These scaled-down screws/bolts will really finish of your model! Screws are made on Brown & Sharpe automatic screw machines from sharp hex 303 stainless steel stock. Parts are inspected with commercial gauges and optical comparator to class 2 specifications. Please note that stainless steel 4-40 hex cap screws are made from 3/16 material.
| Size | Hex Used | Height of Head | Height of Washer land (protects painted surfaces when tightened) |
| 0-80 | 3/32 | 0.040 | 0 |
| 1-72 | 7/64 | 0.055 | 0 |
| 2-56 | 1/8 | 0.064 | 0 |
| 3-48 | 5/32 | 0.075 | 0.003 |
| 4-40 | 11/64 | 0.084 | 0.004 |
| 5-40 | 3/16 | 0.093 | 0.005 |
| 6-32 | 7/32 | 0.104 | 0.006 |
| 8-32 | 1/4 | 0.125 | 0.006 |
| 10-32 | 9/32 | 0.14 | 0.007 |