Conical Springs and Collars |
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Part Numbers |
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Tap Size |
B (in) |
C (in) |
D (in) |
S (in) |
Extra |
Std. Heavy |
Extra Heavy |
|
#2-#4 |
— |
0.85 |
.56 |
.375 |
.141 |
8020404 |
8020405 |
8020406 |
#5-#6 |
M3 |
0.87 |
.56 |
.375 |
.141 |
8020604 |
8020605 |
8020606 |
#8 |
M4 |
0.87 |
.62 |
.375 |
.168 |
8020704 |
8020705 |
8020706 |
#10 |
M5 |
1.06 |
.62 |
.375 |
.194 |
8020804 |
8020805 |
8020806 |
#12 |
— |
1.06 |
.62 |
.375 |
.22 |
8020904 |
8020905 |
8020906 |
1/4 |
M6 |
1.14 |
.75 |
.5 |
.255 |
8021104 |
8021105 |
8021106 |
5/16 |
M8 |
1.25 |
.85 |
.562 |
.318 |
8021204 |
8021205 |
8021206 |
3/8 |
M10 |
1.37 |
.87 |
.656 |
.381 |
8021304 |
8021305 |
8021306 |
7/16 |
— |
1.75 |
.87 |
.812 |
.323 |
8021404 |
8021405 |
8021406 |
1/2 |
M12 |
1.8 |
1.0 |
.812 |
.367 |
8021504 |
8021505 |
8021506 |
9/16 |
M14 |
1.89 |
1.12 |
1.0 |
.429 |
8021604 |
8021605 |
8021606 |
5/8 |
M16 |
1.89 |
1.12 |
1.0 |
.48 |
8021704 |
8021705 |
8021706 |
11/16 |
— |
1.89 |
1.12 |
1.0 |
.542 |
8021804 |
8021805 |
8021806 |
3/4 |
— |
1.93 |
1.18 |
1.12 |
.59 |
8021904 |
8021905 |
8021906 |
Straight springs and collars with standard ANSI shank diameters. (See Fig. B) |
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Tap Size |
B (in) |
C (in) |
D (in) |
S (in) |
Part Number |
|
#2-#4 |
— |
1.2 |
.8 |
.375 |
.141 |
8020402 |
#5-#6 |
M3 |
1.2 |
.8 |
.375 |
.141 |
8020602 |
#8 |
M4 |
1.2 |
.8 |
.375 |
.168 |
8020702 |
#10 |
M5 |
1.3 |
.83 |
.375 |
.194 |
8020802 |
#12 |
— |
1.3 |
.83 |
.375 |
.22 |
8020902 |
1/4 |
M6 |
1.6 |
1.0 |
.5 |
.255 |
8021102 |
5/16 |
M8 |
1.65 |
1.06 |
.562 |
.318 |
8021202 |
3/8 |
M10 |
1.7 |
1.0 |
.656 |
.381 |
8021302 |
7/16 |
— |
1.9 |
1.14 |
.812 |
.323 |
8021402 |
1/2 |
M12 |
1.9 |
1.14 |
.812 |
.367 |
8021502 |
9/16 |
M14 |
2.0 |
1.26 |
1.0 |
.429 |
8021602 |
5/8 |
M16 |
2.0 |
1.26 |
1.0 |
.48 |
8021702 |
11/16 |
— |
2.0 |
1.26 |
1.0 |
.542 |
8021802 |
— |
M18 |
2.19 |
1.26 |
1.12 |
.542 |
8021802 |
3/4 |
— |
2.19 |
1.26 |
1.12 |
.59 |
8021902 |
— |
M20 |
2.19 |
1.26 |
1.12 |
.652 |
8021902 |
Deep Hole Springs and Collars |
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Tap Size |
B (in) |
C (in) |
E (in) |
S (in) |
Part Number |
|
#2-#4 |
— |
— |
— |
— |
.141 |
— |
#5-#6 |
M3 |
— |
— |
— |
.141 |
— |
#8 |
M4 |
— |
— |
— |
.168 |
— |
#10 |
M5 |
— |
— |
— |
.194 |
— |
#12 |
— |
— |
— |
— |
.22 |
— |
1/4 |
M6 |
1.12 |
.75 |
1.25 |
.255 |
8021103 |
5/16 |
M8 |
1.13 |
.8 |
1.25 |
.318 |
8021203 |
3/8 |
M10 |
1.27 |
.8 |
1.25 |
.381 |
8021303 |
7/16 |
— |
1.25 |
.8 |
1.25 |
.323 |
8021403 |
1/2 |
M12 |
1.25 |
.8 |
1.25 |
.367 |
8021503 |
9/16 |
M14 |
1.75 |
1.0 |
1.5 |
.429 |
8021603 |
5/8 |
M16 |
1.75 |
1.0 |
1.5 |
.48 |
8021703 |
11/16 |
— |
1.75 |
1.0 |
1.5 |
.542 |
8021803 |
— |
M18 |
1.75 |
1.0 |
1.5 |
.542 |
8021803 |
3/4 |
— |
1.75 |
1.0 |
1.5 |
.59 |
8021903 |
— |
M20 |
1.75 |
1.0 |
1.5 |
.652 |
8021903 |