1. Thinner diamond segment and thinner tube wall can easily reduce the resistance and increase the drilling speed (compare with the assembly type)Roof segment Drill Bits.
2. Very fast drilling speed and low drilling pressure.
3. Different connection end for different drilling machine.
4. Especially effective in drilling through reinforced concrete.Specification:Our Feature:Factory == Own Exporting License == Quality Control == Competitive Price == Own Technology == OEMOur advantage:1. Manufacturer with more than 15 years experience2. A great quantity of formula special for all kinds of different stone3. Approved quality with factory competitive price4. Long lifespan, good sharpness, stable performance and high cutting efficiency5. Sandwich, groove type segment with shape straight, trapezia, boatshape, K, V, etc6. Custom-design can be meet upon request, small trial order available any time, sample for testing can be delivery in very short time.Payment term:T/T, Western Union, L/C, CashDelivery time:For samples, shipped within 3 days after receiving the deposit, For regular order, around 3-7 days, depends on the quantity of your order.Packaging:The inner packaging is carton box .The outer packaging is carton box Or woodencase.(If by air ,carton box will reduce the weight, if by sea, we suggest woodenbox for waterproof.Shipment:<45kg, express service is recommonded
>45kg, air or sea is a better choice 45kgs