Standard UNI 7346
This norm has been cancelled
Hammer drive screws with round head
| Dimensions in mm - source UNI 7346 - WITHDRAWN | ||||||
| Publication date: 11/1974 | ||||||
| d nominal thread size | D min/max | h min/max | d1 min/max | s | hole Ø hard materials | hole Ø soft materials |
| 1.5 | 2.28÷2.5 | 0.66÷0.87 | 1.18÷1.24 | 1.19 | 1.32 | 1.31 |
| 1.9 | ||||||
| 2.5 | ||||||
| 2.9 | ||||||
| 3.5 | ||||||
| 4.2 | ||||||
| 4.5 | ||||||
| 5.3 | ||||||
| 6.1 | ||||||
| Dimensions in Inches - source BS 4174 type U | ||||||||
| Publication date: 1972 | ||||||||
| d nominal thread size | Nr. of thread | d min/max | D min/max | h min/max | d1 min/max | s nom | drill Ø | hole Ø |
| No.00 | 6 | 0.057÷0.06 | 0.09÷0.099 | 0.026÷0.034 | 0.046÷0.049 | 0.02 | 55 | 0.052 |
| No.0 | ||||||||
| No.2 | ||||||||
| No.4 | ||||||||
| No.6 | ||||||||
| No.7 | ||||||||
| No.8 | ||||||||
| No.10 | ||||||||
| No.12 | ||||||||
| UNI 7346 - Approx. weights, in kg x1000 pcs, (ρ=7,85 kg/dm3) - commercial lengths | ||||||||||||||
| d thread size | 1.5 | 1.9 | 2.5 | 2.9 | 3.5 | 4.2 | 4.5 | 5.3 | 6.1 | |||||
| nominal length l | ||||||||||||||
| 3.5 | 0.03 | 0.1 | 0.18 | |||||||||||
| 5 | ||||||||||||||
| 6.5 | ||||||||||||||
| 8 | ||||||||||||||
| 9.5 | ||||||||||||||
| 13 | ||||||||||||||
| 16 | ||||||||||||||
| 19 | ||||||||||||||