Metal Drilling
Step Drill Bits
Titanium | High Speed |
Coated | Steel |
Self Starting Point 
Starts on contact.
Balanced Double Flute 
Eliminates chatter
and vibration.
Trailing Flute 
Automatically deburrs holes.
Resharpenable
Cutting Edge
Longer tool life.
Super Hard Titanium Coating Lasts up to 6X longer than High Speed Steel.
Step Drill Sets
Item #
SDT30
SDH30
Description
3 pc. titanium step drill set includes SDT1, SDT3 and SDT6
3 pc. high speed steel step drill set includes SDH1, SDH3 and SDH6
BOSCH Countersinks
The Bosch line of countersinks are great for deburring and chamfering openings to
Materials:
The Bosch line of countersinks cut great in these materials: iron, steel, soft metal, plastic and wood.
Applications:
The Bosch line of countersinks work great for these jobs: deburring holes and countersinking holes for flush or countersunk screw heads.
Titanium Coated Countersinks |
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| High Speed Steel Countersinks |
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| Chamfer | Shank | Number |
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| Chamfer | Shank | Number |
Item # | Diameter | Angle | Diameter | of Flutes | Item # | Diameter | Angle | Diameter | of Flutes |
CST1 | 1/2" | 82° | 1/4" | 5 | CSH1 | 1/2" | 82° | 1/4" | 5 |
CST2 | 5/8" | 82° | 1/4" | 5 | CSH2 | 5/8" | 82° | 1/4" | 5 |
CST3 | 3/4" | 82° | 1/4" | 5 | CSH3 | 3/4" | 82° | 1/4" | 5 |
NOTE: Drill bits (or extension + drill bit) in excess of 8" should never exceed 600 RPM.
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