Internal grooving GC type GC Dimension (mm) Tolerance Carbide No. of edges Applicable Insert Description PVD toolholder CW CDX S D1 RE W1 INSL CW min. CW max. PR1535 PR1725 GC08& 100-005 1 0.05 N N 120-005 1.2 0.05 N N SIGC& 0812-EH 125-005 1 1.25 1.5 3.5 2.7 0.05 3.4 7.7 - 0.025 + 0.025 N N SIGC& 0806-WH 150-010 1.5 0.1 N N 200-010 2 0.1 N N GC10& 100-005 1 0.05 N N 120-005 1.2 0.05 N N 125-005 1.25 0.05 N N SIGC& 1016-EH 145-010 1.45 0.1 N N 1 2.2 4.4 3.5 4.7 9.6 - 0.025 + 0.025 SIGC& 1008-WH-L85 D1 W1 150-010 1.5 0.1 N N SIGCR 1008-WH-L100 200-010 2 0.1 N N G 250-020 300-020 2.5 3 0.2 0.2 N N N N INSL GC12& 100-005 1 0.05 N N 120-005 1.2 0.05 N N S 125-005 1.25 0.05 N N SIGC& 1216-EH 145-010 1.45 0.1 N N Grooving RE RE 1 2.2 5.4 3.5 4.7 11.6 - 0.025 + 0.025 SIGCR 1210-WH-L95 150-010 1.5 0.1 N N SIGC& 1012-WH-L110 200-010 2 0.1 CDX N N CW ±0.025 250-020 2.5 0.2 N N 300-020 3 0.2 N N CDX shows available grooving depth. Right-hand shown SIGC - Excellent Bar with coolant (Internal grooving) LF IN ON LH DM DC 2° WF 5° CDX H Right-hand shown | Right-hand Insert for Right-hand Toolholder, Left-hand Insert for Left-hand Toolholder. Toolholder dimensions Availabi- Spare parts Dimension (mm) lity Clamp screw Wrench (Torx) Coolant hole Description Applicable inserts R L CDX DMIN DCON H LH LF WF SIGC& 0812-EH N N 1.5 8 12 11 18 100 4.1 Yes SB-2270T& FT-7 GC08&100-005~GC08&200-010 SIGC& 1016-EH N N 2.2 10 16 15 21 100 5 Yes SB-3070T& FT-8 GC10&100-005~GC10&300-020 SIGC& 1216-EH N N 2.2 12 16 15 25 110 6 Yes SB-3070T& FT-8 GC12&100-005~GC12&300-020 N : Standard item R : Right hand only L : Left hand only U : Check availability Recommended cutting conditions: G59 G58