A drill bit includes a shank, an intermediate portion with a helical flute, and a multi-stepped tip portion extending along the axis. The tip portion includes a cutting tip with a pair of primary cutting edges extending radially outward from the axis, a plurality of steps each having an ...
3PCS Titanium HSS Stepped Down Drill Step Drill Bit Set Hole Cutter, Find Details and Price about Step Drills Spiral Grooved Drills from 3PCS Titanium HSS Stepped Down Drill Step Drill Bit Set Hole Cutter - Jiangsu Goldmoon Industry Co., Ltd.
Concrete Hole Saw Hollow Core Drill Bit for Drilling Brick Stone Cement Wall SDS Plus Max Hex Shank $1.08 - $1.25 Min. order: 500 pieces Factory Manufacturer 5mm Flat or Cross Tip YG6X Tungsten Carbide tipped Drill bit set for Porcelain Glass $0.25 - $2.36 Min. order: 1000 pieces Gr...
Acting on a tip from an informant, investigators have been digging up a rural area 12 miles east of Monterrey, uncovering dozens of corpses, some burned beyond recognition, others with bullet wounds, said the governor of Nuevo Leon state, where Monterrey is located. "(Investigators) believe ...
A drill bit is disclosed having a cutting portion having a plurality of axially aligned, graduated cutting members. Each of the members has cutting edges defined by a single slot extending therethrough. A tip portion at one end of the cutting portion defines at least a pair of cutouts ...
It is a drilling bit is disclosed which has a cutting section, including a plurality of axially aligned, has a staggered cutting elements. Each of the elements has cutting edges, which by means of a single slot, which extends in this way are defined. A tip portion at one end of the ...
A drill bit 10 comprises a cutting portion 16 having a plurality of axially aligned, graduated cutting members 22. Each of the members has cutting edges 26a, 26b defined by an elongate slot 24 extending therethrough. A tip portion 20 at one end of the cutting portion defines at least a ...