6pcs Step Set with Punch High Speed Steel s Set Stepped Drilling Tool
 |
Feature: 1. Can be used for deburring, chamfering, opening and reaming functions that can not be completed by twists drill. 2. Straight grooves structure and triangular shank can open a variety of sizes. 3. Open a beautiful aperture, clear scale, small vibration than ordinary twists drill. 4. Suitable for the workpiece with hardness below 25 celsius , such as iron plate, aluminum plate, PV plate, insulation board. 5. Including 5pcs drill bit of the package, meeting your different needs. Specification: Condition: 100percent Brand New Item Type: Step Drill Bit Material: High speed steel 4241 Model: No Tips: when choosing 4241 to make steel plates, pay attention to water injection and cooling. If the bit is easy to anneal due to high temperat
The product description is generated based on data from online stores. Before purchasing be sure to verify all information directly with the seller.
Screwdrivers and drills for dummiesQuestions about drills and screwdrivers that beginners are embarrassed to ask more experienced craftsmen
Sparks, smoke, crunch and burning smell: what can break in a drill or screwdriverWe understand why drills and screwdrivers smoke, spew sparks, overheat, make strange sounds and work poorly
You may be interested in