
SumiTurn T-REX Tool Holders Insert ( Coated / Cermet ) Dimensions (mm) AC8025P AC630M AC810P AC820P AC830P T3000Z Nose Radius Applications Appearance Cat. No. Fig RE External Holders ● ● ▲ 1 Fine Cutting TRM 551704-FL 0.4 TRM 551708-FL 0.8 ● ● ▲ 1 FL Fig 1 RE C TRM 551704-LU 0.4 ● ● ● ● ▲ 1 TRM 551708-LU 0.8 ● ● ● ● ▲ 1 Finishing LU TRM 551712-LU 1.2 ● ● ● ● ▲ 1 Neg. TRM 551704-SU 0.4 ● ● ● ● ▲ 1 TRM 551708-SU 0.8 ● ● ● ● ▲ 1 SU TRM 551712-SU 1.2 ● ● ● ● ▲ 1 ● ● ● ● ● Medium Cutting TRM 551704-GU 0.4 1 Pos. TRM 551708-GU 0.8 ● ● ● ● ● 1 GU TRM 551712-GU 1.2 ● ● ● ● ● 1 ■ Chipbreaker Application Range C ● Main Chipbreakers ● Finishing Sub-Chipbreakers Depth of Cut Limit Sharp Main 2.5 Finishing er Edg Chipbreaker e Depth of Cut aP (mm) D 2.0 GU Type SU Type LU Type Medium Cutting GU Type Chip control emphasised Fine Cutting 1.0 R LU Type Finishing FL Type 0 0 0.2 0.4 0.6 S Cutting Edge Sharpness Cutting Edge Strength Feed Rate f (mm/rev) LU Type ■ Application Range by Grade (Numbers in Table are Recommended Cutting Speed vc (m/min)) T Insert Grade AC810P AC8025P AC820P AC830P AC630M T3000Z Grade Classification Coated Carbide Coated Carbide Coated Carbide Coated Carbide Coated Carbide Coated Cermet P Low Carbon Steel 200 400 150 350 150 350 120 300 120 300 100 400 V Work Material P General Steel / Alloy Steel 150 300 100 250 100 250 80 200 80 230 100 250 M Stainless Steel 50 150 100160 W Finishing G G Special Applications Medium Cutting G G G Interrupted Cutting G G : Ideal, : Suitable C14 ▲ mark: To be replaced by a new product, made to order or discontinued (please confirm stock availability)