TG Type A Centre Drill, 6542 HSS-E, 120° Point, for Stainless Steel, 2–6 mm

Type A centre drill manufactured from 6542 HSS-E cobalt high-speed steel with a 120° point angle and straight shank for precision centring, spotting and chamfering. Available in 2–6 mm pilot diameters for compatible lathes, machining centers and pillar drills.

Key Features

• 6542 HSS-E cobalt high-speed steel provides high hardness, wear resistance and heat resistance
• Double-ended Type A construction combines pilot drilling and chamfering geometry for efficient centre-hole preparation
• 120° double-relief point geometry supports accurate positioning and stable spotting
• Full-ground manufacturing process produces sharp and durable cutting edges
• Large chip flutes promote effective chip evacuation and help reduce chip accumulation

Product Specifications

Available Variants

Applications

• Centring and spotting before twist drilling
• Combined pilot drilling and chamfering of centre holes
• Stainless steel, ordinary steel, steel plate and 45# steel
• Mould steel and cast iron in compatible grades
• Copper, aluminium and other compatible non-ferrous metals

Tool Compatibility

• Compatible with suitable lathes, machining centres, CNC machines and pillar drills
• The 2 mm variant requires a chuck or toolholder capable of accepting a 5 mm body diameter
• The 3 mm variant requires a chuck or toolholder capable of accepting an 8 mm body diameter
• The 5 mm variant requires a chuck or toolholder capable of accepting a 12 mm body diameter
• The 6 mm variant requires a chuck or toolholder capable of accepting a 16 mm body diameter

Operating Guidance

• Select spindle speed according to pilot diameter, workpiece material and machine capability
• Use suitable cutting fluid or coolant when machining stainless steel and other demanding metals
• Use controlled feed and short pecking cycles when required to clear chips from the cutting flutes