Chuck Insert - M30 x 3.5RH WD04 These 4 razor sharp blades

These 4 razor sharp blades can be used for

Ready to hone for peak performance

Large Radius: 3/4"

and ready to work

(1) 4" x 12" wide-angle bench tool

Chuck Insert - M30 x 3.5RH WD04 These 4 razor sharp bladesThis threaded Insert converts RIKON's 4 Jaw Chucks that require inserts to fit onto lathes with M30 x 3. 5 RH threaded spindles. The Insert's internal threads are precision machined to M30 x 3. 5 RH specifications for perfect chuck lathe mounting and running true use. Insert's external threads install into the backs of RIKON insert type chuck bodies only. Features: Precision machined to internal thread spec M30 3. 5 RH for exact fit on compatible