PROFESSIONAL step drill bit HSS 7-37mm PRO.760032

Ø of single steps - 7-12.5-15.2-18.6-20.4-22.5-28.3-30.5-37

L - 100mm

Ø shank - 12mm

• For drilling larger holes in thin-walled material and for reaming existing holes
  
• Sharp drill bit tip: Instant drilling without pre-drilling, burr and chatter mark free work
• Step drill bit with two cutting edges
• Precision ground due to CBN grinding process
• Transition from one step to the next step 45°
• The next larger step can be used for slight countersinking or deburring
• Double sided drilling enables up to 7 mm drilling depth
• To be used in hand drills and box column drills
• Always use suitable lubricant
• For sheet steel, non-ferrous metals 0.1 - 5.0 mm, plastic up to 7.0 mm and plexiglass

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