Feilong retop rock bit manufacture company

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1. 8 1/2 PDC bit/drill bit/diamond drill bit

Features:

--Cutting structure:Matrix material of the bit adopts high quality steel and wear-resistance material with high performance is built-up welded on the surface of blades to prevent matrix body from eroding. By using high performance ...

2. 17 1/2 milled tooth/steel tooth drill bit/rock bit/roller bit/cone bit

Structure:

--Cutting structure:Optimized structure desgin of cutter shape is thickened hardfacing on surface and crest of cutters to enhance aggressiveness for cutters. Enhanced hard facing on leading edge and trailing edge of cutters improve ...

3. 8 1/2 tricone bit/rock bit/roller bit/drill bit

Structure:

--Cutting Structure:Offset crested scoop compacts of larger size were arraged in inner row, wedge compacts in heel row with high tooth exposure and uneven intervals inbetween.

-- Gage Protection:Multiple gage protectionwith ...

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