Cone shaped core drill bit for hardened steel

Cone shaped core drill bit for hardened steel   Specifications

Product name	Drill Bit
Application	tunneling, mining, construction, stonework engineering and transportation facilities etc.
Assemblage	Small end : 18×7°                        Insertion depth : 30-33mm
Grinding	slide hammer type unloader
Applicable rocks	GL:Quartzite,basalt(F=15-18) GA:Granite, quartz porphyry, siliceous schist(F=12-15). GB:Dense granite, strong sandstone,limestone,quartz veins,sturdy conglomerate(F=10-12).

  Our Production Flathead rock drilling bit:     Phillips rock drilling bit:      Spherical tooth type rock drilling bit:       Why Choose Us   Our company has an excellent sale and production team.  1. Well trained is able to answer all your inquiries in English of course.  2. Our experienced shipping coordinators can help you solve delivery issues.  3. Our professional workers will produce the perfect products to meet your request.  4. Your business relationship with us will be confidential to any third party.   Delivering     FAQ   Q1: Are you a factory manufacturer or trading company? A1: We are manufacturer in Henan, our brand is Gengli.   Q2: What's the terms of payment? A2: T/T (Telegraphic Transfer) or L/C at sight.   Q3: What is the delivery time? A3: We'll arrange the shipment in 7-15 days according to the quantity.      And we have our own experienced QC. There will be strict inspection and testing for every order before shipping out.    Q4: What's the shipping way can we use? A4: If it's a sample order, we suggest expressing like DHL/UPS/TNT/FEDEX or by air;  if it's a bulk order, we suggest by air or by sea.   Our Company     Our Certificates     Contact Us