• Precision ground twist drill bit manufactured to DIN 338
• Heat and wear resistance properties
• Right hand cutting helix, type N flute
• 5% cobalt alloyed High Speed Steel
• Unique tip improves efficiency and eliminates walking

DESCRIPTION

• Suitable for portable or stationary drilling of high alloy content steels and metals with a tensile strength up to 1100N/mm2
• Heat and acid proof steel; cast; iron; bronze; welded seams
• Stainless and chrome nickel steels.
• Has a precision of 135§ point angle – enables self-centering & eliminates walking
• The bit tip can be resharpened to restore profile and sharpness
• Has a Longer life & rapid drilling precision; ground twist and better debris
• Has diameter tolerance to h8 grade leading to accurate hole diameter
• Diameter: 18 mm
• Length: 191 mm
• Working Length: 130 mm

DESCRIPTION

• Suitable for portable or stationary drilling of high alloy content steels and metals with a tensile strength up to 1100N/mm²
• The 'no-walk' tip allows for easier penetration of all surfaces (5mm and above).
• Cleaner, more accurate, burr-free holes due to recessed cutting wings
• EXTREME Cobalt metal drill bits, deliver superior drilling into metal. Featuring a non-slip shank, a no-walk tip for curved surfaces and a strong central core.
• No slip shank; spin proof three sided shaft for optimal grip in drill chuck
• Unique tip improves efficiency and eliminates walking