Purchase a bead reamer at , a tool used to enlarge, de-burr and round out bead holes. It comes with three different tips for bead holes up to 5mm.
Diamond Tip Bead Reamer Set with Handheld Pin Vice by Beadsmith Basic – Beads and Babble
Beadsmith Diamond Coated Bead Reamer Set Or 3 Replacement Tips BR500 B – Rocky Mountain Glass Crafts
4-Piece Bead Reamer Set - Butterfly Beads and Jewllery
Designer Bead Reamer
Deluxe 3 Piece Diamond Bead Reamer Tip Set is ideal for enlarging and reaming bead holes. Includes 3 diamond tips that can easily be stored in the handle of DIB-275.00. The 3 tips are: large and small diamond reamer and 45 degree diamond edging point.
Deluxe 3 Piece Diamond Bead Reamer Tip Set
Bead Reamer 45 Degree Point, Beading Supplies and Tools
This Bead Reamer is a fantastic tool to have when jewelry making. Great for smoothing out rough edges around all types of bead holes.
1pc Bead Reamer
Black File Rasp Handle Jewelers Bead Reamer Tool 5
10pc Diamond Bead Reamer Set Tapered Tip Hobby Craft Lapidary Jewelry
How To Use A Bead Reamer
Motorized Bead Reamer (Electric)