Titanium HSS 9-Step Cone Drill 4-12MM Hex Shank 1/4 Hole Cutter Drilling Tool
- Shank: 1/4 Hex Shank
- Comes in 4-12MM ( 4,5,6,7,8,9,10,11,12MM )sizes
- Material: HSS
- The ladder of its unique structure, a bit can open a variety of specifications of aperture.
- No need to use center punch, compared with the ordinary twist drill is not easy to be broken.
- Deburring, chamfering, elliptic hole enlargement, twist drill, the function of them was unable, but it is possible.
- The usage of tools: drill, bench drill. Work while water cooling can effectively extend the service life of drill bit
- Do not need to use center punch, compared with the ordinary twist drill is not easy to be broken.
- Deburring, chamfering, elliptic hole enlargement, twist drill, the function of them was unable, but it is possible.
- Size: Approx. 72mm
- Weight: 21g
10 Pieces Diamond Burr Bits Drill Kit for Engraving Carving Rotary Tool Set
- High-quality diamond-coated bur set with 3.1mm shanks
- Suitable for the hanging mill, electric mill, engraving machines, electric machinery
- Can Carve wood, plastic and other soft materials
- Can be used to various applications including carving, grinding and etching on a variety materials
- Perfect For All Sorts Off Jobs Like Model Making,
- Compatible With Other Multi-Tool Machines
- Supporting assembly mainly used to polish glass, jade, repair abrasive and other hard objects electroplated diamond grinding
- 10 pieces assortment of various shapes and sizes bits
- Come in different sizes and coarseness to satisfy any technology fit most professional electric drills,
- Best for replacing nail drill bits can be used to various applications
- High efficiency, high-quality finish, long service life, good economic returns.
- Easy to use, safe and reliable, can reduce labor intensity.
- length: approx. 6cm
- Materials: HSS
HSS Steel Step Cone Drill Titanium Bit Set Hole Cutter Triangular Shank
- Material: high-speed steel
- Super-hard titanium coating lasts up to six times longer than high-speed steel
- Self-starting point starts on contact
- Titanium reduces heat for longer life
- Anti-skid tip eliminates the need for center punching or pilot hole drilling.
- Applicable scope: woodworking punch
- specification: 3/16 1/2 Size: 3/16 1/2 (3/11/5/13/7/11/2) 1/8 1/2 Size: (1/5/37/31/9/35/111/33/13/37/115/31/2mm) 1/4 3/4 Size: (1/5/13/7/11/9/15/11/13/4)