
l SPKN ED.. Flat Rake Milling Inserts for General Use ap F S Recommended Dimensions Tough 1 Hard Machining Data a p f z Designation l S F a p IC328 IC50M IC250 IC950 IC910 IC520M IC20 (mm) (mm/t) SPKN 1203EDFR 12.70 3.18 1.40 9.50 • 3.00-8.00 0.08-0.15 SPKN 1504EDTR 15.88 4.76 1.40 11.50 • • 3.00-8.00 0.08-0.15 SPKN 1203EDTR/L 12.70 3.18 1.70 9.50 • • • 3.00-8.00 0.08-0.15 MILLING INSERTS SPKN 1203EDR-42 12.70 3.18 1.40 9.50 • 3.00-8.00 0.08-0.15 SPKN 1203EDTR-42 12.70 3.18 1.40 9.50 • • • • 3.00-8.00 0.08-0.15 SPKN 1504EDTR-42 15.88 4.76 1.40 11.50 • • 3.00-8.00 0.08-0.15 • For cutting speed recommendations, see pages 462-498 l SPKR EDTR-HS Square Positive Inserts with Chip Splitting Serrated Cutting Edges ap 0.5 S F Recommended Dimensions Tough 1 Hard Machining Data a p f z Designation l S F a p IC328 IC928 IC520M (mm) (mm/t) SPKR 1203EDTR-HS 12.70 3.18 1.60 9.50 • • • 3.00-9.00 0.10-0.20 SPKR 1504EDTR-HS 15.82 4.80 2.00 12.24 • • 3.00-9.00 0.10-0.20 • For cutting speed recommendations, see pages 462-498 l SPKR ED..-76 Square Milling Inserts with Ribs Along Edges for 45° Roughing ap F SPKR-76 S Recommended Dimensions Tough 1 Hard Machining Data a p f z Designation l S F a p IC328 IC950 (mm) (mm/t) SPKR 1203EDR/L-76 12.70 3.18 1.80 9.50 • • 3.00-9.00 0.08-0.15 SPKR 1504EDTR-76 15.88 4.76 1.73 12.65 • • 3.00-9.00 0.08-0.15 • For cutting speed recommendations, see pages 462-498 441