HSS Hex Shank Step Drill Bits
(Size: 6-35mm) - Free Shipping
Titanium coated Straight Step Drill Bit 6-35mm
Package & Shipping:
- Free shipping all over the world
- 1 pc Step Drill Bit
- To Korea, Japan : it takes about 7-10 days
- To USA, CA, Spain, France, Poland, Belgium, Portugal, United Kingdom, Germany, Italy and Netherlands: it takes about 12 - 20days
- To other European countries and Ukraine,Belarus,Russian Federation: it takes about 15-30 days
- To other countries: it takes about 20-35 days
- The ladder of its unique structure, a bit can open a variety of specifications of aperture.
- 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.
- 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.
- Material: HSS(High Speed Steel)
- Shank: Hex Shank
- Shank Dia: 6mm
- Shank Length: 30mm
- Overall Length: 110mm
- Size: 6-35mm(6-8-10-12-16-18-20-22-25-28-30-32-35mm) 13 Step