Machinery's Handbook, 31st Edition
1894
Pins and Studs Table 8. American National Standard Grooved T-Head Cotter Pins ANSI/ASME B18.8.2-2000 (R2010)
P
L
L
Q
N
O
A
B
Shank Diameter, A
Head Dia., O
Head Height, P
Head Width, Q
Recommended Hole Size
Length, N
Nominal Size a or Basic Shank Dia.
Range of Standard Lengths, b L
Max.
Min.
Max.
Max.
Min.
Max.
Min.
Max.
Min.
Max.
Min.
5 ∕ 32 0.156 0.154 0.150 0.08 0.26 0.24 0.11 0.09 0.18 0.15 3 ∕ 16 0.187 0.186 0.182 0.09 0.30 0.28 0.13 0.11 0.22 0.18
0.161 0.156 0.193 0.187
3 ∕ 4 -1 1 ∕ 8 3 ∕ 4 -1 1 ∕ 4
1 ∕ 4 0.250 0.248 0.244 0.12 0.40 0.38 0.17 0.15 0.28 0.24 1-1 1 ∕ 2 0.257 0.250 5 ∕ 16 0.312 0.310 0.305 0.16 0.51 0.48 0.21 0.19 0.34 0.30 1 1 ∕ 8 -2 0.319 0.312 23 ∕ 64 0.359 0.358 0.353 0.18 0.57 0.54 0.24 0.22 0.38 0.35 1 1 ∕ 4 -2 0.366 0.359 1 ∕ 2 0.500 0.498 0.493 0.25 0.79 0.76 0.32 0.30 0.54 0.49 2-3 0.508 0.500 a When specifying nominal size in decimals, zeros preceding decimal point and in the fourth decimal place are omitted. b Lengths increase in 1 ⁄ 8 -inch steps from 3 ⁄ 4 to 1 1 ⁄ 4 inch and in 1 ⁄ 4 -inch steps above 1 1 ⁄ 4 inches. For groove length, M , dimensions see ANSI/ASME B18.8.2-2000 (R2010). All dimensions are in inches. For expanded diameter, B , dimensions, see ANSI/ASME B18.8.2-2000 (R2010). Table 9. American National Standard Round Head Grooved Drive Studs ANSI/ASME B18.8.2-2000 (R2010)
P L
B O
N
A
K 25° Chamfer
Head Height, P
Recommended Hole Size
Stud Size Number and Basic Shank Diameter a 0 0.067 2 0.086 4 0.104 6 0.120 7 0.136 8 0.144 10 0.161 12 0.196 14 0.221 16 0.250
Range of Standard Lengths, b L
Shank Diameter, A Head Diameter, O
Drill Size
Max.
Min.
Max.
Min.
Max.
Min.
Max.
Min.
0.0686 0.0670 0.0877 0.0860 0.1059 0.1040 0.1220 0.1200 0.1382 0.1360 0.1463 0.1440 0.1636 0.1610
51 44 37 31 29 27 20
0.067 0.065 0.130 0.120 0.050 0.040 0.086 0.084 0.162 0.146 0.070 0.059 0.104 0.102 0.211 0.193 0.086 0.075 0.120 0.118 0.260 0.240 0.103 0.091 0.136 0.134 0.309 0.287 0.119 0.107 0.144 0.142 0.309 0.287 0.119 0.107 0.161 0.159 0.359 0.334 0.136 0.124 0.196 0.194 0.408 0.382 0.152 0.140 0.221 0.219 0.457 0.429 0.169 0.156 0.250 0.248 0.472 0.443 0.174 0.161
1 ∕ 8 - 1 ∕ 4 1 ∕ 8 - 1 ∕ 4 3 ∕ 16 - 5 ∕ 16 1 ∕ 4 - 3 ∕ 8 5 ∕ 16 - 1 ∕ 2 3 ∕ 8 - 5 ∕ 8 3 ∕ 8 - 5 ∕ 8
0.19900.1960 9 0.22400.2210 2
1 ∕ 2 3 ∕ 4 1 ∕ 2 - 3 ∕ 4
0.2534 0.2500
1 ∕ 2 1 ∕ 4 a Where specifying nominal size in decimals, zeros preceding decimal point and in the fourth decimal place are omitted. b Lengths increase in 1 ⁄ 16 -inch steps from 1 ⁄ 8 to 3 ⁄ 8 inch and in 1 ⁄ 8 -inch steps above 3 ⁄ 8 inch. All dimensions are in inches. For pilot length, M , and expanded diameter, B , dimensions see ANSI/ASME B18.8.2-2000 (R2010).
Copyright 2020, Industrial Press, Inc.
ebooks.industrialpress.com
Made with FlippingBook - Share PDF online