SHARS CNC Precision Ground Collets ER-40 1/8-1 12 Pcs Set. Only SHARS ER Collets come with precision ground surface, degree of finish Ra 0.4 , which twice much better than other brands, and more durable. Hole Diameter: 1/8-1" 1/8, 1/4(2), 13/32, 7/16, 1/2(2), 9/16, 3/4(2), 7/8, 1".
Made from alloy spring steel and hardened to HRC 44-48. All collets are checked its runout individually on 4 contact points by a high tolerance bench marked testing rod. On size 1/8 and larger the. Under size 1/8 the runout is. Each size of ER32 collet has collapsing range of.039 (1 mm); the size of the collet is the largest size it can hold and able to hold anything smaller within the collapsing range. Running True at High Speed turning. Fit all R8, morse tapper, CAT BT CNC ER40 chuck or holder. This collet size is true fractional size, not a metric converting size and the surface on this collet has been specially treated to increase its tool life.
The item "SHARS CNC Precision Ground Collets ER-40 1/8-1 12 Pcs Set DIN6499/B ER40 NEW" is in sale since Tuesday, January 28, 2014. This item is in the category "Business & Industrial\Manufacturing & Metalworking\Metalworking Tooling\Workholding\Collets". The seller is "discount_machine" and is located in Saint Charles, Illinois. This item can be shipped worldwide.