3pcs HSS Step Drill Bits Set - 4-12/20/32mm | Spiral Grooved Hole Cutter

Product Description

Description: 3pcs 4-12/20/32mm HSS Step Drill Bits Set Spiral Grooved Hole Cutter Specification:

Product Name	HSS Step Drill Bits Set
Material	High-speed steel
Color	Black
Type	Step drill
Size	4-12mm,4-20mm, 4-32mm
Quantity	3pcs/set ?? HSS Step Drill Bits Set

Size	Steps	Shank Diameter(mm) Approx.	Overall Length(mm) Approx.
4-12mm	5 Steps (4, 6, 8, 10, 12mm)	6	64
4-20mm	9 Steps (4, 6, 8, 10, 12, 14, 16, 18, 20mm)	8	75
4-32mm	15 Steps (4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30, 32mm)	10	101

Features: - High-speed steel, good chip removal ability and durable for use - Professional design, which makes drilling holes more precise with smoother cutting - These drill bits works great in making a smooth, clean and perfectly round hole - Ideal for using to cut holes in a variety of materials Including steel, brass, wood, plastic, etc Package Included:

1pc x	4-12mm HSS Drill Bit
1pc x	4- 20mm HSS Drill Bit
1pc x	4- 32mm HSS Drill Bit

Notice: 1. Please allow a bit error due to manual measurement. please make sure you do not mind before you bid. 2. The color may have different as the difference display, pls understand. More Details: