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 STEELMASTER SPIRAL FLUTE STEP DRILL
 
 Steelmaster Countersink
  SPIRAL FLUTE The latest technology in Step Drills.
The twin spiral fluting maintains a constant cutting
angle throughout the course of the spiral groove
providing smooth high performance cutting.

• Solid High Speed Steel
• TiNi Coating

 
 PART # DESCRIPTION
SD4-20MM

ø4-20mm Step Drill, 8mm Shank,
Includes 4, 6, 8, 10, 12, 14, 16, 18, 20mm
SD5-25MM

ø5-25mm Step Drill, 10mm Shank,
Includes 5, 7, 9, 11, 13, 15, 17, 19, 21, 23, 25mm
SD6-30MM

ø6-30mm Step Drill, 12mm Shank,
Incl. 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 26, 28, 30mm
SD7-40.5MM

ø7-40.5mm Step Drill, 12mm Shank,Includes 7, 10.5, 12.5,
14.5, 16.5, 18.5, 20.5, 23.5, 25.5, 30.5, 32.5, 38.5, 40.5mm
   
   
LONG 5.5MM STEP LENGTH
 PART # DESCRIPTION
SDL4-12MM

ø4-12mm Step Drill, Long Step 5.5mm, 8mm Shank,
Includes 4, 5, 6, 7, 8, 9, 10, 11, 12mm
SDL6-38MM

ø6-38mm Step Drill, Long Step 5.5mm, 12mm Shank,
Includes 6, 9, 13, 16, 19, 21, 23, 26, 29, 32, 35, 38mm
   
   
EXTRA LONG 8MM STEP LENGTH
 PART # DESCRIPTION
SDXL4-12MM

ø4-12mm Step Drill, Long Step 5.5mm, 8mm Shank,
Includes 4, 6, 8, 10, 12mm
   
   
STEP DRILL SET
 PART # DESCRIPTION
SDSET-01

STEELMASTER STEP DRILL SET, 3 PIECE,
Includes 4-20mm, 5-25mm, 6-30mm
   
 
Steelmaster Spiral Step Drill Set