Here is a sizing chart for bead heads and coneheads in relation to the hook size needed for each. I found it at creeksideangling.com.…

Shop brass cone head beads tube online with fast shipping and fast delivery. Meanwhile, cone tube brass fly tubes, high precision and good for trout.

ICERIO 20PCS UV Brass Cone Head Beads Tube Fly Woolly Bugger Streamers Nymphs Trout Fishing Lure Tying Material

Bead Setup and Bead-to-Hook Sizes - BC Fishing Journal

Tungsten Offset Weedless Ned Rig Jigheads for bass fishing

The Hook to Bead Gap + AMAZING Hook Size/Weight Chart – Salmon Trout Steelheader

Steelhead Bead Hook Sizes w/ Josiah Darr

Bead Setup and Bead-to-Hook Sizes - BC Fishing Journal

Bead Setup and Bead-to-Hook Sizes - BC Fishing Journal

Hook and Bead Size Chart, Fly Tying

Beginner Fly Tying Matching Hook and Bead Size