G-D918S-A3N High-performance 3D External Coolant Twist Drill for Plain Steel Machining D11.90-15.20 Swiss Type Lathe 000120" or less / 3µm

000120" or less / 3µm or less 293-351-30 Metric

1" - 505-743J Inch 0-8" ±0

Hexagonal (1/4”) Adaptor – Square (1/4”) for Socket Inserts

05mm 1/128" 534-105 Metric

G-D918S-A3N High-performance 3D External Coolant Twist Drill for Plain Steel Machining D11.90-15.20 Swiss Type Lathe 000120" or less / 3µmG D918S High performance Plain Steel Machining Twist Drill Suitable for drilling under soft steel, interrupted cut, poor cooling and other difficult conditions. The brand new wavy edge design takes into account both the tip strength and cutting sharpness. The brand new G type slot design enhances the chip breaking performance an improves the tool rigidity. The brand new substrate coating has been upgraded, featuring stronger adaptability to working