Tungaloy JTGR3140F J740 PVD Coated External Grooving Insert Positive Turning Insert Very low pressure and zero

Very low pressure and zero chatter

a PVD carbide grade like AH725 is generally better for preventing notch wear

Coolant: High-pressure coolant is ideal for deep grooving

this series is engineered specifically to counteract the severe radial deflection and chip packing issues typical of internal lathe profiling

0mm radius provides extreme corner strength

Tungaloy JTGR3140F J740 PVD Coated External Grooving Insert Positive Turning Insert Very low pressure and zeroTungaloy JTGR3140F J740 Grooving Insert High Precision 1. 4mm External Grooving PVD J740 Carbide Made in Japan What is the best 1. 4mm insert for precision grooving in difficult alloys? The Tungaloy JTGR3140F J740 is a premier indexable grooving tool specifically engineered for high accuracy external grooving. Utilizing the high performance J740 PVD coated carbide grade, this insert excels in machining tough materials like 304 316 stainless steel,