3 PCS 4-32mm Spiral Step Drills Nitride Cone Drill Bit Metal Hole Tool

Features :
- High-quality materials and long service life .
- Convenient widely used: Suitable for use in the work of various materials, steel plates, aluminium, copper, stainless steel, plastic boxes and chassis .

Description :
Size：
# 1 : About 10.1 * 1cm / 3.9 * 0.3"
# 2 : About 7.5 * 0.8cm / 2.9 * 0.3"
# 3 : About 6.4 * 0.6cm / 2.5 * 0.2"
Used For : Isteel / Brass / wood / plastic , etc .

Package Includes :
3 * Step Drill Bit



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