Pay in 4 interest-free payments of $43.00 Learn more
Ships within 48 hours · Estimated delivery Aug 15 - Aug 20
Model WM-5 Shaft Diameter 5/16" Accessory Center Hole Size 1/4" Maximum Accessory Thickness 3/4" Spindle Side Left
This inner shaft is compatible with most Foredom flex shaft machines
more substantial option compared to stamped alternatives
Length 4-1/2" Material Nickel plated steel Tip Style Sharp serrated
The kit ships with five interchangeable tips
Spearhead High Speed Steel Bud Bur Master Kit of 23 Pieces Crucible Model WM-5 Shaft Diameter 5/16"Important Notice: This set will ship incomplete. Due to ongoing supply constraints, Spearhead has been unable to fulfill all sizes in this kit as ordered. Otto Frei will contact you with the exact burs in stock, the sizes unavailable, and an updated reduced kit price at the time of your order. We are not back ordering missing sizes, as restocking timelines are unknown and inventory returns randomly. For reference, as of 7 29 2026, 15 of the 23 sizes
