Item Details:
*3pcs Set 4-12/20/32mm Large HSS Steel Step Cone Drill Bit Hole Cutter
*Fits for cutting holes in a variety of materials such as steel, brass, wood, plastic etc.
*Unique step structure, can open a variety of hole sizes
*Used for deburring, chamfering, open hole expansion
*No need to use center punch, not easy to break
*Can work with pistol drill, bench drill etc.
* brand new and high quality
*Material: HSS steel
* treatment: plating
*Color: As Pictures Show
*Size:
4-32mm: 4,6,8,10,12,14,16,18,20,22,24,26,28,30,32mm
4-20mm: 4,6,8,10,12,14,16,18, 20mm
4-12mm: 4,6,8,10,12mm
*Handle size:
4-32mm: 10mm (Approx.)
4-20mm: 8mm (Approx.)
4-12mm: 6mm (Approx.)
Warm for Tips:
Use water to cool it while working, which can effectively extend the service life of the drill bit. The recommended drilling speed is 250-400rpm.
Package Contents:
3pcs Set Step Drill Bits
Notes:The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.
