diff --git a/libtest.png b/libtest.png
index facb98a..e1b2c48 100644
Binary files a/libtest.png and b/libtest.png differ
diff --git a/readme.md b/readme.md
index ab46d94..a28be89 100644
--- a/readme.md
+++ b/readme.md
@@ -2954,6 +2954,7 @@ For an explanation of `screw_polysink()` see <https://hydraraptor.blogspot.com/2
 |   1 | `screw(M4_pan_screw, 30)` |  Screw M4 pan x 30mm |
 |   1 | `screw(M5_cap_screw, 30)` |  Screw M5 cap x 30mm |
 |   1 | `screw(M5_cs_cap_screw, 30)` |  Screw M5 cs cap x 30mm |
+|   1 | `screw(M5_dome_screw, 30)` |  Screw M5 dome x 30mm |
 |   1 | `screw(M5_hex_screw, 30)` |  Screw M5 hex x 30mm |
 |   1 | `screw(M5_pan_screw, 30)` |  Screw M5 pan x 30mm |
 |   1 | `screw(M6_cap_screw, 30)` |  Screw M6 cap x 30mm |
diff --git a/tests/png/screws.png b/tests/png/screws.png
index 87078ad..33428bb 100644
Binary files a/tests/png/screws.png and b/tests/png/screws.png differ
diff --git a/vitamins/screws.scad b/vitamins/screws.scad
index dfe586d..65deb22 100644
--- a/vitamins/screws.scad
+++ b/vitamins/screws.scad
@@ -83,6 +83,7 @@ M5_cs_cap_screw  = ["M5_cs_cap","M5 cs cap",    hs_cs_cap,5,10.0, 0,    3.00,3.0
 M2_dome_screw    = ["M2_dome", "M2 dome",       hs_dome,  2, 3.5, 1.3,  0.6, 1.3, 16,  M2_washer, M2_nut,   M2_tap_radius,    M2_clearance_radius];
 M3_dome_screw    = ["M3_dome", "M3 dome",       hs_dome,  3, 5.7, 1.65, 1.04,2.0, 18,  M3_washer, M3_nut,   M3_tap_radius,    M3_clearance_radius];
 M4_dome_screw    = ["M4_dome", "M4 dome",       hs_dome,  4, 7.6, 2.2,  1.3, 2.5, 20,  M4_washer, M4_nut,   M4_tap_radius,    M4_clearance_radius];
+M5_dome_screw    = ["M5_dome", "M5 dome",       hs_dome,  5, 9.5, 2.75, 1.56,3.0, 22,  M5_washer, M5_nut,   M5_tap_radius,    M5_clearance_radius];
 
 M2p5_pan_screw   = ["M2p5_pan", "M2.5 pan",     hs_pan, 2.5, 4.7, 1.7,    0,   0, 0, M2p5_washer, M2p5_nut, M2p5_tap_radius,  M2p5_clearance_radius];
 M3_pan_screw     = ["M3_pan", "M3 pan",         hs_pan,   3, 5.4, 2.0,    0,   0, 0,   M3_washer, M3_nut,   M3_tap_radius,    M3_clearance_radius];
@@ -111,7 +112,7 @@ screw_lists = [
 [ M2_cap_screw,    M2p5_cap_screw, M3_cap_screw,    M4_cap_screw,    M5_cap_screw, M6_cap_screw, M8_cap_screw],
 [ 0,               0,              M3_low_cap_screw],
 [ M2_cs_cap_screw, 0,              M3_cs_cap_screw, M4_cs_cap_screw, M5_cs_cap_screw],
-[ M2_dome_screw,   0,              M3_dome_screw,   M4_dome_screw],
+[ M2_dome_screw,   0,              M3_dome_screw,   M4_dome_screw,   M5_dome_screw],
 [ 0,               0,              M3_hex_screw,    M4_hex_screw,    M5_hex_screw, M6_hex_screw, M8_hex_screw],
 [ 0,               M2p5_pan_screw, M3_pan_screw,    M4_pan_screw,    M5_pan_screw, M6_pan_screw, No632_pan_screw],
 [ No2_screw,       0,              No4_screw,       No6_screw,       No6_cs_screw],