M19,1/4X1/2X1/4 CARTRIDGEM19,1/4X1/2X1/4 CARTRIDGE 50119 These Cartridge Roll Mandrels are used for abrasive cartridge rolls. They have either 1/8" or 1/4" shank and the pilot hole diameter should match the hole diameter in your cartridge roll. Then the pilot length should be "ONE" size smaller than the cartridge roll length! Thus a 3/4" long roll should use a 1/2" piloted arbor, 1" to use a 3/4", 1-1/2" to use a 1", 2" to use a 1-1/2 and so forth!
100% Satisfaction Guarantee: At Mansion Tools, we want to be sure that the item you choose is the right one for you. Within 30 days of delivery of your order, you may return any merchandise purchased from Mansion Tools in its original condition with your email order confirmation or packing slip. Restocking fees may apply. On items over $275 shipping within the US, we will even arrange free pick up or pay for returns shipping.