SumiGrip WCFH Type ■ Inserts for WCFH (commonly used for SumiGrip/SumiGrip Jr.) Neutral (N) Right handed (R) Left handed (L) 2-R0.2* 8° 2-R0.2* 2° CW 2° 2° CW 2° 2° CW 2° 8° 2-R0.2* Dimensions (mm) *WCF□ 2T : 2-R0.15 Coated carbide Cermet Carbide Width of cut External appearance Cat. No. Applicable holders AC830P AC225 AC1030U T1500A A30 G10E CW WCF N○-GG WCF N2-GG D Q Q Q Q 2.0 WCFH ○○-2 General purpose WCF N3-GG D Q Q Q Q 3.0 WCFH ○○-3 WCF N4-GG D Q Q Q Q 4.0 WCFH ○○-4 WCF N5-GG D Q Q Q Q 5.0 WCFH ○○-5 WCF N○-GF WCF N2-GF Q D Q Q Q 2.0 WCFH ○○-2 Exotic alloy WCF N3-GF Q D Q Q Q 3.0 WCFH ○○-3 For low feed WCF N4-GF Q D Q Q Q 4.0 WCFH ○○-4 WCF N5-GF Q D Q Q Q 5.0 WCFH ○○-5 WCF □○-CF WCF R3-CF Q D Q Q Q 3.0 WCFH ○○-3 Exotic alloy WCF L3-CF Q D Q Q Q 3.0 For low feed WCF R4-CF Q D Q Q Q 4.0 (Left handed or WCFH ○○-4 right handed) WCF L4-CF Q D Q Q Q 4.0 WCF □2T WCF N2T D Q Q Q Q Q 2.0 For small diameter WCF R2T D Q Q Q Q Q 2.0 WCFH ○○-2 Low cutting force type WCF L2T D Q Q Q Q Q 2.0 WCF □○ WCF N3 D Q Q Q Q Q 3.0 Without WCF R3 D Q Q Q Q Q 3.0 WCFH ○○-3 D Q Q Q Q Q chipbreaker WCF L3 For general steel WCF N4 WCF R4 D D Q Q Q Q Q Q Q Q Q Q 3.0 4.0 4.0 WCFH ○○-4 F Cut-Off WCF L4 D Q Q Q Q Q 4.0 Tools WCF N5 D Q Q Q Q Q 5.0 WCF R5 D Q Q Q Q Q 5.0 WCFH ○○-5 WCF L5 D Q Q Q Q Q 5.0 WCF □○A WCF N2A D Q Q 2.0 WCFH ○○-2 Grooving Exotic alloy WCF N3A D Q D D D 3.0 For low feed D Q D WCFH ○○-3 Cut-Off WCF R3A 3.0 WCF L3A D Q Q 3.0 Threading WCF N4A D Q D 4.0 WCF R4A D Q Q 4.0 WCFH ○○-4 WCF L4A D Q Q 4.0 WCF N5A D Q Q 5.0 WCF R5A Q Q Q 5.0 WCFH ○○-5 WCF L5A Q Q Q 5.0 WCF □○B WCF N3B Q Q Q Q D 3.0 Cast iron WCF R3B Q Q Q Q D 3.0 WCFH ○○-3 Q Q Q Q D For light alloys WCF L3B 3.0 WCF N4B Q Q Q Q D 4.0 WCF R4B Q Q Q Q D 4.0 WCFH ○○-4 WCF L4B Q Q Q Q 4.0 Note: With the same chipbreaker shape as WCF N5B Q Q Q Q D 5.0 for general steel (WCF □◯ ), you WCF R5B Q Q Q Q 5.0 WCFH ○○-5 Q Q Q Q D will dispose of fewer cutting edges. WCF L5B 5.0 ■ Recommended Cutting Conditions Cutting speed vc (m/min) Work material Coated carbide Cermet Carbide AC830P AC225 AC1030U T1500A A30 G10E General steel 80 to 200 80 to 200 50 to 200 80 to 200 50 to 120 Q P Steel Soft steel 100 to 230 100 to 230 50 to 230 100 to 230 70 to 150 Q Die steel 60 to 150 60 to 150 50 to 150 60 to 150 50 to 120 Q M Stainless steel 70 to 150 60 to 150 50 to 150 Q 70 to 130 Q K Cast iron Q Q 50 to 200 Q Q 50 to 120 N Non-ferrous metal Q Q 200 to 500 Q Q 200 to 500 Feed rate f (mm/rev) Neutral Left handed or right handed Breaker GG GF Without chipbreaker T A B Without chipbreaker CF T A B Exotic alloy/Low Small diameter/low For exotic alloy/ For cast iron/light Exotic alloy/low Small diameter/low For exotic alloy/ For cast iron/light General purpose cutting force type For general steel cutting force type low feed alloys For general steel cutting force type cutting force type low feed alloys Groove 2.0 0.05 to 0.20 0.03 to 0.12 Q 0.03 to 0.10 0.03 to 0.12 Q Q Q 0.03 to 0.10 Q Q width 3.0 0.08 to 0.25 0.04 to 0.15 0.08 to 0.25 Q 0.04 to 0.15 0.05 to 0.15 0.08 to 0.25 0.05 to 0.12 Q 0.04 to 0.15 0.05 to 0.15 w 4.0 0.10 to 0.30 0.05 to 0.18 0.10 to 0.30 Q 0.05 to 0.18 0.05 to 0.18 0.10 to 0.30 0.05 to 0.12 Q 0.05 to 0.18 0.05 to 0.18 (mm) 5.0 0.10 to 0.35 0.05 to 0.20 0.10 to 0.30 Q 0.05 to 0.20 0.06 to 0.20 0.10 to 0.30 Q Q Q 0.06 to 0.20 D mark: Standard stock (expanded product) F51