14" Overlay Charts
Four Magnification - 360º Radius
| Item Number | 10X | 20X | 50X | 100X |
| 40-373-3 | 0.010" | 0.005" | 0.002" | 0.001" |
| 0.20 mm | 0.10 mm | 0.04 mm | 0.02 mm |
Four Magnification - Radius & Angle (15º, 30º, 45º, 60º & 75º)
| Item Number | 10X | 20X | 50X | 100X |
| 40-369-1 | 0.005" | 0.0025" | 0.001" | 0.0005" |
| 0.20 mm | 0.10 mm | 0.04 mm | 0.02 mm |
10X Thread Form Overlay Chart - 40-371-7
- American National Basic Thread Format
- For checking thread angles, root crest-forms and depth, from 4 to 80 pitch threads
Combination Radius & Grid Charts
- Clear, transparent Mylar charts are photo-etched and dyed
- Width of lines varies between .004" and .006"
| Item Number | Description | Magnification | Increments |
| 40-368-3 | Combo, Radius & Grid | 10x | 0.005" |
| 40-374-1 | Combo, Radius & Grid | 20x | 0.002" |
| 40-370-9 | Standard Grid Chart | 10x | 0.010" |
| 40-375-8 | Standard Grid Chart | 20x | 0.005" |
| 40-372-5 | Combo,Radius & Angle | 10x | 0.010" |
| 40-380-8 | Combo,Radius & Angle | 20x | 0.005" |
