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1PC 3-13mm HSS Titanium Coated Stepped Drill Power Tools Set Step Cone Cutting Tools Steel Woodworking Wood Metal Drilling
Introduction: 
1. Step drill,also known as multi-purpose drill with straight flute,
2. spiral groove,single slot. White diamonds,titanium drill,
3. colorful diamond,black diamond.Handle a round handle,
4. triangular handle,hex shank,SDS shank. It has the functions of deburring,
5. chamfering and elliptic hole enlargement. Don't need to use center punch,
6. it is more durable and not easily  broken compared with the ordinary twist drill.
Specification:
Material:  High Speed Stee
Surface: Titanium Plated
Type: Straight Flute
Handle: Hexagon Shank
Scop: thin iron plate,aluminum,insulation panels,PVC panels 4mm thickness within the timber.
Size: 3-13MM 3,4,5,6,7,8,9,10,11,12,13mm 11 steps
 
Features:
1. High speed steel material, more durable.
2. Titanium coated to reduce friction and run cooler
3. No need for a pilot hole,  can automatically deburr holes as you drill.
4. Special step stucture, can drill different size holes,
5. 1 step drill can be used as 1 box of drill bit.
6. Working with water cooling, can effectively extend the service life of bit, drilling speed 250--400 recommended.Widely used to cut holes in a variety of material like steel, wood, thin iron, aluminum alloy,
insulation boards, PVC sheet,ect.
Package included:
1 x 3-13MM Step Drill

 
32900774853 - urwall