GBP 57 ​ Grooving inserts Finishing ​ Groove width w / corner radius R 27 3772 27 3774 27 3776 27 3778 27 3716 Tolerance groove 21L 21J 21J 21J 21J width w Grooving insert for finishing mm HB7010 HB7020 CU7025 HB7215 HB7310 mm 2/0,2 eShop eShop eShop eShop eShop 10 ±0.03 3/0,2 eShop eShop – eShop eShop 10 ±0.03 3/0,4 eShop eShop eShop eShop – 10 ±0.03 4/0,2 eShop eShop – eShop eShop 10 ±0.04 4/0,4 eShop eShop eShop eShop – 10 ±0.04 5/0,4 – eShop eShop – – 10 ±0.04 6/0,4 – eShop eShop – – 10 ±0.04 P P P K N M M – P – Chip breaker GMF GMF GMF GMF GMF ​ ​ ap mm 0.3 – 1.7 0.3 – 2.5 0.3 – 2.5 0.3 – 1.7 0.3 – 2.2 ​ ​ f mm/rev. 0.03 – 0.2 0.03 – 0.3 0.03 – 0.3 0.03 – 0.2 0.03 – 0.22 ​ ​ vc main application m/min 70 – 230 60 – 220 55 – 210 90 – 300 200 – 500 ​ ​ vc secondary application m/min 70 – 150 60 – 140 – 90 – 250 – ​ ​ Medium machining ​ 27 3743 – Single cutting edge. Groove width w / corner radius R 27 3782 27 3784 27 3786 27 3743 Tolerance groove width w 21L 21J 21J 21J Grooving insert, medium machining mm HB7010 HB7020 HB7215 PCD mm 2/0,2 eShop eShop eShop eShop ±0.03 3/0,2 eShop eShop eShop eShop ±0.03 27 3/0,4 3/0,8 eShop – eShop eShop eShop – – – ±0.03 ±0.03 4/0,2 – – – eShop ±0.04 4/0,4 eShop eShop eShop – ±0.04 4/0,8 – eShop – – ±0.04 5/0,2 – – – eShop ±0.04 5/0,4 – eShop – – ±0.04 5/0,8 – eShop – – ±0.04 6/0,4 – eShop – eShop ±0.04 6/0,8 – eShop – – ±0.04 P P K N M M P – 10 10 10 1 ​ Chip breaker GMM GMM GMM GMP ​ ap mm 0.3 – 1.7 0.3 – 2.5 0.3 – 1.7 0.05 – 2.5 ​ f mm/rev. 0.05 – 0.27 0.05 – 0.35 0.05 – 0.27 0.03 – 0.6 ​ vc main application m/min 70 – 230 60 – 220 90 – 300 200 – 650 ​ vc secondary application m/min 70 – 150 60 – 140 90 – 250 – ​ 884