Vintage Brookstone Screw Chek’r SAE Tap Drill Gauge Chart USA Pat 2728145
USD 20.00 USD
Specifications
| Brand | Brookstone |
| Country Of Origin | United States |
Covers sizes from tiny #2 screws all the way up to 5/16″ and includes fractional sizes (1/4″, 9/32″, 5/16″, etc.). Still 100% functional and very legible. Once you know the size, the chart gives you the correct tap-drill sizes for.