Type U Hammer Drive Screws are available in electro brass, stainless steel, nickel plate and zinc plate
| Gauge | A | H | D1 Max | D1 Min | D2 Max | D2 Min |
| 00 | 2.51mm | 0.86mm | 1.52mm | 1.45mm | 1.24mm | 1.17mm |
| 0 | 3.22mm | 1.24mm | 1.90mm | 1.83mm | 1.60mm | 1.52mm |
| 2 | 4.11mm | 1.75mm | 2.54mm | 2.46mm | 2.11mm | 2.03mm |
| 4 | 5.36mm | 2.18mm | 2.95mm | 2.84mm | 2.44mm | 2.34mm |
| 6 | 6.60mm | 2.62mm | 3.56mm | 3.45mm | 2.95mm | 2.84mm |
| 8 | 7.85mm | 3.05mm | 4.24mm | 4.11mm | 3.45mm | 3.35mm |
| 10 | 9.12mm | 3.48mm | 4.62mm | 4.50mm | 3.81mm | 3.71mm |
