GROOVING / CUTTING OFF Seat Size TypeExternalInternalExternalExternal Angle Hand of Holder Seat Size TypeExternalInternalExternalInternalExternalExternal 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 GYHLUS12C00-M25L LGYHLUS16D00-M25LLGYHLUS20D00-M25LLF044 GYHRUS10B00-M20R RInchGYHRUS12C00-M20RRF04600°C3-GYHRDX00-M20RRF192 Inch GYHLUS24E00-M25L LC4-GYHLEX00-M25LL Metric GYHR1616J00-M20R GYHR2020K00-M20R RR F070 00° C5-GYHLEX00-M25L L F190C6-GYHLF00-M25LL 90° Inch GYHLUS12C90-M20RC3-GYHLCX90-M20R LL F056F202 GYHL2020K00-M25L LMetric GYHL2525M00-M25L GYHL3225P00-M25LLLF068GYHL3232P00-M25LLGYM20RA-G12Metric GYHL2020K90-M20R L F080GYDLUS20L90C-M20RLInchGYDLUS20S90C-M20RGYDLUS24M90D-M20RLLF174 GYM25LA-F12 GYHRUS16D90-M25L R F05690°InchC4-GYHRD90-M25LC5-GYHRD90-M25LRRF200C6-GYHRE90-M25LR90°GYDLUS24T90D-M20R LGYDL32L90C-M20RLMetric GYDL32S90C-M20R GYDL40M90D-M20RLLF182 Metric GYHR2525M90-M25L R F080 GYDL40T90D-M20R L GYDRUS24M90D-M25L RFInchGYDRUS24T90D-M25LGYDRUS32P90F-M25LRRF17490°GYDRUS32T90F-M25LRGYDR40M90D-M25LRGYHLUS10B00-M20L LInchGYHLUS12C00-M20LLF04600°C3-GYHLDX00-M20LLF192Metric GYHL1616J00-M20L GYHL2020K00-M20LLLF070 Metric GYDR40T90D-M25L GYDR50P90F-M25L RR F182 90° Inch GYHRUS12C90-M20LC3-GYHRCX90-M20L RR F056F202 GYDR50T90F-M25L RGYHRUS12C00-M25RR GYM20LA-G12 Metric GYHR2020K90-M20L R F080GYDRUS20L90C-M20LR GYHRUS16D00-M25R RGYHRUS20D00-M25RRF044 Inch GYDRUS20S90C-M20LGYDRUS24M90D-M20L RR F174 F Inch GYHRUS24E00-M25R RC4-GYHREX00-M25RR 90° GYDRUS24T90D-M20L RGYDR32L90C-M20LR 00° C5-GYHREX00-M25R R F190C6-GYHRF00-M25RR Metric GYDR32S90C-M20L GYDR40M90D-M20L RR F182 GYM25RA-F20 GYHR2020K00-M25R RMetric GYHR2525M00-M25R GYHR3225P00-M25RRRF068GGYHR3232P00-M25RR GYDR40T90D-M20L RGYHRUS12C00-M25RRGYHRUS16D00-M25RRGYHRUS20D00-M25RRF046 GYHLUS16D90-M25R L F056 Inch GYHRUS24E00-M25R R 90° Inch C4-GYHLD90-M25RC5-GYHLD90-M25R LL F200 C4-GYHREX00-M25R R00°C5-GYHREX00-M25RRF192 C6-GYHLE90-M25R L C6-GYHRF00-M25R R Metric GYHL2525M90-M25R L F080GYHLUS12C00-M25LLGYHLUS16D00-M25LLGYHLUS20D00-M25LLF044GYM25RA-G08GYHR2020K00-M25R RMetric GYHR2525M00-M25R GYHR3225P00-M25RRRF070GYHR3232P00-M25RR Inch GYHLUS24E00-M25L L GYHLUS16D90-M25R L F056 C4-GYHLEX00-M25L L00°C5-GYHLEX00-M25LLF190 90° Inch C4-GYHLD90-M25RC5-GYHLD90-M25R LL F202 C6-GYHLF00-M25L L C6-GYHLE90-M25R L GYM25LA-F20 GYHL2020K00-M25L LMetric GYHL2525M00-M25L GYHL3225P00-M25LLLF068GYHL3232P00-M25LL Metric GYHL2525M90-M25R L F080GYHLUS12C00-M25LLGYHLUS16D00-M25LLGYHLUS20D00-M25LLF046 GYHRUS16D90-M25L R F056 Inch GYHLUS24E00-M25L L 90° Inch C4-GYHRD90-M25LC5-GYHRD90-M25L RR F200 C4-GYHLEX00-M25L L00°C5-GYHLEX00-M25LLF192 C6-GYHRE90-M25L R C6-GYHLF00-M25L L Metric GYHR2525M90-M25L R F080 GYM25LA-G08 GYHL2020K00-M25L LMetric GYHL2525M00-M25L GYHL3225P00-M25LLLF070 GYHL3232P00-M25L L GYHRUS16D90-M25L R F056 90° Inch C4-GYHRD90-M25LC5-GYHRD90-M25L RR F202 C6-GYHRE90-M25L R F020 Metric GYHR2525M90-M25L R F080