Home / Milling / Mill Tooling / Rack for R-8 Collets View cart “Boring Head, R-8, Diameter 4″, 1″ Boring Bars, Critereion L624R8” has been added to your cart. Rack for R-8 Collets$19.95 1 in stock Add to cart Category: Mill Tooling Description Description Plastic Collet Rack, R-8 Collets Related products Boring Head, Straight Shank, 2-1/4″ Diameter, Lincoln Machine Specialty $49.00 Add to cart Boring Head, Straight Shank 3/4″, Diameter 3″ $29.00 Add to cart Arbor, Boring Head, 30 NMTB 1-1/2″ 18TPI (A) $25.00 Add to cart Boring Head, Straight Shank 1-1/2″, Diameter 2″, Criterion L62215S $149.00 Add to cart