Seco PTTNL2020K16 External Turning Toolholder

• 2020 machine-side shank connection — fits standard turret and tool-block fitments without special adaptors
• 20 mm x 20 mm shank with 125 mm functional length for the specified reach and rigidity
• Accepts T-shape Seco inserts using the W clamping system for secure, repeatable insert location
• Left-hand cut geometry at 60° tool cutting edge angle for the specified turning operation

Seco Turning Inserts (carbide and cermet grades in C, D, R, S, T, V, and W shapes with precision tolerance classes and chipbreaker geometries) deliver reliable, repeatable performance for CNC and conventional lathe turning of steel, stainless steel, cast iron, aluminium, titanium, and superalloy workpieces in production and job shop environments.

General Engineering and Job Shops

• CNC lathe insert supply for turning steel, stainless, and cast iron components
• Turning insert supply for job shop and contract machining operations on mixed materials
• Indexable carbide insert supply for production turning on CNC turning centres
• Seco insert replacement supply for maintaining consistent surface finish and tool life

Automotive and High-Volume Manufacturing

• P-grade and K-grade turning insert supply for automotive component turning of steel and cast iron
• High-volume automotive turning insert supply for crankshafts, shafts, flanges, and housings
• Cermet insert supply for finishing automotive steel and cast iron components at high speed

Aerospace and Defence

• S-grade turning insert supply for machining titanium, Inconel, and nickel-based superalloy aero components
• Carbide insert supply for roughing and finishing aero structural components in titanium and aluminium
• Precision turning insert supply for aerospace-grade surface finish and dimensional accuracy requirements

Oil, Gas, and Energy

• Turning insert supply for machining OCTG connectors, valve bodies, and downhole components in stainless and Inconel
• M-grade insert supply for stainless steel oil and gas component turning
• Turning insert supply for power generation turbine components in nickel alloys and titanium

• Shank Connection: 2020
• Shank Dimensions: 20 mm x 20 mm
• Functional Length (mm): 125
• Insert Shape Accepted: T
• Clamping System: W
• Hand: Left
• Cutting Edge Angle (deg): 60