Step Drill Bits Titanium Hex Straight Flute Centre Hole Cutter 3 pcs Set
TITANIUM | HIGH SPEED STEEL: classic high speed steel with titanium coating for proven capability
SPLIT POINT TIP | increases cutting speed with self-centering and prevents walking
Spiral Flute DESIGN | clears chips faster and allows particles to escape easily
Hex SHANK | fits into power tools chuck securely and eliminates slip
RUIMI♚3pcs HSS Step Drill Bit 4-12/4-20/4-32
1. This is the New HSS Steel Large Step Cone Drill Titanium Bit Set Hole Cutter, which is made from high quality HSS steel, and with the Titanium coated to reduce friction and heat.
2. It is very suitable for using to cut holes in a variety of materials including steel, brass, wood, plastic, etc
3. 1/4 Hex Shank
✔ 1, The ladder of its unique structure, a bit can open a variety of specifications of aperture.
✔ 2, Do not need to use center punch, compared with the ordinary twist drill is not easy to be broken.
✔ 3, Deburring, chamfering, elliptic hole enlargement, twist drill, the function of them was unable,
but it is possible.
✔ 4, The use of tools: drill, bench drill.Work while water cooling, can effectively extend the service life
of drill bit, recommend drilling rate of 250-250 RPM.
It can be widely used, it can drill thin iron plate, aluminum, insulation board, PVC board that the thickness is within 5mm. With a drill, you can drill different holes of sizes.
Before starting drilling and screwing, the automatic center punch can be used to mark hole locations. It delivers an automatic, high-impact, spring-loaded strike when pressed against wood, metal, and plastic surfaces.
1.During the working time, please always wear protective goggles, mask and gloves.
2.As the drill will produce heat when using, there will be the danger of burning. So don't touch it with your hand.
3.When you use the product drill metal plate, please pay attention that the product need to be cooled by water injection. The step drill is easy to become soft because of high temperature. If you don't cool the drill, it will be scrapped quickly.
4.Our drills are HSS High-speed steel 4241, you'd better not use it to drill the material that is same as our product or drill the material that the hardness is higher than our product.