Arbor Chucks | McMasterCarr
Carbide. Rubber. Stainless Steel. Steel. Body Material. Aluminum. Plastic. Stainless Steel. Steel. Material. 416 Stainless Steel. Aluminum. ... Use with R8 taper spindles which are most often found on manual milling machines. ... With a round face and adjustable body, they compress to grip roundshank drill bits, end mills, reamers, and taps.