.30
27 24.50 26.87 23.6 22.4 6.3 6.52 6.30
30 30.00 29.87 26.6 25.4 8 8.22 8.00
33 33.00 32.84 29.6 28.4 8 8.22 8.00
36 36.00 35.84 32.6 31.4 8 8.22 8.00
40 40.00 39.84 36.6 35.4 8 8.22 8.00
45 45.00 44.84 41.6 40.4 10 10.22 10.00
50 50.00 49.84 46.6 45.4 10 10.22 10.00
55 55.00 54.81 50.0 48.0 10 10.22 10.00
60 60.00 59.81 55.0 53.0 10 13.27 10.00
70 70.00 69.31 65.0 63.0 13 13.27 13.00
80 80.00 79.81 75.0 73.0 13 13.27 13.00
90 90.00 89.78 85.0 83.0 13 13.27 13.00
100 100.00 99.78 95.0 93.0 13 13.27 13.00
See para. 2.1 2.3 2.4

Length Between Hole Centers

d
Nom
Dia.		 3 4 5 6 8 10 12 14 16 18 20 22 24 27 30 33 36 40 45 50 55 60 70 80 90 100
L
Nom
Length		 Lh
Nominal Length Between Hole Centers (See Para. 2.5.1)
8
10
12
14
16
18
20		 3.0
4.9
6.5
8.5
10.5
12.5
14.5		 2.8
4.8
6.4
8.4
10.5
12.5
14.5
2.3
4.2
6.2
8.2
10.0
12.0

3.8
5.8
7.7
9.7
11.5



6.4
8.4
10.5





8.9
22
24
26
28
30
32		 16.5
18.5
20.5
22.5
24.5

 16.5
18.5
20.0
22.0
24.0
26.0		 14.0
16.0
18.0
20.0
22.0
24.0		 13.5
15.5
17.5
19.5
21.5
23.5		 12.5
14.5
16.5
18.5
20.5
22.5		 11.0
13.0
15.0
17.0
18.0
20.0
10.0
12.5
14.5
16.5
18.5


13.5
15.5
17.5




17.5
35
40
45
50
55
60		 29.0
34.0




 27.0
32.0
37.0
42.0


 26.5
31.5
36.5
41.5
46.5
51.5		 25.5
30.5
35.5
40.5
45.5
50.5		 23.5
28.5
33.5
38.5
43.0
48.0		 21.5
26.5
31.5
36.5
41.0
46.0		 20.5
25.5
30.5
35.5
40.0
45.0		 20.5
25.5
30.5
35.5
40.5
45.5		 19.5
24.5
29.5
34.0
39.0
44.0
22.5
27.5
32.5
37.0
42.0


31.0
35.5
40.5



35.5
40.5




38.5
65
70
75
80
85
90		 54.5
59.5
64.5
69.5


 53.0
58.0
63.0
68.0
73.0
78.0		 50.5
55.5
60.5
65.5
70.5
75.5		 50.0
55.0
60.0
65.0
70.0
75.0		 50.0
55.0
60.0
65.0
70.0
75.0		 49.0
53.5
58.5
63.5
68.5
73.5		 47.0
52.0
57.0
62.0
67.0
72.0		 47.0
52.0
57.0
62.0
67.0
72.0		 45.5
50.5
55.5
60.5
65.5
70.0		 45.5
50.5
55.5
60.5
65.5
70.0		 43.5
48.5
53.5
58.5
63.5
68.5		 43.5
48.5
53.5
58.5
63.5
68.5
49.0
53.5
58.5
63.5
68.5


59.0
63.5
68.5




66.5
95
100
120
140
160
180		 83.0
88.0




 80.5
85.5
106.0



 80.0
84.0
105.0
125.0


 80.0
85.0
105.0
125.0
145.0

 78.5
83.5
104.0
123.0
143.0
163.0		 77.0
81.5
102.0
122.0
142.0
162.0		 77.0
81.5
102.0
122.0
142.0
162.0		 75.5
80.5
100.0
120.0
140.0
160.0		 75.5
80.5
100.0
120.0
140.0
160.0		 73.5
78.5
98.5
118.0
138.0
158.0		 73.5
78.5
98.5
118.0
138.0
158.0		 73.5
78.5
98.5
118.0
138.0
158.0		 73.5
79.0
98.5
119.0
139.0
159.0		 71.5
76.5
96.5
116.0
136.0
156.0
75.5
95.5
115.0
135.0
155.0

91.5
111.0
131.0
151.0

91.5
111.0
131.0
151.0


108.5
128.0
148.0



128.0
148.0




148.0
200
220
240
260
280
300		 181.0





 182.0
202.0




 180.0
200.0
220.0



 180.0
200.0
220.0
240.0


 178.0
198.0
218.0
238.0
258.0
278.0		 178.0
198.0
218.0
238.0
258.0
278.0		 178.0
198.0
218.0
238.0
258.0
278.0		 178.0
198.0
218.0
238.0
258.0
278.0		 176.0
196.0
216.0
236.0
256.0
276.0		 175.0
195.0
215.5
235.0
255.0
275.0		 171.0
191.0
211.5
231.0
251.0
271.0		 171.0
191.0
211.5
231.0
251.0
271.0		 168.0
188.0
208.0
228.0
248.0
268.0		 168.0
188.0
208.0
228.0
248.0
268.0		 168.0
188.0
208.0
228.0
248.0
268.0		 168.0
188.0
208.0
228.0
248.0
268.0

Length Tolerance

L
Nominal Length		 Length Tolerance
Over thru
-- 10 ±0.25
10 50 ±0.50
50 -- ±0.75

Length From Head to Hole Center

Lh
Nominal Length From Head to Hole Center		 Head to Hole Center
Tolerance Plus
(Nothing Minius)
Over thru
-- 3 ±0.25
3 6 ±0.3
6 10 ±0.36
10 18 ±0.43
18 30 ±0.52
32 50 ±0.62
50 80 ±0.74
80 120 ±0.87
120 180 ±1
180 250 ±1.15
250 315 ±1.3
315 400 ±1.4
400 500 ±1.55

Hole To Shank Position Tolerance

D
Nominal Shank Diameter		 Hole to Shank Position Tolerance at MMC (Max Width)
over thru
-- 3 0.28
3 6 0.36
6 10 0.44
10 18 0.54
18 30 0.66
30 50 0.78
50 80 0.92
80 100 1.08