2 3 8 39 39 API REG x 5 1 8 step bit 3 wings step drag bit

Large high speed steel drill bits 91/6" up to 1-1/2" in diameters. hss large drill bits + large drill bit sets. silver & deming high speed steel drill bits on a 1/2" shank. bits are 118 degree point with 3 flats on shank. 6" overall length. new boss hog reamers 5/16" to 1-1/4" available

We custom make dth bits that are suited to drilling for oil & gas, geo-thermal & waterwell, construction, horizontal directional drilling as well as mining. bit diameters range from 2” to 32”, in four different face shapes with an excellent selection of industry shanks.

We are good quality supplier of dth drill bit, dth hammer, dth drill rods from china. army green dth down the hole drilling tools 178mm high air pressure flat face concave face dth drill bit, water well drill bits down the hole cir110 110mm no foot valve water hammer drilling 4" dhd 340a for hole blast drilling machine

The cobalt screw-machine-length drill bits in these sets tolerate higher drilling speeds and are harder and more wear-resistant than high-speed steel screw-machine-length drill bits. they provide some shock absorption and can be used in handheld power tools. these sets include multiple drill bits in a variety of sizes.

2 3 8 39 39 API REG x 5 1 8 step bit 3 wings step drag bit exporter from China, we're probably the most experienced supplier from USA with ISO9001 Certification. Also the items have been certified by mutiple security certification.We will provide our 2 3 8 39 39 API REG x 5 1 8 step bit 3 wings step drag bit priducts in top-quality and most favourable value.


2 3 8 39 39 API REG x 5 1 8 step bit 3 wings step drag bit is the product that we have continued to emerge inside the China market and accomplished great reputation. Our items advertising and marketing network at all more than the China regions. Extra than 10 years, we've got developed into a high-volume, multi-function with the qualities, it could totally meet the demands of the 2 3 8 39 39 API REG x 5 1 8 step bit 3 wings step drag bit industry.

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