140 | 2012/2013 Power Tools & Accessories Catalog Metal Drilling 4
The Bosch line of metal drill bits offers a solution for every professional application. Each bit is manufactured to exacting specifications and features split points that start on contact with no walking or skating, eliminating the need for a center punch.
Black oxide for general-purpose drilling
f Speed helix design for three times faster drilling than standard bits f Lasts 50% longer than high-speed steel
f Available in jobber length, stubby length, extended length (aircraft), 1/2" reduced shank (Silver and Deming)
Titanium for heavy-duty repetitive drilling
f Lasts up to six times longer than high-speed steel bits f Speed helix design for three times faster drilling than standard bits f Surface hardened to penetrate tough materials, including stainless steel f Available in jobber length with 3/8" reduced shank
Cobalt for heavy-duty drilling in extremely hard or abrasive materials
f Withstand high temperature applications for extended periods of time (up to 1,100˚F)
f Thick web design adds stability to bit in tough applications f Surface hardened to penetrate tough abrasive materials f Available in jobber length, full shank
Material Chart Wood
Black Oxide Titanium Cobalt
MultiConstruction™* = Recommended = Acceptable = Not Recommended *MultiConstruction™ drill bits are available on page 10