TG Twist Drill Bit, HSS-Co8 M42, 135° Point, for Stainless Steel & Metal, 3.2/5.2 mm

Key Features

• M42 Cobalt HSS: Manufactured from M42 high-speed steel containing 8% cobalt for improved hardness, wear resistance and cutting-edge durability.
• 135° Drill Point: The precision-ground point with double-relief geometry supports accurate starting and efficient penetration.
• Fully Ground Construction: Ground cutting edges and flutes help reduce friction and support clean, consistent drilling.
• Efficient Chip Removal: Wide spiral flutes provide space for chip evacuation during metalworking operations.
• Straight Round Shank: Compatible with three-jaw drill chucks capable of accepting the selected 3.2 mm or 5.2 mm shank diameter.

Available Variants

Product Specifications

Applications

• Drilling compatible stainless-steel grades
• Machining carbon steel, alloy steel and tool steel
• Drilling cast-iron components
• Producing holes in aluminium and copper workpieces

Tool Compatibility

• Handheld electric drills with a compatible three-jaw chuck
• Bench drills and drill presses
• Machine tools and machining centres with a suitable drill chuck or collet
• The chuck or collet must match the selected 3.2 mm or 5.2 mm round shank

Operating Guidance

• Select the spindle speed and feed rate according to the drill diameter and workpiece material.
• Use a lower cutting speed when drilling stainless steel, high-strength steel or other difficult-to-machine materials.
• Apply suitable cutting fluid where appropriate to reduce heat and cutting-edge wear.
• Secure the workpiece and confirm that the drill bit is correctly centred and firmly clamped before operation.

Included Components

• 1 × M42 cobalt HSS twist drill bit in the selected diameter