1. This is Hss Hss Step Drill, which is made of HSS steel, and coated with the blue to reduce friction and heat.
2. It is very suitable for using holes in a variety of materials such as thin steel(Thickness under 0.4mm), brass, wood, plastic, etc
3. Usually used to mark the center of a point, the small dimple guides the tip of the drill and avoids slip or deviation that result in damage.
4. The ladder of its structure, a little can be a variety of specifications of aperture
وصف
Combination Drill & Taps
Step Drill Bit Spiral Groove Inch Step Cone Drill Blue Coated Wood Metal Hole 1Set
See the second picture for details
Specification:
Type: Step Drill Bit
Material: HSS High Speed Steel
Coating: Blue Coated
Shank:Triangle
Size: 3/16-1/2,1/8-1/2,1/4-3/4,3/16-7/8.1/4-1-3/8
Note:
Due to the difference between different monitors, the picture may not reflect the actual color of the item.
Package Including:
5pcs Step Drill Bit Set
1