R8 7/16-20 R8-F1 (1-1/2-18 Thread) R8 Arbor End Mill Holder for Boring Head
$28.90
Description
Model: R8-ER32 Inch: 7/16.Material: high quality 40CR high carbon steel.Product features: 90% taper contact surface.Use machine tools: vertical drilling, drill bit blessing.Clamping method: nut rotation by concentric taper surface extrusion head fastening
