623 - countersunk/raised head self tap screw

Stainless steel, pointed, self tap screw, slot head. stocked in the following sizes. price per packet of 50 pieces.
13mm x 4g
13mm x 6g
16mm x 4g
16mm x 6g
16mm x 8g
19mm x 4g
19mm x 6g
19mm x 8g
25mm x 4g
25mm x 6g
25mm x 8g
32mm x 6g
32mm x 8g
38mm x 8g

Measure screw size (SWG) by the diameter of the stem under the head - 4g = 2.9mm , 6g = 3.5mm , 8g = 4.2mm