Step drill bit is a drill bit that has the tip ground down to 13 different diameters.The transition between this ground diameter and the original diameter is either straight, to form a counter bore, or angled, to form a countersink.
| Size: | 4-39mm |
| Material: | HSS M2 |
| Processing: | Milling |
| Coating: | Bright polishing |
| Step: | 13 Steps |
| Precision: | H7 |
| Application: | Drilling Holes On Hard Metal |
BMR TOOL GROUP
35 years history. DANYANG BMR TOOLS CO.,LTD is generated from Danyang Fifth Tools factory,which was founded at 1986s,famous power tools accessories manufacturer.For our customers can have a more complete and comprehensive supply chain service, at 2020s,BMR TOOLS integrated 7 affiliated entities founded BMR TOOL GROUP to provide one stop service of cutting tools.
Powerful Production Capacity Rich Stock List
200+ advanced CNC production lines.While saving labors costs, improve products precision and quality.Meanwhile to make sure every customer can receive their orders A.S.A.P
Products Range
More than 1000 various of different products to provide one stop service.Mainly covering Solid Carbide End Mill,Twist Drills, Step Drills, Hole Saw,SDS Drills,Annular Cutter, Countersink,Tool Bits,Diamond Blades,TCT blades,Abrasive Disc. and some other cutting tools accessories.
Company Ideal
Excellent quality is enterprise's life.The prestige is foundation of the enterprise survival.Since business started，BMR TOOLS have 0 complaints.
Powerful production capacity and experienced sales and after sales team,is the best back up for each BMR member focus on providing professional advice and perfect service for each partner.