Alpha cobalt stub drills – double ended rivet drill bits – for hard metal

$3.0595$5.0035

Alpha cobalt stub drills are designed for use with rivets and feature a cobalt coating, making them ideal for drilling into harder metals (10/pack).

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Description

Alpha cobalt stub drills are designed for use with rivets and feature a cobalt coating, making them ideal for drilling into harder metals (10/pack).

Features:

  • Double ended for twice the product life
  • Made from cobalt hardened steel for ultimate strength and durability with high speed drilling
  • Suits standard sized rivets
  • Use with materials such as stainless steel, hardened steel, cast iron and bronze

Alpha cobalt stub drills – quick reference

Code Size Qty
A-9D11CO #11 for 4.8mm (3/16″) rivets 10
A-9D20CO #20 for 4.0mm (5/32″) rivets 10
A-9D30CO #30 for 3.2mm (1/8″) rivets 10

Cobalt stub drills are often referred to as panel drills.

Additional information

Brand

Size

#11 for 4.8mm (3/16") rivets, #20 for 4.0mm (5/32") rivets, #30 for 3.2mm (1/8") rivets

Material

cobalt hardened steel

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