HI Back-turning of Double-hole Grooving & Turning of Duble-hole Designation L IC±0.02 T±0.02 I E±0.02 X 0 A a P a b c d R Fig. DHB 6R/L 05-000NB20 32.0 6.0 2.5 8.5 0.5 3.0 20° 2° 3° 0° 2.70 1.0 0.17 0.00 1 6R/L 05-008NB20 32.0 6.0 2.5 8.5 0.5 3.0 20° 2° 3° 0° 2.70 1.0 0.17 0.08 1 6R/L 08-000NB20 32.0 6.0 2.5 8.5 0.8 4.0 20° 2° 3° 0° 2.70 1.0 0.27 0.00 1 6R/L 10-000NB20 32.0 6.0 2.5 8.5 1.0 4.0 20° 2° 3° 0° 2.70 1.0 0.33 0.00 1 6R/L 12-000NB20 32.0 6.0 2.5 8.5 1.2 5.0 20° 2° 3° 0° 2.70 1.0 0.40 0.00 1 6R/L 15-000NB20 32.0 6.0 2.5 8.5 1.5 5.0 20° 2° 3° 0° 2.70 1.0 0.50 0.00 1 Insert Machining Insert Insert Groove Corner-R Chipbreaker Front rake Carbide grades 6R/L 05-000NB 20-1OF 32.0 6.0 2.5 8.5 0.5 3.0 20° 2° 3° 10° 2.70 1.0 0.17 0.00 1 name Type length hand width name angle 6R/L 05-008NB20-1OF 32.0 6.0 2.5 8.5 0.5 3.0 20° 2° 3° 10° 2.70 1.0 0.17 0.08 1 6R /L 08-000NB 20-1OF 32.0 6.0 2.5 8.5 0.8 4.0 20° 2° 3° 10° 2.70 1.0 0.27 0.00 1 6R/L 10-000NB20-1OF 32.0 6.0 2.5 8.5 1.0 4.0 20° 2° 3° 10° 2.70 1.0 0.33 0.00 1 Insert Name Machining Type Insert Size 6R/L 12-000NB20-1OF 32.0 6.0 2.5 8.5 1.2 5.0 20° 2° 3° 10 ° 2.70 1.0 0.40 0.00 1 6R/L 15-000NB 20-1OF 32.0 6.0 2.5 8.5 1.5 6.0 20° 2° 3° 10° 2.70 1.0 0.50 0.00 1 6R/L 05-008BC30-08F 32.0 6.0 2.5 8.5 0.5 6.0 30° 3° 20° 8° 3.50 0.2 2.4 0.08 2 6R/L 05-000BC35-15F 32.0 6.0 2.5 8.5 0.5 6.5 35° 2° 15° 3.00 0.2 2.5 0.00 2 6R/L 05-008BC35-15F 32.0 6.0 2.5 8.5 0.5 6.5 35° 2° 15 ° 3.00 0.2 2.5 0.08 2 6: insert length is 32.0mm 7R/L 10-000NB20 43.0 8.0 4.0 11.5 1.0 5.0 20° 3° 3° 0° 4.00 1.5 0.5 0.00 1 Double Hole Type of insert G: Grooving & Turning 7: insert length is 43.0mm 7R/L 10-008NB20 43.0 8.0 4.0 11.5 1.0 5.0 20° 3° 3° 0° 4.00 1.5 0.5 0.00 1 7R/L 15-000NB20 43.0 8.0 4.0 11.5 1.5 6.0 20° 3° 3° 0° 4.00 1.5 0.5 0.00 1 7R/L 20-000NB20 43.0 8.0 4.0 11.5 2.0 7.5 20° 3° 3° 0° 4.00 1.5 0.5 0.00 1 7R/L 25-000NB20 43.0 8.0 4.0 11.5 2.5 9.0 20° 3° 3° 0° 4.00 1.5 0.5 0.00 1 7R/L 10-000NB 20-1OF 43.0 8.0 4.0 11.5 1.0 5.0 20° 3° 3° 10 ° 4.00 1.5 0.5 0.00 1 7R/L 10-008NB20-1OF 43.0 8.0 4.0 11.5 1.0 5.0 20° 3° 3° 10 ° 4.00 1.5 0.5 0.08 1 Insert Hand Groove Width Corner-R 7R /L 10-020NB 20-1OF 43.0 8.0 4.0 11.5 1.0 5.0 20° 3° 3° 10° 4.00 1.5 0.5 0.20 1 7R/L 15-000NB20-1OF 43.0 8.0 4.0 11.5 1.5 6.0 20° 3° 3° 10° 4.00 1.5 0.5 0.00 1 7R/L 15-020NB 20-1OF 43.0 8.0 4.0 11.5 1.5 6.0 20° 3° 3° 10 ° 4.00 1.5 0.5 0.20 1 7R/L 18-000NB 20-1OF 43.0 8.0 4.0 11.5 1.8 9.0 20° 3° 10 ° 6.00 4.0 0.5 0.00 1 7R/L 18-020NB20-1OF 43.0 8.0 4.0 11.5 1.8 9.0 20° 3° 10 ° 6.00 4.0 0.5 0.20 1 201 7R/L 20-000NB 20-1OF 43.0 8.0 4.0 11.5 2.0 7.5 20° 3° 3° 10° 4.00 1.5 0.5 0.00 1 R: right handL: left hand 100: 1.0mm 150: 1.5mm 200: 2.0mm250: 2.5mm300: 3.0mm400: 4.0mm000: 0.00008: 0.08020: 0.2202 7R /L 20-020NB20-1OF 43.0 8.0 4.0 11.5 2.0 7.5 20° 3° 3° 10° 4.00 1.5 0.5 0.20 1 7R/L 25-000NB 20-1OF 43.0 8.0 4.0 11.5 2.5 9.0 20° 3° 3° 10° 4.00 1.5 0.5 0.00 1 7R/L 25-020NB 20-1OF 43.0 8.0 4.0 11.5 2.5 9.0 20° 3° 3° 10 ° 4.00 1.5 0.5 0.20 1 7R/L 05-008BC30-08F 43.0 8.0 4.0 11.5 0.5 9.0 30° 3° 20° 8° 5.30 0.2 3.5 0.08 2 r 7R/L 00-008BC30-08F 43.0 8.0 4.0 11.5 0.0 9.0 30° 3° 8° 5.50 0.2 3.5 0.08 2 Chipbreaker Name Front Rake Angle Carbide Grades 7R /L 00-020BC30-08F 43.0 8.0 4.0 11.5 0.0 9.0 30° 3° 8° 5.50 0.2 3.5 0.20 2 7R /L 06-000BC35-15F 43.0 8.0 4.0 11.5 0.6 9.0 35° 3° 15° 5.00 0.2 4.0 0.00 2 7R/L -06 008BC35-15F 43.0 8.0 4.0 11.5 0.6 9.0 35° 3° 15° 5.00 0.2 4.0 0.08 2 none: no front rake angle TTIP30 TTIM45 10F: 10° NB Type