Mandrel, Screw Type with 1/4” Shank

Screw type mandrels with 1/4″ shank for mounting accessories with arbor holes. For mounting wheels, stones, felt bobs, small buffs, and other unmounted accessories with arbor holes. overall length. A-M84 – 1/8″ arbor hole – 2-1/8″ overall length – 20,000 RPMs Max SpeedA-M85 – 1/4″ arbor hole – 2-1/8″ overall length – 20,000 RPMs Max SpeedA-M30 – 3/8″ arbor hole – 1-5/8″ overall length – 25,000 RPMs Max Speed *A-M31 – 3/8″ arbor hole – 2″ overall length – 25,000 RPMs Max Speed * * 2″ Velcro Hook Sanding Heads with 3/8″ arbor holes can be mounted onto A-M30 & A-M31 mandrels for use in Foredom Handpieces.   Screw type mandrels come with different shank sizes and arbor hole dimensions. When making your selection, be sure the screw capacity of the mandrel matches the arbor hole of your accessory. Also check to see that the diameter of the mandrel’s shank fits your handpiece collet (or chuck). The right fit will help to insure safety and keep your accessory running true. Maximum and