On 5/17/2017 10:48 AM, wrote:
On Wednesday, 17 May 2017 07:46:15 UTC+1, Graeme wrote:


All 'cross head' screws are either pozi or philips. Most diy size screws are PZ2, except plasterboard screws which are often PH2. The smallest are PZ1. PZ0 & PZ3 aren't often seen on diy size screws.


No, there is also JIS

https://www.pistonheads.com/gassing/topic.asp?t=1484267