Nominal Size or Basic Major
Diameter of Threads |
F |
G |
H |
T |
S |
R |
W |
Runout of Bearing Surface FIR |
|||||||||
Width Across Flats |
Width Across corners |
Thickness |
Unslotted Thickness and height of Flat |
Width of Slot |
Radius of Filet |
Dia. of Cylind rical |
|||||||||||
Basic |
Max |
Min |
Max |
Min |
Basic |
Max |
Min |
Nom |
Max |
Min |
Max |
Min |
+ or - .010 |
Min |
Max |
||
5/8 |
0.625 |
15/16 |
0.938 |
0.922 |
1.083 |
1.051 |
23/32 |
0.731 |
0.706 |
1/2 |
0.51 |
0.49 |
0.24 |
0.18 |
0.156 |
0.797 |
0.021 |
3/4 |
0.75 |
1-1/8 |
1.125 |
1.088 |
1.299 |
1.24 |
13/16 |
0.827 |
0.798 |
9/16 |
0.57 |
0.55 |
0.24 |
0.18 |
0.188 |
0.941 |
0.023 |
7/8 |
0.875 |
1-5/16 |
1.312 |
1.269 |
1.516 |
1.447 |
29/32 |
0.922 |
0.89 |
1/32 |
0.67 |
0.64 |
0.24 |
0.18 |
0.188 |
1.097 |
0.025 |
1 |
1 |
1-1/2 |
1.5 |
1.45 |
1.732 |
1.653 |
1 |
1.018 |
0.982 |
23/32 |
0.73 |
0.7 |
0.3 |
0.24 |
1.88 |
1.254 |
0.027 |
Castle Nuts
The cylindrical tops of these nuts feature six milled slots for use with cotter pins, to securely hold nuts and keep them from turning. Available in plain steel and stainless steel in fine thread Stocked in tap sizes from 1/4-28 to 21/2-12.
Group codes represented: CTN
Part# examples: 100UCTN, 87SCTN