GROOVING / CUTTING OFF Seat Size TypeExternalInternalExternalInternalExternalExternal Angle Hand of Holder Seat Size TypeExternalInternalExternalInternal Angle Hand of Holder GROOVING / CUTTING OFF QUICK INDEX Modular Blades Selection Chart (For External and Internal Grooving) Inch Inch Modular Blade or Holder Page Modular Blade or Holder Page Metric Metric GYHRUS10B00-M20R RInchGYHRUS12C00-M20RRF04800°C3-GYHRDX00-M20RRF194 GYHRUS12C00-M25R RGYHRUS16D00-M25RRGYHRUS20D00-M25RRF048 Metric GYHR1616J00-M20R GYHR2020K00-M20R RR F072 Inch GYHRUS24E00-M25R RC4-GYHREX00-M25RR 90° Inch GYHLUS12C90-M20RC3-GYHLCX90-M20R LL F058F204 00° C5-GYHREX00-M25R R F194C6-GYHRF00-M25RR GYM20RA-H12 Metric GYHL2020K90-M20R L F082GYDLUS20L90C-M20RLInchGYDLUS20S90C-M20RGYDLUS24M90D-M20RLLF176GYHR2020K00-M25R RMetric GYHR2525M00-M25R GYHR3225P00-M25RRRF072GYHR3232P00-M25RR 90° GYDLUS24T90D-M20R LGYDL32L90C-M20RLMetric GYDL32S90C-M20R GYDL40M90D-M20RLLF184GYM25RA-H14 GYHLUS16D90-M25R L90°InchC4-GYHLD90-M25RC5-GYHLD90-M25RLLF058F204C6-GYHLE90-M25RL GYDL40T90D-M20R L Metric GYHL2525M90-M25R L F082 GYHLUS10B00-M20L LInchGYHLUS12C00-M20LLF048F00°C3-GYHLDX00-M20LLF194Metric GYHL1616J00-M20L GYHL2020K00-M20LLLF072GYDLUS24M90D-M25RLInchGYDLUS24T90D-M25RGYDLUS32P90F-M25RLLF17690°GYDLUS32T90F-M25RLGYDL40M90D-M25RL 90° Inch GYHRUS12C90-M20LC3-GYHRCX90-M20L RR F058F204 Metric GYDL40T90D-M25R GYDL50P90F-M25R LL F184 GYM20LA-H12 Metric GYHR2020K90-M20L R F082GYDRUS20L90C-M20LRH GYDL50T90F-M25R LGYHLUS12C00-M25LL Inch GYDRUS20S90C-M20LGYDRUS24M90D-M20L RR F176 GYHLUS16D00-M25L LGYHLUS20D00-M25LLF048 90° GYDRUS24T90D-M20L RGYDR32L90C-M20LR Inch GYHLUS24E00-M25L LC4-GYHLEX00-M25LL Metric GYDR32S90C-M20L GYDR40M90D-M20L RR F184 00° C5-GYHLEX00-M25L L F194C6-GYHLF00-M25LL H GYDR40T90D-M20L RGYHRUS12C00-M25RRGYHRUS16D00-M25RRGYHRUS20D00-M25RRF048 GYHL2020K00-M25L LMetric GYHL2525M00-M25L GYHL3225P00-M25LLLF072GYHL3232P00-M25LL Inch GYHRUS24E00-M25R RC4-GYHREX00-M25RR00°C5-GYHREX00-M25RRF194GYM25LA-H14 GYHRUS16D90-M25L R F05890°InchC4-GYHRD90-M25LC5-GYHRD90-M25LRRF204 C6-GYHRF00-M25R R C6-GYHRE90-M25L R GYM25RA-H08 GYHR2020K00-M25R RMetric GYHR2525M00-M25R GYHR3225P00-M25RRRF072GYHR3232P00-M25RR Metric GYHR2525M90-M25L R F082GYDRUS24M90D-M25LRInchGYDRUS24T90D-M25LGYDRUS32P90F-M25LRRF176 GYHLUS16D90-M25R L F05890°InchC4-GYHLD90-M25RC5-GYHLD90-M25RLLF204C6-GYHLE90-M25RL90°GYDRUS32T90F-M25L RGYDR40M90D-M25LRMetric GYDR40T90D-M25L GYDR50P90F-M25LRRF184 Metric GYHL2525M90-M25R L F082 GYDR50T90F-M25L R GYHLUS12C00-M25L L GYHLUS16D00-M25L LGYHLUS20D00-M25LLF048 Inch GYHLUS24E00-M25L L C4-GYHLEX00-M25L L 00° C5-GYHLEX00-M25L L F194 C6-GYHLF00-M25L L GYM25LA-H08 GYHL2020K00-M25L LMetric GYHL2525M00-M25L GYHL3225P00-M25LLLF072 GYHL3232P00-M25L L GYHRUS16D90-M25L R F058 90° Inch C4-GYHRD90-M25LC5-GYHRD90-M25L RR F204 C6-GYHRE90-M25L R F022 Metric GYHR2525M90-M25L R F082