Indexable Drilling SPMG Inserts SPMG 刀片 P Steel ◎ ◎ ◎ ○ ○ M Stainless steel ○ ○ ○ ◎ ◎ 1st choice 2st choice K Cast iron ◎ ○ ○ ○ ○ Grade Dimensions (mm) CX21NS CX31NA CX31NS CX41NS CX41NA Inserts Designation Drawing A B S r d1 t1 SPMG 050204-MG ✓ ✓ 5.00 - 2.38 0.4 2.30 - SPMG 060204-MG ✓ ✓ 6.00 - 2.38 0.4 2.65 - SPMG 07T308-MG ✓ ✓ 7.94 - 3.97 0.8 2.85 - 11° Drilling SPMG 090408-MG ✓ ✓ 9.80 - 4.3 0.8 4.05 - SPMG 110408-MG ✓ ✓ 11.50 - 4.8 0.8 4.45 - Holder Page : C070~C076 C067