Er11a Vs Er11

Collet chuck size we often get asked to spec out tooling packages for new cnc mills and one of the questions we encounter most or should is how do you select the right toolholder collet size for.

Er11a vs er11. 1mm to 7mm 1mm2mm3mm4mm5mm6mm7mm. 2 er11a type nut is 6 ribs b type is 2 ribs 3 a nut has a clip inside it is just stuck in the groove of the chuck but the nut thread is the same. Maritool has one of the most comprehensive er collet selections available in the industry including er collets in 64th sizes and oversize collets such as er16 in 716 er20 in 916 and er32 in 78. So i bought a bunch of super cheap er11 collets from china.

A type vs b type if this is your first visit be sure to check out the faq by clicking the link above. At under a euro a collet delivered i had a hunch theyd be bad. Click the register link above to proceed. How bad were they.

The er11a type collet and the b type collet are not universal. Er11 1 7mm collet chuck material. High grade 45 carbon steel color. Er11a 5mm extension rod holder motor shaft collet chuck tool holder.

I want to get a little set to complement my er40s but that has to wait. Those with mini mills would lose clearance in the z using er chucks vs collets that fit inside the spindle. The size indicated on the collet is the largest size it can hold and can be collapsed smaller within its collapse range of 020 inches05mm. Each er11 collet has a range of 020 inches05mm.

Edit i forgot i have no lack of vertical room on my bridgeport to fight and my chuck is scarcely bigger than my spindle so no clearance issues for me. For example er11 3mm can grab a round shank from 3mm diameter to 25mm diameter. 7pcs er11 1 7mm spring collets with er11a 5mm motor shaft holder extension rod specification. You may have to register before you can post.

Filmed in super wobbly o vision. The difference between er11 er11a er11m is in the collet nut ie diameterthreadetc not the collet itself.